Issue #186: Update to TinyMCE 8.3.0

libraries/tinymce/CHANGELOG.md

@@ -5,6 +5,37 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html),
 and is generated by [Changie](https://github.com/miniscruff/changie).
 
+## 8.3.0 - 2025-12-10
+
+### Added
+- New `documents_file_types` option. #TINY-13278
+- New `files_upload_handler` and `link_uploadtab` options in the Link plugin. #TINY-13278
+- New upload tab to the link dialog when `files_upload_handler`, `documents_file_types`, and `link_uploadtab` are all specified. #TINY-13278
+- New options for `dropzone` dialog components: `dropAreaLabel`, `buttonLabel`, `allowedFileTypes` and `allowedFileExtensions`. #TINY-13278
+
+### Improved
+- Accordions can now be opened and closed when the editor is in a read-only state. #TINY-12316
+- An editor notification is now shown when a premium plugin is not allowed for a given license key. #TINY-12937
+
+### Fixed
+- Help Plugin did not contain an entry for the Fullpage HTML plugin. #TINY-13183
+- Accordions could be toggled when the editor was in a disabled state. #TINY-12315
+- Removing a line height sometimes did not remove it from all selected lines. #TINY-13053
+- The `font-size` style on `li` elements was not copied to new list items. #TINY-13224
+- Toolbar split button chevron tooltip is now the same as the main button tooltip unless explicitly set. #TINY-13271
+- Inline formats were not applied to the marker of a list item when its content was a single block element. #TINY-13197
+
+## 8.2.2 - 2025-11-17
+
+### Fixed
+- Ability to load licensekeymanager in different hosting scenarios. #TINY-13203
+
+## 8.2.1 - 2025-11-06
+
+### Fixed
+- Resizing the editor's height would add a fixed width value. #TINY-13138
+- Help Plugin did not contain an entry for the Fullpage HTML plugin. #TINY-13183
+
 ## 8.2.0 - 2025-10-23
 
 ### Improved