This is part of an experiment.
I encoded this movie in x264 as well as x265.
This is the x265 version.
You can compare the two encodes using the links below.
Both were done using the same Avisynth script.
The result: x264 encode is 2.72 GB, the x265 is 1.66 GB.
Video: 1280x720 crf16 x265 (Blu-Ray source)
Audio: 5.1 AAC English
I personally opened this encode in the latest versions of VLC and MPC-HC, they worked fine. If you're on Linux or MAC, I'm afraid you're on your own... Good luck!
**Uploader's addendum:** If you're on Linux or Mac, make sure you have a recent version of VLC or MPV.