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Fix #25998: Replaced ngx-joyride with angular-shepherd for Angular 12 compatibility (#26460)
Fix #24668: Add Beam Job for syncing Firebase and Oppia (#24934)
Fixes #8625: Split linters to run for a specific file extension (#8656)
Fix #18220:migrating packages from dependencies.json to package.json part 1 and additional cleanup to remove dependencies.json entirely (#24880)
Black formatter staging (#23456)
Fix part of #25877 Remove webpack build architecture (#26078)
Fix #26599: Fix modal linter to check backdrop:'static' per ngbModal.open() call (#26657)
Fix part of #25941: Clean up legacy embedded <style> tags from HTML templates removing inconsistency of next 20 files (part-7) (#27070)
Fix #24131: Add check to guard against unused i18n keys (#25220)
Fix #19462: Removed angular-service-index.ts file and its instances (#24115)
Drop obsolete Python code (mostly leftovers from py2 to py3 migration) (#21538)
Remove dependencies from common.py and from scripts on core (#23993)
Fix part of #26609: Removed play later functionality (#26610)
Fully remove the Docker installation. (#23936)
Fix #26623: Migrate datetime usage to utils functions (#26648)
Fix #21878: Prevent translation count from exceeding content count (#24589)