Transparency bug in v27? All transparent sources look slightly different than v26.

[TigerSHe]

After updating to v27, all my transparent sources look slightly off. This includes image sources with the "color correction" filter that adjusts transparency, text sources with transparency color background, and browser sources with css alpha values (like "rgba(0,0,0,0.8)").

I have not altered the source / filter settings after the update in any way. Did you guys changed how the transparencies are calculated?
I will include screenshot from the recordings in v26 vs in v27.

V26 transparency 90%

V27 transparency 90%

v26 browser source with alpha rgba(0,0,0,0.8)

v27 browser source with alpha rgba(0,0,0,0.8)

 

[TigerSHe]

bump

 

[R1CH]

16 bit channels? https://github.com/obsproject/obs-studio/issues/4787

 

[TigerSHe]

16 bit channels? https://github.com/obsproject/obs-studio/issues/4787

it could be. I am using a DCI-P3 color space monitor, with a calibrated color profile. If the OBS internal browser source looks at my color profile and adjusts the output, it might just be in 16 bit channel.
the screenshot i provided above are all issues from the browser source (with transparency settings.)

 

[TigerSHe]

After today's update fixing the 16bit channel bug, this issue still persists. I have narrowed the problem down to "browser source with transparency looking whiter".

 

[TigerSHe]

FIXED: I managed to get the color back to normal by turning on "hardware acceleration for browser sources"
Still, with HW acceleration off, the colors look off, if this is a noteworthy discovery, please notify the devs.

 

[YorVeX]

Same for me, several scenes are brighter than before now. I also commented with screenshots here: https://github.com/obsproject/obs-studio/issues/4787

Turning on hardware decoding on the Media source doesn't change anything.