- Add lzw reader/writer
- ci: test against go1.27.x, drop go1.24.x
- flate: Writer L7-9 with dictionary can emit the dictionary to stream
- gzhttp: limit jitter hash to jitterBuffer bytes
- s2: arm64 assembly encoders, lowered from the amd64 avo program
- s2: clamp the Go EncodeBetter skip to match the assembly
- xpress: add Microsoft XPRESS (MS-XCA) decompression
- xxhash: bound input of non-preemptive assembly
- zstd, huff0: improved arm64 lowering, and narrow two table loads to MOVWQZX
- zstd/huff0: break false partial-register dependencies in seqdec/4X decoders
- zstd/huff0: fold two ISA-gap x86 idioms in the avo arm64 lowering
full diff: https://github.com/klauspost/compress/compare/v1.19.2...v1.20.0
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>