v3.3.0
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)
Added Mypy type annotations to the `extensions` directory. (#16083)
Upgrade libraries (#14430)
Fix part of #9749: Migration of improvements-tab, statistics-tab, feedback-tab in Angular (#16060)
Standardize structure of visualization directives (#9605)
Fix part of #10474: Make typescript checks strict for few more files (#16214)
Feature: Introduce angular cli and ahead of time compilation (#16073)