Codalab

Frontend
- FIx the bug of `discard` button does not close the source editor (3241)

Backend
- Fix none concatenation error when interpreting worksheet (3218)

Frontend
- Fix bug of cursoring with keyboard shortcut after cutting a bundle (3197)
- Provide better UI response to the `rm` cmd (3206)

Backend
- Integrate sentry with bottle (3207)
- Fix Slurm worker manager constraints (3202)
- Revert "Get additional stats data from docker (3081)"

Frontend
- Disable the terminal when focusing on the search bar (3178)
- New Landing Page for Users (in beta, accessible through `/users` URL) (3088, 3192)
- Fix bug of pressing enter on image crashes (3195)

Backend
- Remove period from "Download starting" status message (3185)
- Add ability to configure sentry environment (3189)
- Get additional stats data from docker (3081)
- Expose slurm constraints to slurm batch worker manager (3196)

Dev / docs / CI
- Add messages to stress test (3157)
- Fix mock import (3183)
- Add instructions for filling out the competition form (3193)
- Fix flaky BundlesTest (3167)

Frontend
- Refactor certain promises into async/await (3062)
- Remove last_modified_date from regular worksheet (3172)

Backend
- Add urlopen with retry (2892)
- Catch Azure Batch Client failures (3158)
- Use a temporary CodaLabManager for WorkerManagers (3151)
- Fix log message when filtering out bundles in the worker manager code (3169)
- Add "date_created" and "date_last_modified" to worksheet (3073)

Dev / docs / CI
- Fix flaky datetime tests by freezing current time (3163)
- Fix flaky make bundle unit test (3089)
- Replace a bad image tag (3159)

Frontend
- Fix worker checkin service argument (3109)
- Fix some frontend vulnerabilities with `npm audit fix` (3138)
- Enable customizing cl search and cl ls output columns (3142)

Backend

- Make workermanager filtering more end-user debuggable (3079)
- Handle any requests exceptions when pruning docker networks (3103)
- Make timeout configurable with environment variable (3115)
- Allow archives to be uploaded from a URL with a query string (3094)
- Add cl wopen for opening worksheets in browser from CLI
- Add option to disable prefiltering in WorkerManager (3119)
- Increase max nginx body size to 1000 GB (3126)
- Revert gzip changes (3131)

Dev / docs / CI

- Return x-codalab-target-size header (3105)
- Group commands in pre-commit.sh by language (3114)
- rm flaky test (3108)
- Add cl open command for opening bundles in browser (3113)

Backend

- Allow relative paths to be specified with --link (3063)
- uls - add default if no argument passed (3031)
- Allow configuration of worker checkin frequency seconds from codalab_service.py (3095)
- Suppress printing the stacktrace of login error for Worker Managers (3074)
- Return x-codalab-target-size header (3105)

Dev / docs / CI

- Remove mock package, fixes 2793 (3093)