There are a few known quirks in the 2.0 release. These are documented rather than blocking. We'll chip away post-launch.
Video export
Firefox MP4 exports don't open in Windows Media Player
- Files do play correctly in VLC.
- WMP can play them if the user installs the HEVC/codec extension from the Microsoft Store — but Microsoft charges $0.99 for it, and the Store reviews reflect exactly how people feel about that.
- Not a bug on our side; upstream is Firefox's MediaRecorder codec choice and Microsoft's licensing.
- Workaround: recommend VLC (or Chrome) for users who hit this.
Windows exports sometimes come out as just the watermark
- Intermittent. Reloading the page has resolved it in every case we've seen so far.
- Needs repro steps before we can dig in.
Zip export
Frame-zip export is slow
- Works correctly, but zipping a full frame set takes a long time.
- Candidate for post-launch optimization (streaming zip? web worker? different compression level?).
General
"Reload the page" fixes most transient weirdness
- When something looks wrong (stuck UI, broken export, etc.) a page reload has been the reliable first-line fix during testing. Copy your program's DSL to clipboard first.