Issues

• mingw Debug tests are failing (because of wrong ktx_off_t definition)

  KhronosGroup/KTX-Software#1263 · opened on Oct 5, 2026

• ktxTexture_CreateFromMemory/NamedFile leak the stream when the input is not a KTX file

  KhronosGroup/KTX-Software#1260 · opened on Sep 30, 2026

• Heap over-read inflating a zstd/zlib level that ends after level 0

  KhronosGroup/KTX-Software#1259 · opened on Sep 29, 2026

• After zstd/zlib inflation, dataSize exceeds the allocated buffer by level 0's padding

  KhronosGroup/KTX-Software#1258 · opened on Sep 29, 2026

• ktxFormatSize_initFromDfd loops forever on a descriptor block of size 0

  KhronosGroup/KTX-Software#1257 · opened on Sep 29, 2026

• ktxTexture2_transcodeLzEtc1s leaks firstImages when a slice has no alpha data

  KhronosGroup/KTX-Software#1256 · opened on Sep 29, 2026

• ktxCheckHeader2_: level count check shifts by 32 or more (UB) and accepts levelCount 33

  KhronosGroup/KTX-Software#1255 · opened on Sep 29, 2026

• ETC1S palettes/tables that fail to decode are transcoded anyway.

  KhronosGroup/KTX-Software#1254 · opened on Sep 29, 2026
  1

• outdated fmt version causes issues with libc++ (clang)

  KhronosGroup/KTX-Software#1253 · opened on Sep 29, 2026
  2

• Publish Linux pyktx wheels to PyPI

  KhronosGroup/KTX-Software#1250 · opened on Sep 18, 2026
  1

• ClangCL Windows 10 build errors (ClangCL v16.0.5)

  KhronosGroup/KTX-Software#1248 · opened on Sep 9, 2026
  1

• Feature request: transcode individual mip levels from a partially-downloaded KTX2 file (progressive texture streaming)

  KhronosGroup/KTX-Software#1224 · opened on Jul 23, 2026
  9

• Feature request: record mipmap generation options for ktx create/encode

  KhronosGroup/KTX-Software#1196 · opened on Jun 24, 2026
  5

• Transcoding to BC5 from UASTC yields potentially erroneous output

  KhronosGroup/KTX-Software#1191 · opened on Jun 21, 2026
  11

• Build failure using gcc 16.1.0

  KhronosGroup/KTX-Software#1172 · opened on May 18, 2026
  4

• Zip format releases

  KhronosGroup/KTX-Software#1042 · opened on Jul 9, 2025
  4

• Support cubemap cross single image source for cubemap generation

  KhronosGroup/KTX-Software#1021 · opened on May 13, 2025
  1

• libktx: install format headers?

  KhronosGroup/KTX-Software#1020 · opened on Apr 18, 2025
  3

• 3 more issues with ktx create and EXR loading

  KhronosGroup/KTX-Software#971 · opened on Jan 1, 2025

• ktx create not doing verbatim copy of EXR half_float. Also "Not enough precision" error message is unclear.

  KhronosGroup/KTX-Software#970 · opened on Jan 1, 2025
  3

• No way to have different wrap modes for U and V when generating mipmaps

  KhronosGroup/KTX-Software#962 · opened on Dec 3, 2024

• Synchronizing auto-generated files with bindings

  KhronosGroup/KTX-Software#887 · opened on Mar 26, 2024
  2

• samplePositions possibly incorrect for single-plane 4:2:2 YUV formats

  KhronosGroup/KTX-Software#872 · opened on Mar 20, 2024
  4

• Feature request: Tool to create combined image by gathering channels from input images

  KhronosGroup/KTX-Software#839 · opened on Jan 16, 2024
  8

• Support equirectangular cubemap projections

  KhronosGroup/KTX-Software#814 · opened on Dec 4, 2023
  2