I'm always impressed with Palemoon and am loyal because it is the only browser which supports the older style Sync with my older style cloud server, which continues to work flawlessly.
When I see PM release notes like:
- Switched to the new ffmpeg decode API to avoid dropping of frames.
- Fixed a buffering issue in the WebP decoder that caused intermittent browser crashes.
I get all excited to try video, this time Plex (and Emby). And I'm happy to report it is watchable at nearly full 1080p frame rates, even on 4K and 1080p monitors. Previous versions of Palemoon I would say weren't really watchable. Trying the same movie using Firefox color depth seemed more lacking than Palemoon, but frame rate was higher making the presentation smooth. Impressive PM video performance improvement over earlier versions!
Interestingly I also tried the same movie playback under PM Linux. Performance appeared similar to Windows. Under Linux I almost always use PM. Windows PM performance improvements have me using PM Windows more frequently lately. Windows=Surfacebook i7 processor 16GB RAM, Linux Ubuntu 16.04 x64 AMD 8120 processor 16GB RAM
Generally Palemoon seems quicker with newer releases.