v3.4.5
Add frontend visualizations for answer summary views. Clean up some unneeded backend code and resolve some review comments.
Fix #15567: Python Interpreter Migration from 3.7.10 to 3.8.12 (#15508)
Drop obsolete Python code (mostly leftovers from py2 to py3 migration) (#21538)
Upgrade libraries (#14430)
Fix part of #9749: Migration of improvements-tab, statistics-tab, feedback-tab in Angular (#16060)
Apply prettier 2 (#19862)
Fix #7092: Remove downgradeComponent (#21903)
Standardize structure of visualization directives (#9605)