Youtube HDR videos are blank white

AlectoTheFirst

Hi Team,

switched back from Brave to Vivaldi, m1 macbook pro, latest macos. Youtube HDR Videos do play but just show a blank white picture, all other videos are fine.

Vivaldi	6.7.3329.39 (Stable channel) (arm64) 
Revision	7c9e8453c3bda0c609414dae4ca10a7f485af8d7
OS	macOS Version 14.5 (Build 23F79)
JavaScript	V8 12.4.254.20
User Agent	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Command Line	/Applications/Vivaldi.app/Contents/MacOS/Vivaldi --flag-switches-begin --flag-switches-end --disable-smooth-scrolling --save-page-as-mhtml
Executable Path	/Applications/Vivaldi.app/Contents/MacOS/Vivaldi
Profile Path	/Users/removed/Library/Application Support/Vivaldi/Default
Linker	lld
Active Variations	f38ef081-ca7d8d80

Example Screenshot:

Any help?

Kind regards
AlectoTheFirst

AlectoTheFirst

Update. Vivaldi Snapshot is NOT affected by this


Vivaldi	6.8.3371.4 (Official Build) (arm64) 
Revision	456f4f6ba505d0dbca7436a42fad20da46a9a1ce
OS	macOS Version 14.5 (Build 23F79)
JavaScript	V8 12.6.228.9
User Agent	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Command Line	/Applications/Vivaldi Snapshot.app/Contents/MacOS/Vivaldi Snapshot --flag-switches-begin --flag-switches-end --disable-smooth-scrolling --save-page-as-mhtml
Executable Path	/Applications/Vivaldi Snapshot.app/Contents/MacOS/Vivaldi Snapshot
Profile Path	/Users/chris/Library/Application Support/Vivaldi Snapshot/Default
Linker	lld

AlectoTheFirst

Vivaldi Stable update now caused all Videos in Youtube to no longer offer HDR!! - it still works on Snapshot.

Version without any HDR Option on Youtube

Vivaldi	6.7.3329.41 (Stable channel) (arm64) 
Revision	374522aae47116b0d0d715d317e469da98449cc8
OS	macOS Version 14.5 (Build 23F79)
JavaScript	V8 12.4.254.20
User Agent	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Command Line	/Applications/Vivaldi.app/Contents/MacOS/Vivaldi --flag-switches-begin --flag-switches-end --disable-smooth-scrolling --save-page-as-mhtml
Executable Path	/Applications/Vivaldi.app/Contents/MacOS/Vivaldi
Profile Path	/Users/chris/Library/Application Support/Vivaldi/Default
Linker	lld
Active Variations	f38ef081-ca7d8d80

not the best experience