It is well known that not all effects work when working in 32-bit mode in After Effects. Some colour modes are also affected and cannot be used in 32-bit mode, because otherwise the highlights in the footage will be greyed out.
However, this bug also affects Add mode. This was never the case before, but since the latest updates, it has become a bug. The last version where I used it correctly is 25.1.
A similar bug has been filed in version 25.2. Check out the main thread here. The bug is under investigation. Is this the same issue that you are getting?
thx, but its not quit the same problem. You see in the first picture normal situation, when highlights are above the 100% and are not clipped. but in the second picture you see, that the highlights are cuted. its because auf 16 bit effects and because of the new bug, when you add "add" color modus in the layer. Its known, that not all color modi are avaible fpr 32 bit workflow, but the "add" modus should be working fine. (You se the same problem in photoshop. when you switch project to 32 bit modus, not all color Modi are avaible. because not all are working with 32 bit.) but Add modus was always working in both programs untill the new updates. Its a big problem, in 32 bit workflow you have only one option to add colors... and now, its bugged and I dont know, how nobody see this. 😄 How people are working with this for 3 Versions of After Effects and nobody realize it or fix it. 🙂
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