Trigger the version diff within the main file (see #5220)
Move all versioning related methods to the `Versions` class
Replace `createInitialVersion()` and `createNewVersion()`
Merge branch 'feature/versions-library' into develop
Fix the meta wizard language menu
Support the "novalidate" attribute in the form generator (see #4263)
Make the years in monthly archive menus clickable (see #4450)
Move `DC_Folder::sync()` to `Automator::syncFiles()` (see #5099)
Link the file/page picker and file/page manager (see #4856)