2.5.20 (2021-02-08) Bugfixes: Fix build in Python 3 #3102 Fix broken build in directories with spaces #3102 Fix trick mode tracks in DASH (work around compiler bug) #3085 #3087 Fix DRM initialization on WebOS 3.0 #3109 Recognize "m4f" extension in HLS #3099 #3111 Fix header sizes for MP4 boxes with 64-bit size fields