v3.4.0
Apply prettier 2 (#19862)
Milestone 1.3 and 1.4: Add Algebraic Expression Input Interaction (#9553)
Added Mypy type annotations to the `extensions` directory. (#16083)
Milestone 1.1 (Improve line and branch coverage for the frontend and the backend): Checks to ensure that every backend file has an associated test file (#15625)