SVT-AV1 4.1.0 released - Lemmy

## [4.1] - 2026-03-23 Encoder - Refactor MD, EncDec, and Entropy Coding kernels (!2604) - Improve Still Image coding efficiency (!2612, !2614) - Change Wiener Filter level for chroma for presets M3 and below (!2620) - Optimize Screen Content coding for Still Image (!2630) Arm - Refactor Subpixel Variance kernels (!2608) - Optimize 16b SAD kernel (!2610) - Fixed Neoverse V2 unit test detection (!2622) - Update Arm build guide (!2625) Bug fixes and documentation - Fixed a hang caused by improper variable looping (#2338, !2600) - Add missing option 2 for --enable-dlf’s help output (!2601) - Depth Refinement algorithmic bug fix (!2602) - Add mutexes to fix hangs when running multiple instances of the encoder in one process (!2603, !2605, !2619) - Fix motion calculation for cyclic QP refresh (!2613) - Fixed a Debug vs Release mismatch (!2618) - Fixed some new warnings with newer GCC versions (!2621, !2636) - Changed Temporal Filtering distortion calculation to not include padding (!2623) - Cleanup some dead unit tests (!2626) - Benchmark framework improvements (!2627) - CI/CD improvements (!2628) - Fixed some niche crashes (!2629) - Readd missing PredStructure enum without SVT_AV1 prefix (!2635) - Rename svt_log to prevent conflict with SVT-JPEG-XS (!2634) - General code and doc cleanup (!2606, !2607, !2609, !2611, !2616, !2617, !2624, !2631, !2633, !2637)