Since 1.8, incorrect .mp4 files

[py29]

Hi

Since 1.8 version, my .mp4 downloaded files are not corrects (i use pre-built executables) :

• no thumbnails
• no duration

With 1.8 :

With 1.7 :

For duration :
Last file with 1.8, other with 1.7

[theduckrules]

Same issue with windows 10 Pro 64 bit. Every mp4 file is corrupted.

[theduckrules]

All mp4 format files are useless since version 1.8. Cannot be opened in Windows 10. When will the fix be available as a release.