v3.0

🎁What's new

3.0.0

Resource Upgrade

Snowray 3.0.0 comes with an important new feature that allows users to upgrade their Code System-based resources to the new domain version when available. The upgrade feature ensures a smooth flow with enhanced user experience.

Reference Sets and Reference Set Collections

The new version introduces two new resource types: Reference Sets and Reference Set Collections.

FHIR R5 Support

With the upgrade of the underlying Snow Owl Terminology Server to the latest 9.0 release, FHIR R5 support is now available in Snowray.

Bugs/Improvements

  • Redesigned the resource creation flow to accommodate the new resource types

  • Introduced numerous new UI elements and minor changes to enhance user experience

  • Added improvements to the Regenarete token wizard to promote ease of use around the API key flows

  • Fixed an issue where no Value Sets were offered in the merge Value Sets wizard

  • Fixed an issue where pressing the Display language preferences button had no effect

  • Fixed an issue where switching on the Show concept Code in the tree only changed the switcher after refreshing the page

  • Fixed an issue where the Show concept Code in the tree feature did not work properly

  • Fixed an issue where switching on the Show concept Code in the tree option on the Settings tab resulted in displaying duplicate codes in the Code System tree's on-hover tooltip

  • Fixed an issue where Contact and Language information added on the Overview tab of a resource were not displayed in the Quick Details section

  • Fixed an issue where inactivated Code System concepts were not greyed out in the tree

  • Fixed a UI issue related to the Concept Map creation wizard

  • Fixed an issue where deleting a resource resulted in an error in the console

  • Fixed an issue where resources belonging to an organization could not be opened in certain scenarios

  • Fixed an issue where editing Code System concepts failed in certain cases

  • Fixed an issue where editing the details on a resource Overview tab could not be saved

  • Fixed an issue where saved changes on a resource Overview tab did not persist

  • Fixed an issue where changing the visibility of resources failed

  • Fixed an issue where refreshing the Dashboard caused the Recent Activity section to flicker

  • Fixed an issue where pressing the New Resource button caused the Resources page list items to flicker

  • Fixed an issue where the resource cards on the Dashboard page were not aligned properly

  • Fixed an issue where creating an API key with a description longer than 255 characters was possible

  • Fixed an issue where the Issues tab did not display the number of issues correctly

  • Fixed an issue where Code System versions were not displayed properly in the URL

  • Fixed an issue where switching to another version of SNOMED CT Code Systems did not the concept details correctly

  • Fixed an issue where the Smart Search displayed incorrect icons for certain resource types

  • Fixed an issue where links on the Overview tab of SNOMED CT concepts were displayed incorrectly, without color highlight

  • Fixed an issue where the Quick Details section's domain information was empty in certain cases

  • Fixed an issue where Value Set clause editing enables link rendering for unknown concepts as well

  • Fixed an issue where automapping Concept Map sources pulled targets from the whole domain despite having an ECL-constrained target domain

  • Fixed an issue where the Concept Map target suggestions were out of the ECL-constrained target domain scope

  • Fixed an issue where incorrect details were displayed in the notification stream messages

  • Fixed an issue where the member count of Value Set clauses was rendered incorrectly

  • Fixed several issues in the Value Set compare wizard

  • Fixed an issue where the Value Set compare header displayed incorrect versions in certain cases

  • Fixed an issue where the ECL tag was not displayed in the Quick Details section in case of ECL-constrained domains

  • Fixed an issue where adding a new property in the Code System Schema only listed the newly added property after refreshing the page

  • Fixed an issue where switching to the Focus View of a Concept Map resulted in an error

  • Fixed an issue where the Pin clause option did not display the whole Value Set clause in bold

  • Fixed an issue where enabling Syndication for a Value Set resulted in an error

  • Fixed an issue where the Members tab of a Value Set did not get updated with newly added clauses immediately

  • Fixed an issue where newly added property definitions of a Code System Schema were displayed even after switching to a versioned state

  • Fixed an issue where switching versions on a Value Set's Overview tab did not display the historical state but rather the most up-to-date version

  • Fixed an issue where the options offered in the Export button's dropdown and the Releases tab's Download dropdown were not identical

  • Fixed an issue where using any of the search fields sent a search request at every keystroke as opposed to sending the request only when pressing enter

  • Fixed an issue where pressing Transfer ownership on a resource's Settings tab threw an error

  • Fixed an issue where using TAB within the Smart Search resulted in an error

  • Fixed an issue where hovering over links on the SNOMED CT concept Overview tab displayed incomplete data

  • Fixed an issue where clicking on a link on the SNOMED CT concept Overview tab resulted in a navigational error

  • Fixed a layout issue on the mobile version of the landing page

  • Fixed an issue where the Unmapped counter in the Concept Map Content tab displayed incorrect data in certain cases

  • Fixed an issue where adding clauses to an ICD-10 based Value Set always resulted in inactive references

  • Fixed an issue where unwanted space resulted in incorrect Value Set clause list ordering

  • Fixed an issue where the accept and cancel buttons became unresponsive when editing Code System properties

2.12.0

Multilingual terminology content display

Snowray 2.12.0 comes with a new feature that supports switching between different languages available for a given terminology, enabling browse-time content display in other translations with that.

Bugs/Improvements

  • Enhanced the Value Set optimization by supporting new algorithms

  • Improved the Value Set creation flow by disabling implicit Refset creation when creating Value Sets with SNOMED CT domain

  • Replaced the Concept Map mapping context menu with a single Open in new tab icon

  • Replaced the concept context menu in terminology trees with a single Open in new tab icon

  • Fixed an issue where the Replace inactive concept references wizard displayed incorrect show original and show current states in case the replacement was auto-selected

  • Fixed an issue where Code System properties were displayed as concepts in case of constructing an ECL query for the clause list

  • Fixed an issue where the results of Optimize were only visible after refreshing the page

  • Fixed an issue where an incorrect URL was displayed after navigating to the Organization settings page

  • Fixed an issue where navigating to the Resource not found page rendered incorrect UI elements

  • Fixed an issue where generating an API key with no custom resources resulted in an incorrect API key

  • Fixed an issue where scrolling on the landing page did not work properly on mobile devices

  • Fixed an issue where the Resolve with comment and Add Comment buttons on the issue overview page were misplaced

  • Fixed an issue where the More... expansion in the resource Overview tab's Copyright section was rendered incorrectly

  • Fixed an issue where versioning Value Sets did not work properly in certain scenarios

  • Fixed an issue where suggested concepts were multiplied in the Replace inactive concept references wizard

  • Fixed an issue where switching versions in case of large Value Sets completed slowly

  • Fixed an issue where selecting concepts in the Value Set member list rendered slowly

  • Fixed an issue where the Concept Map target domain was displayed incorrectly in edit mode in certain cases

  • Fixed an issue where versioning a Value Set in draft status failed to transition the resource to active status

  • Fixed an issue where activating the Smart Search was rendered incorrectly while editing a Value Set clause in advanced mode

  • Fixed an issue where opening an imported FHIR Value Set resulted in an error

  • Fixed several minor UI issues and inconsistencies

2.11.0

API key management

Snowray 2.11.0 comes with a new feature that enables generating and maintaining API keys to access terminology content via FHIR and REST APIs.

Smart Search

The new version introduces the Smart Search feature: a redesigned and highly improved version of the formerly known quick access bar. Not only does the Smart Search enable searching for resources, but also within the contents of a resource. Last but not least, smooth navigation is also supported with a set of keyboard shortcuts.

Free trial option

A 14-day free trial is now available for Free and Pro users to experience the benefits of the Organization plan and try out the associated features.

Bugs/Improvements

  • Fixed an issue where an invalid link and email address could be specified on the Organization Profile page

  • Fixed an issue where the Exclusions tab displayed information from the Inclusions tab

  • Fixed an issue where the layout of the Dashboard page was rendered incorrectly

  • Fixed an issue where deleting a newly created resource owned by an organization prevented the creation of another resource

  • Fixed an issue where creating an organization resulted in an error

  • Fixed an issue where viewing the License Agreement rendered the UI components incorrectly

  • Fixed an issue where selecting the source domain in the Concept Map creation wizard resulted in an error

  • Fixed an issue where using an ECL query in the Concept Map creation wizard did not apply the constrain to the source domain

  • Fixed an issue where the FHIR export of resources did not contain the organization data in the produced files

  • Fixed an issue where starting a FHIR import from the Organization Resource Page placed the imported resource in the user's personal workspace

  • Fixed an issue where namespace concepts were also suggested as potential replacements in the Replace inactive concept references wizard

  • Fixed an issue where copy-pasting an enumerated list of codes to the Value Set definition list resulted in invalid clauses in certain scenarios

  • Fixed an issue where editing mode was not available right after resource creation in certain cases

  • Fixed several minor UI issues and inconsistencies

2.10.2

Bugs/Improvements

  • Improved several error message texts to ensure a better understanding of the error itself

  • Fixed an issue where importing resources in FHIR format failed with an error

  • Fixed an issue where checkboxes were rendered incorrectly in certain Concept Map scenarios

  • Fixed an issue where the Value Set content was not in sync with the displayed version after navigating to the Content tab from the Resources page

  • Fixed an issue where with History export type was not disabled for non-SNOMED CT Value Sets

  • Fixed an issue where applying Both as Status in the Code System Advanced Filter resulted in an error

  • Fixed an issue where all the clauses in a LOINC-based Value Set were decorated with an inactive reference tag

  • Fixed an issue where naming for Code System codes was used inconsistently

2.10.1

Bugs/Improvements

  • Improved the structure of the displayed URL when navigating through the different setting options

  • Fixed an issue where adding inactive concepts to a Value Set via drag and drop was not possible

  • Fixed an issue where navigating to resources from the Recent Activity section did not work correctly

  • Fixed an issue related to upgrading subscriptions

2.10.0

Member count display on clauses

Snowray 2.10.0 comes with an enhanced definition list view, where the matching descendant count for each inclusion and exclusion clause is displayed in the clause row.

New SNOMED CT search result sorting option

SNOMED CT search results can now be sorted based on semantic tags, forming a sort of grouping with that.

Enhanced ECL syntax error reporting

An enhanced ECL syntax error reporting is now available so that users can have a better understanding of an incorrectly constructed query.

Redesigned Settings page

The new version introduces a redesigned Settings interface, which is moved to the User Profile's settings page.

Bugs/Improvements

  • Added new Optimize and save option to allow optimization for large Value Sets which could not be completed in less than 1 minute using the regular optimization

  • Improved evaluation performance of large extensional Value Sets and their ECL expressions

  • Added support for searching for both active and inactive custom Code System concepts

  • Fixed an issue where modifying user roles could not be completed

  • Fixed an issue where Open in new tab action did not work in some cases

  • Fixed an issue where optimizing Value Set content did not display all returned suggestions

  • Fixed an issue where TSV export with history failed with an error

  • Fixed an issue where certain Bulk select options were available to unauthorized users as well

  • Fixed an issue where Value Set clause selection state was not captured properly

  • Fixed an issue where inactive concepts were not greyed out in the Value Set member list

  • Fixed an issue where the Active member of advanced search filter did not work in case of unversioned Value Sets

  • Fixed an issue where the Code System Excel export failed with an error

  • Fixed an issue where concepts could not be added to Value Sets via drag and drop

2.9.0

Graphical ECL builder

Snowray 2.9.0 comes with a clean and visually more pleasing design for Value Set queries. Not only does it replace the way clauses are displayed, but it also makes constructing queries much easier.

Inactive content handling

Inactive Value Set content is now identified both in the member list and the clause list. In addition, replacement suggestions are also generated for the clauses with inactive references.

Code System CSV/XLS import support

Generating Code Systems through import using CSV and XLS file formats is now supported.

Export content with history

Value Set content can now be exported including both the active members and the inactive historical associations of the active members.

Content syndication

Distribution of released terminology resources (Code Systems, Value Sets, Concept Maps) to downstream terminology servers is now available to Enterprise customers. This simplifies manual content replication and keeping resources up-to-date by introducing a reliable automated method.

Bugs/Improvements

  • Improved Value Set clause authoring by enabling importing and adding pinned clauses marked with an@ sign.

  • Ensured that permission is requested again when users would like to use the clipboard function but no permission is granted to the site

  • Harmonized import wizard headers

  • Fixed an issue where reordering Code System properties on the Schema tab had a visual defect

  • Fixed an issue where bulk actions did not work in case of large Value Sets with all clauses selected

  • Fixed an issue where selecting all clauses of a Value Set only selected the visible clauses

  • Fixed an issue where the last item in the version drop-down was not properly visible

  • Fixed an issue where the owner's username did not get updated after resource transfer

  • Fixed an issue where the Value Set compare wizard displayed incorrect default values

  • Fixed an issue where switching between inactive concepts in the SNOMED CT tree resulted in properties carried over to other concepts

  • Fixed an issue where SNOMED CT concepts coming from a Value Set could not be opened when used in a Concept Map

  • Fixed multiple padding issues over the UI

  • Fixed multiple issues related to Advanced search filters not updating correctly

  • Fixed an issue where editing Concept Map content in Focus View was not possible as row selection was not registered

  • Fixed an issue where the bulk selection state was not cleared when switching between Edit and Browse mode

  • Fixed an issue where selected Value Set clauses could not be unselected

  • Fixed an issue where the icon for Value Set clause deletion did not disappear after hovering away

2.8.0

Customizable visualization of Value Set definition list

Snowray 2.8.0 comes with a configuration feature for the definition list, i.e. the inclusion/exclusion lists. Users now have three options to choose from: Default, Cozy, or Compact layout. There is also an option to display the definition list with alternating row colors. These settings can be accessed from the Settings menu under the user avatar.

New SNOMED CT Advanced search filter options

The Advanced search filters have been extended with the ability to specify semantic tags as well as effective time ranges.

Bugs/Improvements

  • Renamed the Concept Map table columns to display Source Code and Target Code as opposed to simply displaying Code on both sides

  • Harmonized Issue creation for Code Systems with other resources' Issue creation flow

  • Improved Issues created for a specific clause, mapping, or code in a way that now they display the issue's target on the Issues tab of the Resource

  • Moved the filter options of the Issues Page to the search bar as advanced filter options

  • Added multiple improvements to the Value Set compare

  • Introduced dedicated 404 error pages in this version

  • Improved the Resources Page so that the filtered state is now kept even after navigating back and forth

  • Enhanced the user experience by adding and/or improving hint texts over the UI

  • Improved terminology navigators so that they will reveal currently selected concepts when opening the tree for the first time, i.e. navigating to the detail page from a link

  • Updated multiple tooltips throughout the User Interface.

  • Fixed several issues with the Load more button of the Code System trees

  • Fixed an issue where in certain cases the UI was unresponsive while the tree was loading

  • Fixed an issue where the Issue counter increased as a result of leaving comments as well

  • Fixed an issue with the validation error message in the Create new Code System wizard

  • Fixed an issue where the Create Organization wizard threw an unwanted error

  • Fixed an issue where popups were not fixed and moved around with scrolling

  • Fixed an issue where the Versioned content popup did not disappear even after navigation

  • Fixed an issue where the Organization avatar was blinking while pressing other buttons on the page

  • Fixed an issue where the tree was not adjusted after switching between displaying the FSN or the PT

  • Fixed an issue where the notification for clearing a Concept Map target appeared incorrectly in the Recent Activity section

  • Fixed a bug where the available Value Set export formats were not aligned at the two places where export is possible

  • Fixed an issue where opening a Concept Map that had a Value Set as a domain threw an error

  • Fixed an issue where reordering Code System schema was possible even in a versioned state

  • Fixed an issue where listing FHIR Code Systems with _summary parameter resulted in an error

  • Fixed an issue where creating two Code System schema properties with the same name did not display a warning

  • Fixed a minor UI issue with the Issue counter badge

  • Fixed an issue where the Choose Plan button on the Billing tab threw an error in certain cases

  • Fixed an issue where date was missing from versioned FHIR Resource representations

  • Fixed an issue where the Quick Details section did not reflect the actual number of Open issues

  • Fixed an issue where the Open issues field was missing from the Quick Details section in certain cases

  • Fixed an issue where the member count of draft Value Sets was not displayed in the Resources Page list

  • Fixed an issue where the search bar after pressing Optimize did not filter the results

  • Fixed an issue where the Code System advanced filter did not show the correct number of filters applied

2.7.0

Enhanced Value Set Compare

Snowray 2.7.0 comes with a redesigned Compare feature. Besides the new look and feel, Value Set compare results now display not only the clause definition changes but the Value Set member changes as well.

Compare

Bugs/Improvements

  • Improved the on-hover tooltip for ECL tags

  • Updated the confirmation dialog for retiring or deleting Code System concepts

  • Ensured better control and representation of FHIR Code System contents

  • Fixed an issue where the user's profile was displayed incorrectly in certain cases

  • Fixed an issue where resources could not be created after subscribing to the Organization plan

  • Fixed an issue where an incorrect warning message was displayed when an Organization did not have any subscriptions yet

  • Fixed an issue where clicking on the Billing tab resulted in an error

  • Fixed an issue where certain notifications in the Recent Activity section were displayed incorrectly

  • Fixed an issue where the Code System tree in Value Sets remained in loading state after switching versions

  • Fixed an issue where the Value Set members API always returned the unversioned content of Value Sets even in case of a versioned path

  • Fixed an issue where FHIR Value Set representation for single concepts used filter inclusion instead of concept inclusion

  • Fixed an issue where FHIR resource search request class did not copy all properties to resource fragment

2.6.1

Tree view-flat list switch

Terminology trees are now equipped with a switch that enables changing between the hierarchical and the flat list view of the terminology.

Bugs/Improvements

  • Multiple improvements have been added to the import feature of FHIR formats to eliminate underlying issues

  • Fixed an issue where the ECL Content Assist unintentionally got invoked following certain keystrokes

  • Fixed an issue where deleting a Concept Map target resulted in error

  • Fixed an issue where migrating Value Sets to a new dependency did not update the label in the Domain field

  • Fixed an issue where migrating Value Sets to a new dependency did not refresh the tree in Browse mode

  • Fixed an issue where inviting more than 10 contributors at once was not possible

  • Fixed an issue where navigating with Back to bundle worked inconsistently

2.6.0

Pricing tiers

Snowray 2.6.0 introduces four pricing tiers - Free, Pro, Organization, and Enterprise - with different feature sets. The active subscription can be viewed and managed from the User Profile page under the Billing tab.

Shared with me page

Users can now view the list of resources that they have access to via direct sharing.

For more details check out the Shared with me section of the documentation.

FHIR import and export

Importing and exporting Code System, Value Set, and Concept Map files conforming to FHIR format is now supported in Snowray.

Terminology standards

The 2.6.0 version comes with a selection of publicly available terminology standards.

New/Updated CodeSystems

New Value Sets

  • NHS Clinical Reference Sets 34.1.0DF

New Concept Maps

Bugs/Improvements

  • Improved Value Set optimize performance

  • Improved the Quick details panel by displaying Concept Map domain information

  • Improved Code System authoring flow by adding a dedicated Edit button

  • Enhanced user experience by using accessibility friendly colors on the User Interface

  • Fixed an issue where the concept detail page resulted in an error for certain concepts

  • Fixed an issue where the domain header displayed incorrect version

  • Fixed an issue where defining Code System schema properties with no default value resulted in a mixed-up schema

  • Fixed an issue where using underscore character in a Value Set member concept's name resulted in a syntax error

  • Fixed an issue where sidebar icons showed up briefly on unintended pages

  • Fixed an issue where deleting Organization members using the Bulk actions was limited

  • Fixed an issue where the outdated data pup-up notification remained visible even after navigation

  • Fixed an issue where Value Set suggestions were missing from the Members tree

  • Fixed an issue where valid ECL syntax was marked as invalid

  • Fixed an issue where character count on the User Profile page information fields was not limited

  • Fixed several issues related to error texts

  • Fixed an issue where bulk deletion on the Teams tab did not work correctly

  • Fixed an issue where editing Team names worked inconsistently

  • Fixed an issue where the Add property definition button was not available in certain scenarios on the Schema page

  • Fixed several issues related to tooltips

  • Fixed an issue where the Bulk select checkboxes remained visible on the Resources page after navigation

  • Fixed an issue where a loading indicator got stuck on the Issues page after issue creation

  • Fixed an issue with displaying property fields on Code System concepts

  • Fixed an issue where editing Value Set with write permission did not work

  • Fixed several issues with migrating Value Set content to a new dependency

  • Fixed an issue where the Clear target button did not work in case of using the Focus View of Concept Maps

  • Fixed an issue where inactive members in Value Sets got incorrect icons

  • Fixed an issue where using the Mappings with issues filter did not work

2.5.0

Domain refinement

Snowray now enables restricting Concept Map source and target sides through ECL queries. This allows specifying a more refined set of concepts for mapping without having to include the entirety of a Code System. As part of this new feature, users can also select specific Value Sets as Concept Map domains, serving as another layer of refinement.

See the corresponding section here for more details:

Create

Issue management for Concept Maps

Issue creation and maintenance for Concept Maps is now available. Not only can users raise issues for Concept Maps, but for specific mappings as well.

🗒️Issue management

Dashboard tiles with new design

The Dashboard now comes with a fresh look on the resources tiles. The redesigned tiles display the owner of a resource, which also serves as a direct link to the User Profile Page.

Quick Link

Hovering over concepts in Code System hierarchies - both on the Content tab of Code Systems and in Code System trees available in Value Sets or Concept Maps - now allows accessing concept details in a new tab. The Quick Link feature is also available in the mappings of Concept Maps.

Terminology standards

The 2.5.0 version comes with a selection of publicly available terminology standards.

New CodeSystems

Bugs/Improvements

  • Support filtering resources on the Resources Page based on visibility

  • Display domain details in newly added headers to the different resources

  • Allow keyboard shortcuts when selecting and deselecting content within resources

  • Display Quick Details header on the Resources Page when no resource is selected

  • Allow navigating to the resource Overview tab from the Quick Details header

  • Display containing Bundle's details in the Quick Details panel when browsing the contents of a Bundle

  • Fixed an issue where ICD-10 icons were not displayed correctly Concept Maps

  • Fixed an issue where filtering while searching gave incorrect results

  • Fixed an issue where changing the resource visibility triggered multiple page refreshes

  • Fixed an issue where filter settings were lost after clicking Load More on the Resources Page

  • Fixed an issue where drag and dropping a resource on the '...' list element moved the resource to the root as opposed to the next-level Bundle

  • Fixed an issue where optimizing Value Sets after importing clauses ended up with the incorrect clause count

  • Fixed an issue where page refresh was not automatic after visibility changes and new issue creation

  • Fixed an issue where finding Value Sets in the merge function's search bar did not work

  • Fixed an issue where the cursor did not switch to a pointer when hovering over organizations on the User Profile page

  • Fixed an issue where pasting ECL from the clipboard caused incorrect syntax definition

  • Fixed an issue where the Automap bulk action failed to run

  • Fixed an issue where the Resources Page advanced filtering did not give results when Private option was selected

  • Fixed an issue where adding members to Teams did not work

  • Fixed an issue where a large result set could make the application unresponsive

2.4.1

Bugs/Improvements

  • Support selecting visibility when creating a resource

  • Support updating resource visibility on the Sharing tab

  • Allow users to get a developer key for API access with 24-hours-validity

  • Add back Value Set domain migration support

  • Allow organization URL and contact address to be clickable

  • Ensure that auto-generated organization and team profile pictures are consistent

  • Display validation errors only when users completed the input fields in a given form

  • Disable Remove from organization action when no member is selected

  • Removed the avatar from the Leave a comment row on the Issue conversation list

  • Fixed an issue where two error messages appeared during resource creation

  • Fixed an issue where the counter on a resource's Issues tab could not update after reopening an issue

  • Fixed an issue where the Remove team member user filter did not return any actual matches

  • Fixed an issue where the Remove team member wizard kept its cancel state after reopen

  • Fixed an issue where using LOINC Codes - with | in their terms - in Value Sets displayed syntax errors in the member tree

  • Fixed an issue where the advanced ECL editor in the Value Set authoring mode displayed an old version of the expression instead of the newly updated one

  • Fixed an issue where opening a resource from the top quick access bar displayed undefined in the owner section of the breadcrumb

2.4.0

Fresh new look

The new visual design introduced in 2.3.0 is now available publicly. All application components have been refactored to accommodate the new design.

Concept Maps

Snowray now supports the creation and maintenance of Concept Maps between any two selected Code Systems. They use the same resource lifecycle as the other existing resource types and offer the same set of metadata and content management functionality as well.

Concept Maps

User Profiles

Users now have their own profile in the system that can be visited by clicking on the profile icon on the top right, or by clicking on an avatar or username text anywhere throughout the UI. Profiles display the user bio, as well as information about the organizations they belong to and the resources they own.

User Profile

Organization Profiles

Organizations can also be represented in the system via dedicated Organization Profiles. Users can be invited to organizations to work together on shared resources. Teams can be formed to better reflect the organizational structure.

Organization Profile

Terminology standards

The 2.4.0 version comes with a wide range of publicly available terminology standards.

New Code Systems

New Value Sets

New Concept Maps

Bugs/Improvements

  • Extensive authorization improvements thanks to the new authorization system. Sharing, visibility, and authorization changes are instantly completed and users no longer need to wait before the changes are represented in the system.

  • Removed icon tooltips from resource icons

  • Fixed an issue where advanced search field labels were not visible due to small screen size

  • Fixed an issue where active resource filters were not indicated to the user

  • Fixed an issue where editable text height difference between read-only and edit mode

  • Fixed an issue where the metadata section of a SNOMED CT concept detail page gets duplicated

  • Fixed an issue where the parent field during new Local Code System Concept creation is empty

2.3.0

Consistent layout design

Snowray now comes with a new, improved layout design that is easy to parse, understand and use. All pages have been refactored to accommodate the new visual style (like spacing and colors). Further improvements are planned for 2.4.0 that will finalize the design.

LOINC

Snowray's next terminology standard that is publicly available is LOINC. Codes are displayed in a hierarchy, searchable and browseable similarly to SNOMED CT and ICD-10.

Bulk change resources

Resources now can be bulk edited to aid in managing them. Moving multiple resources between Bundles (which was one of the most requested features) is now possible via this neat function.

Bugs/Improvements

  • Fixed an issue where retired resource metadata could not be updated

  • Fixed an issue where Value Set suggestions could not be rendered due to missing alternative terms in the suggestion base concept(s)

2.2.1

Bugs/Improvements

  • Enabled back Value Set optimize feature

  • Improved resource create form validation and error messages

  • Prevent creating versions with reserved keywords, like HEAD

  • Retired resources now properly navigate to the latest version and prevent opening the HEAD

  • Fixed an issue where Value Set members tree would collapse for no reason

  • Using browser tooltips instead of tooltip bubbles

2.2.0

Custom Code Systems

Besides supporting terminology standards like SNOMED CT and ICD-10, Snowray now supports the creation and maintenance of a set of local (country-specific) codes packaged as a Code System. They offer a hierarchical representation of their codes along with an optional schema to enforce the cardinality and value range of properties.

See more features at:

Custom Code Systems

ECL 2.0 and drag & drop

Snowray now supports the complete ECL 2.0 syntax, including history supplements, member filters, and many more. See the official specification here.

To ease the creation of ECL expressions in advanced mode, drag & drop is now available from Code System trees to the editor's text area.

ICD-10

Snowray's next terminology standard that is publicly available is ICD-10. Diseases, categories, classes are displayed in a hierarchy, searchable and browseable similarly to SNOMED CT.

ICD-10

Bulk operator changes

Value Sets now support the update of operators among the selected clauses via a single action button.

Bugs/Improvements

  • Added support for relevance based sorting in SNOMED CT (and Custom Code System) filtering

  • Improved release export download button to offer the same formats as the standard export button

  • Fixed an issue where clicking on the left a comment notification would freeze the page

  • Fixed an issue where the X clear button in the top quick search component would overlap with the keyboard shortcut text

  • Fixed an issue where newly created comments started with a newline character

  • Fixed an issue where after successfully deleting a resource navigated back to the All resource list instead of keeping the user on the current page

  • Fixed various authorization issues when the user did not have the privilege to perform the operation (Move resources, Edit resources)

  • Fixed an issue where resource issues could not be resolved properly

  • Fixed various Code System and Value Set content import issues

2.1.0

Quick Access (Jump to) component

Snowray 2.1.0 adds the initial version of the new quick access component where resources can be looked up with a few keystrokes. Use the provided keyboard shortcut (ctrl/cmd + k) to access the search bar and then start filtering the available set of resources. Features like performing lexical or semantic searches in the contents of a resource, accessing issues, profiles and more will come in later releases.

Sequential Issue identifiers

Starting from Snowray 2.1.0, issues use sequential identifiers which allow users to reference them in other issues, commits, replies, and external documentation.

Display national flags for SNOMED CT extensions

Snowray 2.1.0 adds new national flags for the currently supported set of SNOMED CT extensions.

Bugs/Improvements

  • Open external documentation sites (User Guide and What's New) in a new browser tab

  • Fixed an issue where a release for a resource could not be created

  • Improve notification, toast messages and error handling

  • Add back potential conflict warning dialog

  • Fixed an issue where the resource detail page would incorrectly render the loading indicator causing unnecessary layout change and UI lag

  • Improve Resource Overview page browsing and editing experience

2.0.2

Bugs/Improvements

  • Disable copy buttons when clipboard is inaccessible or not avaiable

  • Fixed an issue where clause/concept highlighting did not highlight the relevant UI components

  • Consolidate resource overview page styling

  • Display original clause text on issue detail page (and keep displaying it even if it is already deleted)

  • Disallow selecting the current parent bundle when moving a resource

  • Fix sharing tab loading message not displaying

  • Changed direction of compare page arrow

  • Fixed an issue where tooltip data on SNOMED CT Concept overview page display overflows beyond the current popup width

  • Fixed what's new href

2.0.1

Bugs/Improvements

  • Add missing confirm dialog when deleting clauses of a Value Set

  • Searching the resource list now searches in all bundles under the current bundle, not just in the current bundle

  • Fixed ECL editor layout issue that prevented display of syntax suggestions

  • Use double-clicks when navigating on the resource list page

  • Allow double-clicks on value sets/concept maps/code systems to navigate directly to their content pages

  • Fixed an issue where a syntactically invalid ECL would cause a render error during Value Set authoring

  • Fixed an issue where sorting the resource list would cause a failure

  • Fixed an issue where pages would render too early when the user's session is not available yet

2.0.0

Snowray 2.0.0 release brings a redesigned terminology resource maintenance and editing experience by introducing an easy-to-use Resource Management interface with the new Resource page, generic issue management for all resource types not just Value Sets, and many more features and quality of life improvements.

Snowray 2.0.0 changes the application's overall look and feel by introducing rounded corners, a new coloring scheme, and a new manta ray logo.

Resource Management

The new terminology resource management interface allows users to manage their resources in a list view instead of a tree view. Quick details of a resource can be opened on the right side and navigation of bundles is easier than ever. The interface allows switching between earlier versions of any resource, not just Code Systems.

See more at:

📚Resources

Issue Management

The new generic issue management interface allows users to specify issues for both resources and their content. Issues can have a longer description and a list of comments that represent the conversation between the interested parties.

See more at:

🗒️Issue management

Value Set Authoring

Value Set Authoring has been greatly improved with the new Content tab, which allows both browsing and editing of value set clauses/members. The new page display members in tree form and updates itself semi-automatically while authoring the clause list of a Value Set. Different coloring of tree nodes helps users pick the right concepts for inclusion/exclusion and even automated suggestions and optimizations will appear in the tree with colored nodes to aid in the authoring of the given Value Set.

See more at:

Authoring

ECL 1.6

This release now supports the latest ECL 1.6 features from the official specification and also advanced search features from the Query Language draft (semanticTag, etc.) and many others.

Bugs/Improvements

  • Add Terms of Service and Privacy Policy documents and links

  • Display Cookie Consent the first time the user opens the application

  • Display a Snowray License Agreement dialog the first time a user opens the application

  • Highlight search term fragments when doing lexical searches

  • Use proper locale when browsing national extensions

  • Fixed an issue where highlighting of clauses was broken during Value Set editing

  • Improve Authentication/Authorization system by dropping LDAP for Auth0 services

  • Improve performance of released content browsing by using caches

  • Fixed an issue where the tooltip of a description on the concept detail page would cause an error

  • Display pointer cursor on Load More tree nodes

  • Fixed a performance issue during concept/clause highlighting

  • Ensure that the application always loads the right versioned data when navigating to versioned content

  • Fixed an issue where a user would see all resources in the system even if not all required permissions were granted to the user previously

1.1.0

Import simple/query type RF2 reference set files

Snowray Value Set definition editor now accepts simple and query type reference set files as source and constructs a set of clauses from the definition described in that file. In case of a simple type reference set file, each referencedComponentId will be converted to a single equal to clause, where when importing a query type reference with a single row, the query column will be converted to a proper set of inclusion and exclusion list in the current Value Set.

Export Value Set to delimiter separated text format

Snowray now supports exporting Value Sets into a delimiter (tab character) separated format where only the list of member codes and their terms are being exported.

Support pasting large ECL expression

Snowray introduces the ability to paste large ECL expressions into the Value Set definition editor. The pasted expression will be broken up to a set of inclusions and exclusions instead of generating a single clause from it.

New table view for resource metadata

Snowray now displays terminology resource metadata in a more readable table format, where property keys, icons and their values are displayed.

Display additional metadata (read-only)

Additional metadata information (eg. AREA and META) will be rendered on Value Set and Concept Map resources when available.

Display the number of matches in SNOMED CT tree filter

Snowray now displays a counter badge on top of any SNOMED CT hierarchy when that hierarchy is filtered by any type of filter.

Bugs/Improvements

  • Move resource to active status when versioning it the first time

  • Display username and user avatar in top right settings menu

  • Version selector on Value Set compare page now uses proper icons instead of user gravatars

  • Various minor Value Set/Concept Map create page styling and rendering improvements

  • Fixed minor text overflow issues when using the application on different screen sizes

  • Fixed an issue when rendering inactive content would result in an error page instead of a properly loaded inactive content

  • Fixed various defects with the Value Set HTML export format

  • Fixed an issue where users were unable to comment on newly added clauses

  • Fixed an issue where users were unable to create a new bundle

  • FHIR URLs now properly configured for newly created SNOMED CT refsets

  • Fixed an issue where certain semantic tags were not indexed properly in the underlying dataset causing search issues, incorrect hits, etc.

  • Fixed an authorization issue where access to dependencies of a resource were not granted during a permission change resulting in operation rejected errors

  • Value Set suggestions are now limited to the currently configured SNOMED CT CodeSystem dependency

  • Fixed an issue where restoring to a previous state of a Value Set would render empty clauses instead of the actual ones

1.0.1

Bugs/Improvements

  • Sort resources by their type when rendering them in the Resources Tree

  • Support highlighting of clauses/matching concepts when clause uses the ^ Member Of ECL expression

  • Fixed an issue where bundle authorization did not propagate to contained resources properly

  • Fixed an issue where panel resizing on a newly loaded page was not possible to the right only to the left

  • Fixed an issue where the SNOMED CT concept detail page did not render relationship properties as groups

  • Fixed an issue where a Value Set's history tab did not render the restore action as it supposed to

  • Fixed an issue where clause actions on smaller screens rendered on top of the concept selector

  • Fixed an issue where updating resource access for a user or team did not properly update the permission lists

  • Fixed an issue where highlighting of possible drop targets on the Concept Map page freeze the app

  • Fixed an issue where pasting text into the SNOMED CT tree term filter/advanced search filter was failing

  • Fixed an issue where navigating to the /login did not navigate back to the home page when the user was already logged in

  • Fixed an issue where loading more items in the tree would render duplicate items, or items incorrectly

  • Fixed various minor rendering and layout issues

  • Fixed incorrect back button navigation on resource detail pages

  • Reduce notification poll interval to 30s

1.0.0

The Snowray release v1.0.0 comes with features to help with the maintenance and release of Value Set and Concept Map resources. It also improves the general performance and user experience across all features.

New documentation site

The new release is accompanied by this very site, which serves the purpose of documenting all functions Snowray features. With time, the content will be further extended to cover all areas in as much detail as possible.

New Dashboard

See the official documentation page about the new Dashboard page and all its features:

🏠Dashboard

New Resource Management Page

This release brings a major feature that allows users to create their own SNOMED CT reference sets (as Value Sets or Concept Maps), maintain their query definitions (or mappings), release them and download them as RF2 Snapshot releases.

See the official documentation page about the new Resources page and all its features:

📚Resources

New Access Management and Resource Sharing features

Administrators (aka project managers, coordinators) from now one are able to control the access for each individual resource (Bundles, Value Sets, Concept Maps). Admin, write and read-only permissions can be configured for a single user or for an entire team of users.

See the official documentation page about the new Manage Access page and all its features:

Access management

ECL 1.5 support

This release now supports the latest ECL 1.5 features from the official specification and also advanced search features from the Query Language draft (module, namespace, effectiveTime, etc.) and many others.

New SNOMED CT advanced search features

This release brings a new SNOMED CT advanced search feature to support filtering SNOMED CT content by filters like status, module, namespace, effectiveTime and advanced ECL queries.

Importing official SNOMED CT RF2 releases

It is now possible to import SNOMED CT RF2 Delta releases into Snowray by using the dedicated RF2 import wizard.

Mapping terms from a file

This release features a new copy from clipboard (browse file) feature on the Concept Map page, where users can import their own list of codes/terms (id, term columns required in this order) to support mapping them to SNOMED CT. The page also comes with a new automapping functionality to automatically map the loaded terms to the current SNOMED CT substrate and generate mappings in the current Concept Map.

Merging Value Sets

It is now possible to create a Value Set based on another's definition or merge a Value Set's definition into another Value Set's current set of clauses.

See documentation for more details:

Bugs/Improvements

  • Improved format of change notification messages and commits, highlighting important information

  • Grouped change notifications together to reduce the amount of displayed notification popups

  • Inactive SNOMED CT Concepts can be searched and rendered on the SNOMED CT browse page

  • Searching by word equivalences (aka synonyms) is now supported

  • Extract ECL from copied text on Value Set editing page when possible

  • Improve Value Set optimization and suggestion performance

  • Improve performance of Value Set clause editing

  • Improve performance of Concept Map editing

  • Fixed an issue where SNOMED CT tree collapsed after canceling the current filter

  • Fixed an issue where a potentially malicious XML could be loaded into Snowray causing a security breach

1.0.0-alpha.10

New Resource Selector

Snowray now comes with an improved resource selector to support searching and selection of resources and their versions in a more accessible way. The previous Dropdown widget is now gone. The widget displays all available resources (as of alpha.10 all Code Systems) and their versions in reverse chronological order. Lexical filtering and matching text highlighting is available. Up to three most recently picked resources will be remembered for quicker access.

Smart drag and drop features

The previous release of Snowray has come with drag and drop support on both the Value Set and Concept Map pages. Users were able to drag and drop concepts from the Code System trees as a clause during Value Set editing and as mapping source/targets during Concept Map editing. This release brings significant visual improvements to indicate the possible drop targets when starting to drag a concept from the tree.

Visualize the different drop areas when dragging concepts on the Value Set editing page:

Visualize the different drop areas when dragging concepts on the Concept Map mapping page:

Reorganizing Value Sets and Concept Maps have got a visual improvement as well. Horizontal blue lines indicate the possible drop areas when dragging Value Set or Concept Map resources in their respective tree navigators.

Advanced ECL query editing

To support writing more complex ECL queries, Snowray now comes with server assisted completion suggestions (keyboard shortcut: Ctrl + Space), syntax validation and highlighting.

New Notification Center

Tracking what's changed, when and who made the change is a must when it comes to content authoring environments and user interfaces. This release brings a new notification bell widget to the top right corner of the app to access the most recent 20 commits and the most recent 20 comments since the last visit. Opening the widget display a tab structure where the first tab displays the changes, while the second displays the comments. Clicking comments navigate to the Value Set clause in question. (Navigation of commits is coming in the next 1.0.0 release)

Improved export content experience

To further improve the content publishing and export experience we have made small but noticeable improvements to the file download user flow. Clicking on an Export button will now render a loading indicator until the file you have requested is not ready and allows you to download it once it's ready.

New history action icons

Revert and compare action icons on the history page have been replaced with better, colorful variants to match the design of the application.

SNOMED CT descendants counts

SNOMED CT hierarchies now display the number of descendants available under the currently displayed concepts.

SNOMED CT Concept ID copy action

To simplify access and copy of SNOMED CT Concept IDs, Snowray now comes with a very simple copy button to copy the ID to the clipboard with a single click.

Bugs/Improvements

  • Support Enter/Esc keyboard shortcuts during Value Set clause and Concept Map mapping editing

  • Optimistically update Value Set/Concept Map resources to ignore rendering of a loading indicator

  • Optimistically update/delete Value Set clauses to avoid resurrecting clauses after deletion

  • Re-evaluate Value Set members tab after definition change

  • Drawers now can be closed via the Esc key or via a click on the non-drawer area (What's New, Suggestions, Comments)

  • Fixed an issue where Value Set rendered itself with folder icon instead of the dedicated Value Set icon

  • Fixed an issue where the EqualTo(=) operator did not show any display label on smaller screens

  • Fixed an issue where Value Set XML import did not work at all

  • Fixed an issue where loading Value Set members loaded a previously loaded page instead of the next page

  • Fixed an issue where folders did not refresh after modifying their contents

  • Fixed an issue where the sizing of browse page panels was incorrect after switching back from the compare page

  • Fixed an issue where Code System browser context menu on Value Set editing page could not be displayed

  • Fixed an issue where pasting an ECL expression to a clause editor

  • Fixed an issue where Value Set selector on the compare page showed only the previously selected but now cleared match

  • Fixed an issue where comparing a Value Set with itself displayed all clauses instead of no changes

  • Fixed an issue where switching to another Code System version did not properly update the underlying tree and displayed the previous version instead

  • Fixed an issue where selecting then deleting a clause with syntax errors did not properly reset the linked Code System tree

1.0.0-alpha.9

1Features

Value Sets:

  • New, inline Value Set clause editor. Replaces the old dialog style editor.

  • Support sorting Value Set definition clauses by their term (A-Z, Z-A)

  • Create definition from clipboard

    • A list of clauses separated by newline character can be copied into the Value Set clause editor

  • Support Drag n Drop feature during Value Set Clause editing

    • Dragging and dropping Value Sets and Folders to rearrange them

    • Dragging and dropping concepts during clause editing to include/exclude them from the current definition

  • Support editing Value Set (and Folder) names directly on their overview page

Concept Maps:

  • Initial implementation of Concept Maps page

    • Ability to maintain (create, edit, categorize, delete) Concept Maps

    • Ability to create/edit/delete mappings between two terminologies (SNOMED CT for now)

Code Systems:

  • Display the number of descendants next to the SNOMED CT Concept term in all SNOMED CT trees

General:

  • What's New page added to display the release versions and their changes

Bugs/Improvements

  • Fix Value Set page menu labels and naming

  • Update Value Set editing commit message to better reflect the actual change

  • Replaced Load more... button with infinite scrolling on Value Set and Concept Map members tabs

1.0.0-alpha.8

Features

  • Compare a Value Set with an earlier version from its history (the button is available under the History Tab)

  • Restore a Value Set from an earlier version (the button is available under the History Tab)

  • Change display description type between Fully Specified Name and Preferred Term (the new Settings menu is available in the menu shown on your user avatar picture) NOTE: Value Set clauses are still being built using the FSN of the concept

Bugs/Improvements

  • Minor performance-related improvements and fixes

1.0.0-alpha.7

Features

  • Context menu on SNOMED CT Tree to easily add concepts to a RefSet from tree

    • Concepts can be added as inclusions/exclusions

    • The available ECL constructs are Self, ChildOf, DescendantsOf, DescendantsAndSelfOf

Bugs/Improvements

  • New compact History Tab design (icons, less vertical space used, grouped commits together)

  • Instead of display ID |TODO label| adding a concept to a Value Set definition now properly uses its FSN

  • Display tooltip on Quick search widgets when the concept's label is longer than the currently available horizontal space

  • Fixed issue when a Value Set incorrectly categorized as Folder in the Value Set View

1.0.0-alpha.6

Features

  • Value Set Clause Optimization (refactor)

    • New Optimize Button on top of the clause list

    • Clicking on it triggers optimization of the available clauses

    • Algorithms:

      • If all descendants of a parent are included as single equal to clauses, then the optimizer replaces them with their ancestor

    • Clicking on Apply applies all optimizations to the Value Set and saves it

    • Clicking on Cancel goes back to the Edit page

  • Value Set Comments/Conversations (Workflow Phase 1)

    • Users are now able to start a conversation on clauses (Blue message icon at the end of each clause row)

    • Clause List now displays ongoing conversations (Gray message icon at the end of each clause row)

    • Clicking on the icons display a drawer on the right side

    • Comments are ordered chronologically

    • Resolve button at the top of the drawer resolves the conversation and removes it from the Value Set

Bugs/Improvements

  • Clauses are now identified with a unique ID instead of their query part, so creating identical queries now properly removes the selected one, instead of removing all identical queries

1.0.0-alpha.5

Features

  • Clause and member highlighting on Value Set Edit page

    • Clicking on a concept highlights the clauses that include/exclude it

    • Clicking on a clause changes the SNOMED CT tree to show concepts that match that clause (flat list only)

    • Color coding concepts (green: included, red: excluded, bold: pinned)

  • Value Set Suggestions

    • Based on lexical similarities the Value Set Edit page now calculates possible clause suggestions to the user (from the top 9 stemmed words a suggestion should have at least 3 in any of its descriptions)

    • The suggested clauses can be included in the definition using the Include button

    • Suggestions are automatically recalculated each time the definition changes

    • The number of suggestions and the top tokens used for them are also displayed on that page

Bugs/Improvements

  • Small search fixes

  • Reduce number of returned items to 30 when searching a tree via the textual filter

  • Remove selected concept when selecting different clauses on the ValueSet edit page

1.0.0-alpha.4

Features

  • Browse the available SNOMED CT Editions/Extensions from the ValueSet edit page

    • This allows users to select a specific SNOMED CT Extension and Version when adding a new ValueSet inclusion/exclusion

    • A new tooltip that shows the CodeSystem and Version of each individual inclusion/exclusion

  • FHIR lingo in application navigation

    • Renamed Browse page to Code Systems

    • Renamed Mappings to Concept Maps

  • Support deletion of ValueSets/Folders

  • Support filtering of inclusions/exclusions by a simple lexical filter

Bugs/Improvements

  • Prevent users from creating Folders/ValueSets with an already existing name

  • Caching and performance improvements

  • Faster navigation by using the already visited cached content

  • CodeSystems/ValueSets browsing uses smart caching to fetch content once you visit it and keep it available locally

  • SNOMED CT detail page tooltip improvements and fixes

  • Fixed a few Value Set icon issues

  • Pressing Enter on New Folder/ValueSet wizard now properly triggers Save

  • Value Set compare page now always displays labels instead of IDs

  • Fix broken '@ecl' special search key when used with the ROOT concept ID

1.0.0-alpha.3

Features

  • New Dashboard Page

    • Displays the available SNOMED CT Editions/Extensions

    • Displays a Recent Activity Tab where you can see recent changes in RefSets

  • Display and browse the available SNOMED CT Editions/Extensions

    • The Browse Tab now displays a Dropdown menu to switch between SNOMED CT Extensions and their versions

  • New prettier and smarter icons

    • All icons have been changed to SVGs so they will render on all screen sizes properly

    • They display a tooltip to help understand what is the purpose of the icon in the SNOMED CT terminology

    • Icons are now calculated by semantic tag

  • Smart search

    • The search bar on the Browse tab has been improved to support special search keywords starting with the @ character

    • Few examples:

      • @namespace(<namespace>) - return concepts from the specific namespace

      • @module(<moduleId>) - return concepts with a specific module

      • @ecl(<eclExpression>) - return concepts that match the specified ECL

      • @ql(<qlExpression>) - return concepts that match the specified Query Language Expression

Bugs/Improvements

  • Caching and performance improvements

  • Tree's will try their best to cache their state when switching between tabs

1.0.0-alpha.2

Features

  • Show the number of members on Value Set overview and members tabs

    Bugs/Improvements

  • Add version info to footer

  • Add Snowray favicon

  • Add page titles (shown in the browser's tab)

  • Add clear button to search bars

  • Fix back button navigation on Value Set edit page

  • Prevent searching SNOMED CT and Value Sets with a single character (too costly)

  • Hide Pin and Delete actions when editing a clause on Value Set Definition Editor page

  • Fix search bar initial value (instead of placeholder you should see a proper value, which is editable)

  • Increase number of matches in quick search widgets to 20 (see New Inclusion/Exclusion dialog)

  • Update definition editor commit messages (using inclusion/exclusion words instead of clause/definition)

  • Fix missing left side when editing a Value Set's name on Definition Editor Page

1.0.0-alpha

  • Initial release

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