4.0.1 Improvements:

Querybuilder is now a Vue component, integrated in the main app,
this should fix many issues with the synchronization and slowness
Improve the sorting dropdowns in the result table columns

Fixes:

Fix some edge cases in the "copy to query builder" button in the Expert view
Only add sort=alignments to viewgroup for parallel corpora.
Fix "within" widget not working in extended search
Docs: fix dead links
Fix a broken sorting option in the result table (was using left/right instead of before/after, causing wrong behavior in rtl mode)
Fix printCustomJs when annotation/metadata contains a quote (') in the name
Fix split batch search
Fix a case of the application history showing duplicating entries
Fix footer showing old version numbers

Slight improvements to the i18n system, which should no longer download unused fallback locales during startup
Hide align by block unless a target is chosen
Add function for moving annotation/metadata between groups through API
Improve hidden tagset generator menu
Update Sass version