dav1d 0.6.0 'Gyrfalcon', the fast and lean AV1 decoder This is a major update of the dav1d, the fast and lean AV1 decoder, codename 'Gyrfalcon'. 0.6.0 brings major improvements in 10/12bit decoding on ARMv8 CPUs, up to 2.5 times faster than 0.5.2. It also brings new AVX-512, AVX2 and SSSE3 optimizations and improves the existing optimizations on all platforms. Finally, it also fixes some decoder mismatches and minor crashes.