Repository navigation

Optional c-blosc2 backend for Blosc that writes Blosc1-format chunks - #879

Open

mkitti wants to merge 12 commits into

zarr-developers:mainfrom

mkitti:blosc2-meson

Open

Optional c-blosc2 backend for Blosc that writes Blosc1-format chunks#879
mkitti wants to merge 12 commits into
zarr-developers:mainfrom
mkitti:blosc2-meson

Commits on Oct 20, 2026
- Add c-blosc2 meson wrap with a Blosc1-format patch series
  
  mkitti
  and
  claude
  committed
  be18d32
- Add an optional c-blosc2 backend for the Blosc codec
  
  mkitti
  and
  claude
  committed
  f65406b
- Fix CI for the c-blosc2 backend
  
  mkitti
  and
  claude
  committed
  df76664
- Note the upstream c-blosc2 issue and PR for patch 0001
  
  mkitti
  and
  claude
  committed
  b106205
- Run the test suite on the c-blosc2 backend in CI
  
  mkitti
  and
  claude
  committed
  1e918ee
- Check out the submodule in the c-blosc2 backend test job
  
  mkitti
  and
  claude
  committed
  814803c
- Add tests for Blosc frame validation, blocksize handling and the c-blosc2 package
  
  mkitti
  and
  claude
  committed
  c603e68
Commits on Oct 22, 2026
- Build c-blosc2 from the Blosc1-format branch instead of patching it
  
  mkitti
  and
  claude
  committed
  7a806bc
- Add property-based tests and CI for Blosc1 compatibility
  
  mkitti
  and
  claude
  committed
  e014c8f
- Update the c-blosc2 pin to the reviewed Blosc1 format writer
  
  mkitti
  and
  claude
  committed
  cb5bb75
- Build c-blosc2 from upstream main
  
  mkitti
  and
  claude
  committed
  a1cfa15
Commits on Oct 23, 2026
- Update the c-blosc2 pin to current upstream main
  
  mkitti
  and
  claude
  committed
  492ab11