- Animation urls fix
- Revert "cache Dance Party 2019 in CloudFront"
- Engineering adjustments to middle-high-2020 page
- Fix continue button on external markdown levels
- Bump dance party to version 51
- Show student not started warning on free play levels
- Update hook comment: where avatar image filenames aren't lowercase
- Change font to Gotham 4r for fish activity
- cache Dance Party 2019 in CloudFront
- [Artist] smaller steps threshold for preview
- Remove newSongs flag
- [student-libraries] add 'view code' option when importing libraries
- Impose max call stack size in JS interpreter
- Simplify constants
- Handle submissionless rows gracefully in Peer Review CSV