Nuke 15.0v4 is working fine here for me with Prism, Deadline and Cryptomatte.
Do you have the Prism USD plugin loaded?
For some people the USD Viewport caused a crash in Nuke 15.
Try to turn off this option: Prism User Settings -> USD -> "Show USD viewport in Products tab by default"
Nuke 15.0v4 is working fine here for me with Prism, Deadline and Cryptomatte.
Do you have the Prism USD plugin loaded?
For some people the USD Viewport caused a crash in Nuke 15.
Try to turn off this option: Prism User Settings -> USD -> "Show USD viewport in Products tab by default"