Monthly issue metrics report

[github-actions]

Issue Metrics

Metric	Average	Median	90th percentile
Time to first response	1 day, 8:40:33	3:56:20	2 days, 12:33:28
Time to close	9 days, 21:10:50	4 days, 11:25:49	24 days, 18:58:38
Time to answer	None	None	None

Metric	Count
Number of items that remain open	17
Number of items closed	6
Total number of items created	23

Title	URL	Assignee	Author	Time to first response	Time to close	Time to answer
Enhancement proposal: empty-chunk-aware read path (array.prefetch_populated_keys)	#3929	None	espg	3:56:20	None	None
newtype pattern to protect against sloppy path normalization	#3923	None	d-v-b	None	None	None
Regression: FsspecStore over ReferenceFileSystem fails with GroupNotFoundError (path '/' joined as '//key')	#3922	None	TomNicholas	0:02:33	15:40:38	None
The documentation seems outdated	#3918	None	OyvindJakobsson	0:01:32	2 days, 1:12:23	None
design for ArraySpec	#3916	None	d-v-b	None	None	None
unnecessary methods on CodecPipeline	#3915	None	d-v-b	11 days, 4:42:19	None	None
upstream basic metadata classes	#3913	None	d-v-b	None	None	None
don't put config-checking logic in rectangular chunk grid constructor	#3911	None	d-v-b	None	None	None
rectilinear vs rectangular chunk grid names	#3910	None	ianhi	0:39:12	6 days, 21:39:15	None
make data type registry static	#3904	None	d-v-b	None	None	None
given shape=(s,) chunks=(-1,) should mean (s,)	#3898	None	d-v-b	None	None	None
don't use __ as a prefix for variables in registry.py	#3893	None	d-v-b	None	2:35:29	None
Release Zarr-Python v3.2.0	#3888	None	maxrjones	None	22 days, 2:21:44	None
logically separate codec metadata from codec execution	#3884	None	d-v-b	None	None	None
Replace pre-commit.ci auto-updates with Renovate for release age gating	#3878	None	maxrjones	None	None	None
Add append method to VaryingDimension for explicit chunk extension	#3870	None	maxrjones	0:07:32	None	None
Consider Iterable[Iterable[int]] for ChunksLike instead of `Sequence[Sequence[int]]	#3869	None	maxrjones	None	None	None
Rename all_chunk_coords → iter_chunk_coords with deprecation shim for the old name	#3868	None	maxrjones	None	None	None
zarr v3 scale-offset codec, and should the codec API be defined upstream	#3867	None	d-v-b	4:47:06	27 days, 11:35:32	None
Provide informative errors when opening Icechunk data without the Icechunk storage transformer	#3866	None	maxrjones	8:31:15	None	None
update np.timedelta64 data type	#3862	None	d-v-b	None	None	None
Monthly issue metrics report	#3860	None	github-actions[bot]	None	None	None
Add public synchronous API for concurrent group/metadata operations	#3859	None	aladinor	7:17:06	None	None

This report was generated with the Issue Metrics Action
Search query used to find these items: repo:zarr-developers/zarr-python is:issue created:2026-04-01..2026-04-30 -reason:"not planned"