Up min Chrome version.
Remove Notification.permission and page visibility polyfills.
Refactor ImageExpand.waitExpand():

- wait for the first frame to be loaded instead of the metadata before expanding.
- to my understanding, browsers will not always start the download immediately
  if the video isn't on autoplay, force it with load().
Merge pull request #1547 from MayhemYDG/cr33

Cr33
Update deps.
Handle webm playback errors with image expansion.
Don't keep running waitExpand's asap func when the image error'd.
Better asap test for image hover.
Release 4chan X v3.20.4.
Better handling of videos inside of clones.
Oops, video.load() actually sets the autoplaying flag to true.
Update archives.json
Merge pull request #1553 from fgts/patch-2

Update archives.json
Don't leave an extra `>` when quoting.
rm tmp conversion of hiddenThreads.
restore non-JSON navigation keybinds
Start supporting new semantics.
begin migration to new URLs
update CHANGELOG
Release 4chan X v1.7.8.