- URLbar feed button
SSL padlocks (to integrate better with the theme in question)
History Menu Button (on themes that do not use separate large and small icon sets)
Download location indicator styling
Indicator for no downloads
Windows 10 caption button/titlebar appearance
HTML5 media controls
Doubled text in the address bar (and related stylings)
Double "learn more" links in notification popups
Favicon when viewing standalone images (Pale Moon 27.3 and above)
This supersedes the Moonify userstyles, as this works universally across (most) themes.
You can download this right now on the Pale Moon Add-ons Site. Source code is on GitHub.