Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- app/models/status.rb

Resolved by taking both changes (not a real conflict, just changes too close
to each other).

app/models/media_attachment.rb

@@ -77,6 +77,7 @@ class MediaAttachment < ApplicationRecord
     format: 'mp4',
     convert_options: {
       output: {
+        'loglevel' => 'fatal',
         'movflags' => 'faststart',
         'pix_fmt'  => 'yuv420p',
         'vf'       => 'scale=\'trunc(iw/2)*2:trunc(ih/2)*2\'',