Release 0.20.3

• Warn about iodide potentially going away in the future (#3081)
• Wait for database before running migrations (#2935)
• Switched to the jsDelivr CDN for pyodide 0.15.0 (#3020)

Release 0.20.2

• Allow new windows opened from iodide to submit forms (#2919)

Release 0.20.1

• Fix one last case where the user might be warned unnecessarily when navigating
  away from iodide (#2884)

Release 0.20

• Allow creating iodide notebook with attached files via a POST request, using
  a new /from-template/ endpoint (fixes #2681) (#2849)
• Don't warn unnecessarily when navigating away from a notebook (fixes #2537) (#2855)
• Allow attaching files to a trial notebook (or when unauthenticated) (fixes #2680) (#2727)
• Use pyodide v0.15, fetching from cloudflare CDN (#2874)

Release 0.19.1

• GitHub authentication no longer uses URL query parameters (fixes #2682) (#2751)

Release 0.19.0

• Can now specify notebook iomd via a URL parameter with new or
  tryit endpoints (fixes #2565) (#2676)
• Always show "Clear history" button in the Console dropdown (#2707)
• Fix plugin cell parsing (#2721)

Release 0.18.0

• Center "Help" and "Play" icons in some browsers (fixes #2567) (#2570)
• Handle cases where coalescing revisions results in no change (fixes #2517)
• Allow users to make a copy of any notebook (fixes #1621) (#2593)
• Allow viewing files when not logged in (fixes #2562) (#2575)

Release 0.17.0

• Further refine escaping iomd returned by iodide server (#2526)
• Add autocomplete for JS and language plugins (Pyodide working POC) (#2539)
• Add bytes fetch to fetch chunks (see docs) (fixes #1786) (#2550)

Release 0.16.1

• Unescape hexadecimal quotes in iomd (fixes #2524) (#2525)

Release 0.16.0

• Remove redundant description metadata for link previews (#2448)
• Vertically align text in language selector (fixes #2446) (#2450)
• Allow running simple-serve from a port other than 8000 (fixes #2444)
• Allow blank content on notebook revision creation (fixes #2445) (#2455)
• Enable user to clear console history with a click (fixes #1015) (#2453)
• Report more specific errors in console when executing fetch cell (fixes #1853) (#2475)
• Better onboarding around the use of the "run all" button (#2471)
• Automatically prune revision history (fixes #2451) (#2461)