Monthly issue metrics report

[github-actions]

Issue Metrics

Metric	Average	Median	90th percentile
Time to first response	22:06:45	3:33:02	2 days, 23:54:31
Time to first review	None	None	None
Time to close	4 days, 6:39:15	2 days, 20:31:58	9 days, 14:36:32
Time to answer	None	None	None

Metric	Count
Number of items that remain open	13
Number of items closed	14
Total number of items created	27

Title	URL	Assignee	Author	Time to first response	Time to first review	Time to close	Time to answer
run all code snippets in docs	#4017	None	d-v-b	None	None	None	None
DOC: create_array() got an unexpected keyword argument 'mode'	#4016	None	sdebionne	0:00:29	None	None	None
remove random subchunk ordering from sharding codec	#4008	d-v-b	d-v-b	None	None	None	None
sharding codec equality broken due to new rng field	#4005	None	d-v-b	None	None	None	None
sharding codec subchunk write order does not round-trip through pickling	#4004	None	d-v-b	None	None	None	None
zarr-metadata tags break zarr tag-based versioning	#3993	None	d-v-b	None	None	1 day, 11:20:43	None
Release Zarr-Python v3.2.2	#3991	None	d-v-b	None	None	None	None
test cleanup / consolidation	#3989	None	d-v-b	None	None	None	None
[lazy indexing] lazy indexing tracking issue	#3985	None	d-v-b	None	None	None	None
Regression in support for indexing into structured arrays within a Zarr store (v2 -> v3)	#3983	None	rachitk	2 days, 8:58:55	None	None	None
Bug: delete_dir in stateful test uses raw startswith for bookkeeping, causing flaky KeyError in delete_group_using_del	#3977	None	d-v-b	None	None	None	None
deprecate old creation functions	#3976	None	d-v-b	17:25:33	None	None	None
explicitly encode chunk grid shape in _ShardIndex	#3974	None	d-v-b	None	None	3 days, 21:50:59	None
what is the right environment for type checking	#3969	None	d-v-b	None	None	2 days, 0:53:36	None
chore: remove uv.lock	#3965	None	d-v-b	1 day, 22:37:39	None	1 day, 22:37:39	None
remove v2/support branch	#3964	None	maxrjones	3 days, 3:38:25	None	None	None
feature(zarr-metadata): partial metadata	#3960	None	d-v-b	3:33:02	None	11 days, 1:39:44	None
bug(zarr-metadata): attributes missing from GroupMetadataV2	#3959	None	d-v-b	None	None	3 days, 13:14:25	None
zarr 3.2.x breaks kerchunk	#3958	None	avalentino	7:21:46	None	2 days, 3:49:30	None
Consolidated Metadata Not Passed Down	#3954	None	ilan-gold	3 days, 4:57:53	None	4 days, 20:54:31	None
Performance: fetch inner chunks concurrently within a shard	#3953	None	maxrjones	2:10:27	None	14 days, 16:23:47	None
Run-Length Encoding input is not properly supported by RectilinearChunkGrid	#3946	None	maxrjones	0:09:58	None	6 days, 4:49:03	None
Release Zarr-Python v3.2.1	#3945	None	d-v-b	None	None	5 days, 18:40:28	None
memory:// URL scheme no longer routes to fsspec, breaking interop with MemoryFileSystem	#3939	None	maxrjones	0:08:38	None	1 day, 14:23:16	None
CastValue endianness bug	#3937	None	LDeakin	0:20:29	None	12:00:22	None
CastValue wrap validation bug	#3936	None	LDeakin	0:04:29	None	2:31:24	None
wrapping tensorstore/zarrs	#3934	None	d-v-b	None	None	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:2026-05-01..2026-05-31 -reason:"not planned"