Cargo
flate2
DEFLATE compression and decompression exposed as Read/BufRead/Write streams. Supports miniz_oxide and multiple zlib implementations. Supports zlib, gzip, and raw deflate streams.
deflategzipzlibzlib-ng
github.com/rust-lang/flate2-rsMITSebastian Thiel, Josh Triplett, rust-lang-owner +116.2M / week1.1k · 207 forks · 124 contributors
Release cadenceEvery 2 months
Last releaseAug 28, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
59 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionVersionChannelDateChangesSecurity
1.1.10 StableAug 28, 2026Breaking1Security1New3Changed3Fixed2Other31.1.9 StableFeb 3, 2026New1Changed1Other21.1.8 StableJan 12, 2026New1Other21.1.7 YankedDec 5, 2025Changed2Other21.1.6 YankedDec 5, 2025Changed2Other21.1.5 StableOct 24, 2025Changed11.1.4 StableOct 5, 2025Changed11.1.3 StableOct 5, 2025New3Changed2Fixed1Other21.1.2 StableJun 7, 2025New3Other31.1.1 StableApr 2, 2025Breaking1Changed1Other41.1.0 StableFeb 24, 2025New9Changed6Fixed2Other31.0.35 youStableNov 14, 2024Other21.0.34 StableSep 26, 2024New1Changed1Other31.0.33 StableAug 24, 2024Fixed11.0.32 StableAug 20, 2024Fixed1Other51.0.31 StableAug 3, 2024Breaking1Other21.0.30 StableApr 29, 2024Changed1Fixed21.0.29 StableApr 26, 2024New3Fixed2Other11.0.28 StableOct 13, 2023No changes listed1.0.27 StableAug 15, 2023No changes listed