v3.3.5
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 part of #19266: Added "our learners carousel" and fixed font sizes in donate-stats (#19396)
Replaces webp/png image with SVG image to fix lighthouse flake (#19493)
Fix #4367 : Prevent null-submission for MathExpressionInput interaction (Upgraded guppy 260da6--->b5055b) (#4753)
(Partially) Fix #2100: add cache slugs. (#2208)
Fix part of #18921 : Deleted unnecessary TODO comments from the codebase (#19298)
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 #19452: Remove math and collapsible buttons for blog post RTE (#19472)
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)
Fix issue #18467 : Updated Sitemap.xml for pages to get picked by search engine (#19419)