v3.3.4
Fix #16494: Move /security.txt to /.well-known/security.txt (#16864)
(Celebrating learners' accomplishments) Milestone 1.1: Add end chapter check-mark and confetti (#15589)
Fix Issue #19389 Partnership page correction (#19394)
Fix #4367 : Prevent null-submission for MathExpressionInput interaction (Upgraded guppy 260da6--->b5055b) (#4753)
(Partially) Fix #2100: add cache slugs. (#2208)
Fix #15899: Fix CodeQL Errors from https://github.com/U8NWXD/oppia/pull/17/files (#16498)
Add e2e tests to svg editor rte (#9745)
Adds readme to various folders (#8329)
Create a pip package for Oppia to support Beam jobs (#13938)
Complete some miscellaneous small fixes -- drop UA tag, add comments and update issue templates. (#18553)
Fix #18648: Include Newsletter and update the Footer Section (#19036)
Fix #2255: Remove commons folder and transform toast icons to material (#4898)
Changes to the release process and test improvements (#17154)
Fix part of #9749: Migrate rte modal controller and rte modal service (#17916)
Fixes #16313 and Adds back M1.3 And M1.4 (Blog Integration) (#16323)