* Improve, test, and fix some first time flow issues.
* Show reasons for failing to connect.
* Actually use CommonMark JS in "safe" mode(!).
* Move app blob handling from JS to C.
* Fixed "publish" command-line interface and used it to add a script that posts development activity updates.
* Minor style improvements.
* Make it possible to see the little graphs on mobile.
* Updated dependencies:
  * libbacktrace
  * CodeMirror
  * c-ares 1.34.3
  * speedscope 1.21.0