Monthly issue metrics report

[github-actions]

Issue Metrics

Metric	Average	Median	90th percentile
Time to first response	11:44:43	4:18:47	1 day, 0:31:45
Time to first review	None	None	None
Time to close	5 days, 18:12:44	5 days, 19:32:26	11 days, 10:07:42
Time to answer	None	None	None

Metric	Count
Number of items that remain open	16
Number of items closed	20
Total number of items created	36

Title	URL	Assignee	Author	Time to first response	Time to first review	Time to close	Time to answer
FsspecStore.from_url() raises "RuntimeError: Loop is not running" during interpreter shutdown	#4221	None	hginzel	12:13:56	None	None	None
FsspecStore.from_mapper() fails with DefaultAzureCredential because AzureBlobFileSystem is not JSON serializable	#4220	None	hginzel	0:01:51	None	None	None
fully separate sync and async internal APIs	#4217	None	d-v-b	None	None	None	None
pass ruff >= 0.16	#4212	None	d-v-b	None	None	None	None
Link Checker Report	#4209	None	github-actions[bot]	None	None	7:41:37	None
docs for subpackage(s)	#4207	None	d-v-b	None	None	4:58:53	None
tests/benchmarks/test_e2e.py requires sudo	#4199	d-v-b	sehoffmann	0:03:53	None	1:09:59	None
Link Checker Report	#4195	None	github-actions[bot]	None	None	1 day, 7:32:43	None
Link Checker Report	#4190	None	github-actions[bot]	None	None	2 days, 7:29:13	None
Link Checker Report	#4188	None	github-actions[bot]	None	None	3 days, 7:41:46	None
Link Checker Report	#4186	None	github-actions[bot]	None	None	4 days, 7:43:34	None
Link Checker Report	#4185	None	github-actions[bot]	None	None	5 days, 7:30:22	None
Link Checker Report	#4184	None	github-actions[bot]	None	None	6 days, 7:34:29	None
Link Checker Report	#4180	None	github-actions[bot]	None	None	7 days, 7:36:53	None
Unergonomic error for when using the FusedCodecPipeline + Sharding with an inner async-only codec	#4178	None	d-v-b	None	None	6 days, 22:27:13	None
misplaced metadata creation methods on AsyncArray class	#4175	None	d-v-b	None	None	None	None
set_coordinate_selection runs out-of-memory for large arrays	#4174	None	sehoffmann	0:03:05	None	None	None
Link Checker Report	#4171	None	github-actions[bot]	None	None	8 days, 7:34:01	None
arr_1d[np.sort(idx)] can be much faster (CoordinateIndexer fast path)	#4170	None	selmanozleyen	0:01:06	None	7 days, 19:17:39	None
Link Checker Report	#4167	None	github-actions[bot]	None	None	9 days, 7:23:51	None
Link Checker Report	#4164	None	github-actions[bot]	None	None	10 days, 7:43:44	None
Link Checker Report	#4163	None	github-actions[bot]	None	None	11 days, 7:44:07	None
How to get default serializer?	#4162	None	JeppeKlitgaard	None	None	None	None
LocalStore listing lists .partial temp files	#4161	None	omar-merhebi	13:49:46	None	None	None
Link Checker Report	#4160	None	github-actions[bot]	None	None	12 days, 7:40:01	None
DOC: Unclear how to use Zarr3 ArrayBytesCodec	#4159	None	JeppeKlitgaard	2 days, 19:19:39	None	None	None
buffer aliasing in memory storage w/ no compression	#4156	None	d-v-b	None	None	13 days, 19:09:38	None
Link Checker Report	#4155	None	github-actions[bot]	None	None	2 days, 23:49:58	None
Release Zarr-Python v3.3.0	#4154	None	maxrjones	None	None	None	None
Ambiguous byte order semantics for "container" data types (namely, struct)	#4144	None	d-v-b	None	None	None	None
v3 structured dtype serialization drops per-field endianness (silent byte-order loss on metadata roundtrip)	#4141	d-v-b	emfdavid	4:18:47	None	1 day, 6:24:56	None
dev blog	#4131	None	d-v-b	None	None	None	None
consider non-mypy type checker	#4130	None	d-v-b	None	None	None	None
convenience method for creating a new temporary file system store	#4127	None	d-v-b	7:50:27	None	None	None
formalize symlink handling for file system store	#4126	None	d-v-b	None	None	None	None
Monthly issue metrics report	#4111	None	github-actions[bot]	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:2026-07-01..2026-07-31 -reason:"not planned"