Release 5.1.0

Available since December 2, 2025

Most new features are available in the Modeler with its 5.1 release in March 2026.

New features

• Numeric fields can now be rendered as actual numeric inputs. This introduces new settings such as min, max, and step. More information on numeric inputs: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/input/number

• Browser autocomplete is now enabled for additional input types:

  • Date

  • Duration

  • Number

• Entity reference fields can now be displayed as comboboxes.

• Added support for querying all rows in a nested list, instead of only rows related to the current parent. This applies to:

  • Datagrid and repeater UI components

  • Data export (CSV, Excel, JSON, XML)

  • Loop and list flowchart nodes

• The image UI component can now have a title attribute in addition to alt. Labels rendered as images can also include both attributes. More info: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/img#alt https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Global_attributes/title

• The data export flowchart node now supports skip and take (paging).

• Labels containing an entity reference can now evaluate the entity’s default label expression.

• New WEM expression functions added: GetFlowchartId(), GetFlowchartName(), GetNodeName()

• Added the order by keyword to WEM expressions, useful especially for loop statements in widgets or script blocks.

• Added the SHA512() WEM expression function.

• Added the IsDirty() WEM expression function to check whether a row or field has unsaved changes.

• WEM OAuth now supports RSA SHA512 for JWT signatures.

• You can now explicitly configure an application binding to request a client X.509 certificate during the TLS handshake. Previously, this behaviour depended on the hostname containing "webservice".

Bug fixes and improvements

• Fixed an issue where a widget script using navigate to @NavigationItem would error if the item was undefined. It now silently ignores the instruction, consistent with follow @Exit and execute @Flowchart.

• Extended the supported date range of FromUnixTimestamp() to correctly handle dates past the year 2038.

• Fixed validation issues when using the “Navigate To” and “Clear Session” flowchart nodes.

• Fixed an issue that occurred when storing empty temporary files.

• Resolved a WEM debugger issue where certain breakpoints resulted in an error page.

• It is now possible to define a custom HTTP endpoint at the root path / of an application.

• Improved the mechanism for requesting Let’s Encrypt certificates.

• Fixed an issue where checking the status of a non-existent async task returned queued instead of not found.

• Fixed an issue where comet listeners could not start from pages with nested URL paths.

• Various small improvements and fixes to the runtime API used by the WEM DevOps portal.

• Fixed an issue where FileUrl() added a double slash (//) when the hostname was included.

• The WEM HTTP request node now accepts any Authorization header value, even if not strictly compliant with HTTP spec (e.g., missing a formal authentication scheme).

• Fixed a bug in design templates where the WEM button bar was added twice.

• Restored the behavior where autocomplete suggestions appear immediately when minimum characters is set to zero.​

• Fixed an issue with the positioning of the datetime picker.

Configuration changes

• The nginx service has been changed from a DaemonSet to a Deployment with 2 replicas by default. It will therefore no longer run on every node automatically.

• Helm chart indentation has been standardized to 2 spaces.

• Added support for configuring topologySpreadConstraints and affinity for:

  • applicationService

  • applicationServiceTasks

  • documentCreator

  • nginx

• Removed the option to configure the number of replicas for the configServer.

• Removed optional sections related to the migration from version 4.1.

• Reduced default CPU request for loggingService from 400m → 100m.

• Reduced default CPU request for portalrepository from 400m → 100m.

• Outlook message files uploaded at runtime are now correctly recognized and will be downloaded using the .msg extension.

Impact analysis

• You must update to 5.0.x before upgrading to 5.1.

• Expect a brief downtime (a few minutes at most) during the upgrade.

• Runtime database schemas will be updated. Rolling back to 5.0 requires manually reverting these schema changes.

• Applications published to a 5.1 runtime cannot be deployed to a 5.0 runtime.

Runtime database schema changes

The following Postgres runtime schemas are updated:

• AiAgentHub: 1.0.2 → 1.0.3

  • Added column tblAiAgentFile.FileSourceId

• Log: 1.0.0 → 1.0.1

  • Added column tblScheduledTaskLog.ExecutionId

• ApplicationConfig: 1.0.11 → 1.0.12

  • Added column tblBinding.RequestClientCertificate

To pull this release, use: helm pull oci://wemio.azurecr.io/helm/wemruntime --version 5.1.0 --untar