Issues

• Macro issues in iowin32.c

  madler/zlib#1362 · Filter by author irwir opened on Nov 4, 2026

• Add Zig package support (build.zig + build.zig.zon)

  madler/zlib#1340 · Filter by author by965738071 opened on Oct 19, 2026

• Typo: SENTIVE -> SENSITIVE

  madler/zlib#1312 · Filter by author schwehr opened on Sep 10, 2026
  2

• Version property in minizip.pc

  madler/zlib#1251 · Filter by author dg0yt opened on May 29, 2026
  7

• Optimize put_short() macro in trees.c by caching pending state and emitting two bytes together

  madler/zlib#1241 · Filter by author ParkHanbum opened on May 21, 2026
  3

• CMake: Configured zconf.h may be incorrect depending on SCM software

  madler/zlib#1232 · Filter by author oold opened on May 6, 2026
  9

• versioned symbol coverage

  madler/zlib#1228 · Filter by author gordonmessmer opened on May 3, 2026
  4

• CMake is unable to find the static library for zlib v1.3.2 during the libpng configuration

  madler/zlib#1207 · Filter by author sincos2854 opened on Mar 17, 2026
  2

• Add SPDX licence and copyright to all source/headers files

  madler/zlib#1192 · Filter by author seanm opened on Mar 2, 2026
  1

• Race condition in win32/Makefile.gcc during parallel builds (-j) on Windows

  madler/zlib#1187 · Filter by author Watson1978 opened on Feb 28, 2026
  1

• [windows] Building a shared library through different build systems produces inconsistent binaries

  madler/zlib#1186 · Filter by author luau-project opened on Feb 26, 2026
  1

• How to build zlibwapi.dll with zlib 1.3.2?

  madler/zlib#1183 · Filter by author Spatzendame opened on Feb 23, 2026
  19

• preprocessor warnings in zconf.h

  madler/zlib#1169 · Filter by author manxorist opened on Feb 18, 2026
  8

• make clean fails in out-of-tree builds

  madler/zlib#1087 · Filter by author 251 opened on Sep 26, 2025
  5

• IBM S390X contrib cleanup

  madler/zlib#1050 · Filter by author fneddy opened on Feb 25, 2025
  4

• zlib.pc vs windows

  madler/zlib#988 · Filter by author anarazel opened on Jun 30, 2024
  2

• MINGW build failing in coverage tests

  madler/zlib#935 · Filter by author pmqs opened on Feb 11, 2024
  6

• minizip binaries are built with flags that hide warnings

  madler/zlib#875 · Filter by author asklar opened on Nov 14, 2023
  5

• change in behavior after updating unzOpen to unzOpen2_64 (unzip.c) function.

  madler/zlib#864 · Filter by author awinatri opened on Oct 9, 2023
  4

• IBM Power Processors and Zlib

  madler/zlib#847 · Filter by author Neustradamus opened on Aug 23, 2023
  2

• unzOpenInternal() return UNZ_BADZIPFILE

  madler/zlib#825 · Filter by author cracy3m opened on Jun 25, 2023
  3

• zlib.csproj shows an error when working with nuget-inspector

  madler/zlib#815 · Filter by author sankalpa-menon opened on May 17, 2023

• Check for error might have been needed

  madler/zlib#805 · Filter by author irwir opened on Apr 19, 2023
  2

• Issues with zipOpenNewFileInZip2_64() in Minizip

  madler/zlib#799 · Filter by author yliu-MW opened on Apr 6, 2023
  1

• Build ZLIB with fvisibility=hidden on Linux

  madler/zlib#788 · Filter by author cyrillicw opened on Mar 2, 2023
  3