Update CKEditor 5 Plugin Pack from ~1.4.0 to ~1.5.0

Problem/Motivation

CKEditor 5 Plugin Pack 1.5.0 was released on: 7 Jan 2026 by: salmonek
https://www.drupal.org/project/ckeditor5_plugin_pack/releases/1.5.0

the following issue was committed into the release
#3565156: PHP 8.4 compatibility - implicit nullable parameter deprecations for CKEditor 5 Plugin Pack

Proposed resolution

• Change drupal/ckeditor5_plugin_pack to ~1.5.0 in the composer.json file.

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ❌ Release varbase-10.1.1, varbase_editor-10.1.2, varbase-10.0.10, varbase_editor-10.0.22

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• chore: #3566390 Update CKEditor 5 Plugin Pack from ~1.4.0 to ~1.5.0