I hadn't submitted one before. After seeing your reply, I submitted a report via Feedback Assistant: FB20848747.

Additional information: kmutil rebuild frequently fails: % sudo kmutil rebuild Checking the auxiliary kernel collection... Error Domain=KMErrorDomain Code=31 "Error occurred while building a collection: Cannot build collection without binaries as only 1 codeless kexts provided" UserInfo={NSLocalizedDescription=Error occurred while building a collection: Cannot build collection without binaries as only 1 codeless kexts provided} Output from kmutil inspect on macOS 15.7: % kmutil inspect auxiliary kext collection at /System/Volumes/Preboot/DE1C1CE0-D3C6-403C-B5D8-56E6E003148C/boot/9334E85A7D36C17DBEE4F81854E2F1645866C0696EEA24433AC187CBE6575671EB84BD6D774A98804391CBAFCFC931CE/System/Library/Caches/com.apple.kernelcaches/kernelcache.auxkc.CAF862D59166BD22CE05B096DDC1685CA3725175A41E436AC4B1D29D8F89635C2B79BF606EDBCBDE1282FAEC5F559E73 (25966FB4-9792-D048-11B5-E51FCA0F69BB): Extension Information: com.magewell.ProCaptureDriver 1300.42.47 /Library/StagedExtensions/Library/Extensions/ProCaptureDriver.kext com.magewell.ProCaptureEvent 1300.42.47 /Library/StagedExtensions/Library/Extensions/ProCaptureEvent.kext

We found an out-of-bounds memory access in our code.