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FixedScaleOffset flattens arrays, breaking further image codecs

Status: Open.

#852In zarr-developers/numcodecs;

· raphaeljolivet opened on Aug 3, 2026

vlen and filter codecs encode F-contiguous arrays in memory order, not logical order

Status: Open.

#850In zarr-developers/numcodecs;

· oldrobotdev opened on Jul 2, 2026

Restore zarr-python v2 compatibility in 0.16.x by re-exporting cbuffer_sizes / cbuffer_metainfo

Status: Open.

#849In zarr-developers/numcodecs;

· mkitti opened on Jun 20, 2026

Release 0.15.2?

Status: Open.

#847In zarr-developers/numcodecs;

· mkitti opened on Jun 20, 2026

Can't roundtrip compression/decompression with empty numpy array

Status: Open.

#831In zarr-developers/numcodecs;

· pfackeldey opened on Mar 20, 2026

numcodecs.LZ4 not compatible with lz4.fram and cramjam.lz4

Status: Open.

#816In zarr-developers/numcodecs;

· Rachit931 opened on Feb 11, 2026

RFC: Lossless fixed-width integer bit-packing codec for ADC-style data

Status: Open.

#813In zarr-developers/numcodecs;

· sakshi2433 opened on Dec 25, 2025

ZFP with Zarr breaks when data is a view

Status: Open.

#812In zarr-developers/numcodecs;

· tasansal opened on Dec 17, 2025

RuntimeError: error during blosc decompression: -1

Status: Open.

#810In zarr-developers/numcodecs;

· alxmrs opened on Nov 24, 2025

BitRound codec returns NaN if keepbits has dtype int32 instead of int64

Status: Open.

#793In zarr-developers/numcodecs;

· huard opened on Oct 10, 2025

Consider supporting SZ

Status: Open.

#770In zarr-developers/numcodecs;

· ashiklom opened on Jul 24, 2025

monorepo

Status: Open.

#769In zarr-developers/numcodecs;

· d-v-b opened on Jul 21, 2025