Bump tinymce from 6.8.6 to 8.3.0

[dependabot]

Bumps tinymce from 6.8.6 to 8.3.0.

Changelog

Sourced from tinymce's changelog.

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

• Some elements would be given an extra newline by the serializer when indented. #TINY-12857

Fixed

• UI elements like focus outlines and placeholders would be visible after printing. #TINY-12584
• The open attribute on <details> elements is now normalized to open="open" when the accordion plugin is enabled. #TINY-12862
• Tooltips on toolbar buttons sometimes remained visible if the button icon was updated while hovered. #TINY-12289
• The editor would upon gaining focus scroll to the center of the editor on some browsers if the top of the editor was out of frame. #TINY-12626
• Some UI elements related to dragging elements were not properly filtered out when fetching content. #TINY-12384
• The cursor could get stuck around an absolute CEF element when navigating using arrow keys. #TINY-10526
• The schema will now allow the property RDFa attribute on meta elements. #TINY-12858
• Corrected type of undoManager.add method. The event parameter is type EditorEvent not Event. #TINY-12936
• Chromium browsers would in certain situations scroll the editor unexpectedly when dragging content over the editor. #INT-3373
• Support for setting component urls for custom elements. #TINY-13006
• Reverted toolbar button width to auto. #TINY-13097
• Addressed split buttons rendering narrower than in TinyMCE 7, ensuring consistent sizing across the toolbar. #TINY-13111

... (truncated)

Commits

• 4c89695 TINY-12194: Changelogs (#10763)
• 1b4fad1 TINY-13484: Fix failing CopyAndPasteTest caused by lastest Chrome (#10780)
• e44902f TINY-13319: Incorrect link corrected. (#10778)
• 566b9d3 TINY-13411: Adjust NPM license information to have correct links (#10776)
• 12ce7b0 TINY-13411: Update license information for built component package (#10769)
• e91afef TINY-13319: fix error message (#10755)
• 72ffce1 TINY-12315: Preventing accordions to be clicked when disabled. (#10716)
• 2b65ede TINY-13271: Reduce autogenerated text to prevent translation issues. (#10749)
• a273dc2 TINY-13197: Fix styles not applied to the list item when its content is wrapp...
• a0df128 TINY-13005: License key manager improvements (#10740)
• Additional commits viewable in compare view

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