Upload 11.6.6 RNs

content/en/docs/releasenotes/studio-pro/11/11.6.md

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+## 11.6.6 {#1166}
+
+**Release date: May 1, 2026**
+
+{{% button color="info" href="https://marketplace.mendix.com/link/studiopro/11.6.6" text="Go to Marketplace" title="Download version 11.6.6 from the Marketplace" %}}
+
+### New Features
+
+- We added a new runtime setting `FileStorage.S3.DisableChunkedEncoding` to allow disabling chunked encoding for S3 storage. (Tickets 274327, 272789)
+- When Studio Pro is uninstalled, residual files created by Studio Pro are now also removed during the uninstall process. For this feature to work on macOS, we recommend using Mendix Version Selector (version 58 or higher) to uninstall Studio Pro. On Windows, regular uninstallation either through the OS itself or via Version Selector is sufficient.
+
+### Improvements
+
+- We improved performance of opening the Entity selector dialog. (Ticket 270854)
+- We upgraded the BouncyCastle dependency to version 1.84. (Tickets 276629, 276631)
+-  We have made improvements to the **Collect Support Information** feature:
+   * The **Collect Support Information** progress dialog is now cancellable.
+   * We made the **Collect Support Information** feature available to macOS users.
+   * We have added useful information to aid our support team in diagnosing issues, such as:
+      * The length of the current session.
+      * The size of the app.
+      * Number of modules.
+      * Total document count and document type breakdown.
+      * If the project directory has been excluded from Windows Defender Antivirus.
+- We improved performance when Studio Pro exports pages and layouts for the React client during deployment. Apps with many pages, layouts, or snippet calls can now deploy significantly faster.
+
+#### Widget and Module Marketplace Metadata {#widget-module-metadata}
+
+We changed how Studio Pro stores Marketplace identity data for widgets. This data is now stored in a single shared file, **widgets-appstore-metadata.json**, located in the root of your app project, instead of inside each individual widget's *.mpk* file. 
+
+Additionally, some Marketplace modules could have an incorrect version string in the app model, these are now corrected automatically. When you open your app, all widget files are updated, the new `widgets-appstore-metadata.json` file is created, and any module version strings are corrected. These will appear as changes in your version control, commit them as part of your upgrade.
+
+### Fixes
+
+- We fixed an error in offline synchronization when objects with sync mode set to **Never** are selectively synced after a full synchronization (Ticket 266442)
+- We fixed an issue where saving changes in the **Select Elements** dialog of an XML import mapping incorrectly allowed saving an invalid selection where a parent element was checked but its required child element was not, without showing the expected error **"Element '…' cannot be checked without a checked child element."** (Ticket 273820)
+- We fixed an issue where filtering for objects using a constraint like [not(association)] in offline apps incorrectly returned no results. (Ticket 274157)
+- <a id="fix-oracle-sql"></a>We fixed an issue when running with Oracle where task queue queries generated invalid SQL. (Ticket 275597)
+- We fixed an issue in the **Select Elements** dialog of an XML export mapping where clicking OK on a checked parent element whose required child elements had not been expanded caused the error **"Element '…' cannot be checked without a checked child element."** Studio Pro now automatically checks required child elements of unexpanded parent nodes before saving. (Ticket 274683)
+- We fixed an issue that prevented the Security Overview export from opening.
+- We made the main start activity in **Workflow** not draggable, to prevent users from accidentally dragging it and losing their progress. 
+- We fixed an issue where using the <kbd>Tab</kbd> key in the multiline text area would insert a `\t` character into text inputs on macOS.
+- We added an additional fix for cases where an external keyboard would not traverse properly through elements marked as accessible on mobile devices.
+- We have fixed an issue on iOS where specific scenarios of using custom styled widgets inside container widgets would not show the desired styling.
+- We fixed an issue where an Oops dialog appeared when re-selecting a modified JSON Structure in an import mapping. This happened after updating the JSON Structure's content and then re-opening the **Select Elements** dialog to select the same structure again.
+- We fixed a runtime exception in **Published OData** when publishing an association to an object that is inaccessible due to OData security constraints.
+- We fixed a runtime error in OData search queries for a `varchar` attribute with a limited column length and a search string longer than that limit.
+- We fixed an issue in the **JavaScript Action Editor** where multiline import statements were not parsed correctly.
+- We fixed an issue where an app could reject valid localized dates for custom date patterns that use month names. This affected patterns with abbreviated month names such as `dd MMM yyyy` and standalone abbreviated month names such as `dd LLL yyyy`, so values like the Dutch `16 mrt 2027 10:02` could be treated as invalid.
+- In the entity access rules editor, we fixed module roles not being sorted in alphabetical order.
+- We fixed an issue where MxBuild incorrectly reported that the modern web client bundler stopped unexpectedly, while the React client bundler completed normally without errors.
+- We fixed `TabContainer` not updating the active tab attribute or firing the **onChange** nanoflow on tab switch when the TabContainer entity is passed as a nanoflow argument.
+
+### Deprecations
+
+- From July 6, 2026, we will drop support for the following database versions that are no longer supported by the vendors:
+    - PostgreSQL 13
+    - MariaDB 10.6
+
 ## 11.6.5 {#1165}
 
 **Release date: April 3, 2026**
@@ -66,6 +125,7 @@ For more information, see [Portable App Distribution](/developerportal/deploy/po
 ### Known Issues
 
 * When using an Oracle database, invalid SQL is generated by the task queue subsystem, causing application startup to fail. (Ticket 275597)
+    * Fixed in [11.6.6](#fix-oracle-sql) 
 
 ## 11.6.4 {#1164}