Monthly issue metrics report

[github-actions[bot]]

Issue Metrics

Metric	Average	Median	90th percentile
Time to first response	11:45:03	0:09:50	10:31:49
Time to close	2 days, 10:53:11	23:36:35	6 days, 0:34:13
Time to answer	None	None	None

Metric	Count
Number of items that remain open	30
Number of items closed	7
Total number of items created	37

Title	URL	Assignee	Author	Time to first response	Time to close	Time to answer
Failure to list keys on remote HTTP store	https://github.com/zarr-developers/zarr-python/issues/3495	None	ianhi	None	None	None
future of zarr.numcodecs	https://github.com/zarr-developers/zarr-python/issues/3493	None	d-v-b	None	None	None
DOC: Add documentation for threading.max_workers config	https://github.com/zarr-developers/zarr-python/issues/3492	None	dstansby	None	None	None
codec x dtype interactions	https://github.com/zarr-developers/zarr-python/issues/3491	None	d-v-b	None	None	None
Explicitly using fsspec and zarr FsspecStore causes RuntimeError "Task attached to a different loop"	https://github.com/zarr-developers/zarr-python/issues/3487	None	dmitriyrepin	None	None	None
add an experimental module	https://github.com/zarr-developers/zarr-python/issues/3484	None	d-v-b	11:18:21	7 days, 11:44:54	None
PCodec broken - UnknownCodecError	https://github.com/zarr-developers/zarr-python/issues/3482	None	rabernat	0:04:48	15:30:47	None
create_array() with shards and data parameter only partially writes data	https://github.com/zarr-developers/zarr-python/issues/3479	None	dtonagel	0:03:07	2 days, 18:25:31	None
np.float32(np.nan) is not a valid attribute value	https://github.com/zarr-developers/zarr-python/issues/3478	None	rabernat	0:04:14	None	None
'fsspec.implementations' has no attribute 'asyn_wrapper'	https://github.com/zarr-developers/zarr-python/issues/3473	None	TomNicholas	0:03:40	5 days, 1:07:05	None
should the default path for the FsspecStore be "/" or ""	https://github.com/zarr-developers/zarr-python/issues/3471	None	d-v-b	None	None	None
concerns about hatch	https://github.com/zarr-developers/zarr-python/issues/3470	None	d-v-b	6 days, 18:08:19	None	None
Bytes array + ellipsis slicing -> IndexError: too many indices for array; expected 0, got 1	https://github.com/zarr-developers/zarr-python/issues/3469	None	cmalinmayor	0:05:17	None	None
Use concurrent writes for v2 > v3 conversion CLI	https://github.com/zarr-developers/zarr-python/issues/3468	None	K-Meech	None	None	None
Support any combination of numcodecs codecs in v2 > v3 conversion CLI	https://github.com/zarr-developers/zarr-python/issues/3467	None	K-Meech	None	None	None
Support consolidated metadata in v2 > v3 conversion CLI	https://github.com/zarr-developers/zarr-python/issues/3466	None	K-Meech	None	None	None
add "experimental" disclaimer to cli help content	https://github.com/zarr-developers/zarr-python/issues/3465	None	d-v-b	None	None	None
DOC: add an example of create_array with no compression	https://github.com/zarr-developers/zarr-python/issues/3464	None	d-v-b	None	None	None
Opening Icechunk using Zarr 3.0 in a flask context	https://github.com/zarr-developers/zarr-python/issues/3463	None	adanb13	0:24:27	None	None
Release Zarr-Python v3.1.3	https://github.com/zarr-developers/zarr-python/issues/3462	None	d-v-b	10:00:48	None	None
the future of zarr.codecs.numcodecs	https://github.com/zarr-developers/zarr-python/issues/3461	None	d-v-b	None	None	None
v2/v3 differences for the crc32c codec	https://github.com/zarr-developers/zarr-python/issues/3460	None	d-v-b	None	None	None
numcodecs.gzip is not configured in the config	https://github.com/zarr-developers/zarr-python/issues/3458	None	K-Meech	0:01:48	4:40:26	None
deprecate / remove enums	https://github.com/zarr-developers/zarr-python/issues/3457	None	d-v-b	None	None	None
deprecate to_dict	https://github.com/zarr-developers/zarr-python/issues/3454	None	d-v-b	None	None	None
make remote dependencies more precise	https://github.com/zarr-developers/zarr-python/issues/3453	None	d-v-b	None	None	None
Feature Proposal: Add optional uvloop support for improved async performance	https://github.com/zarr-developers/zarr-python/issues/3451	jhamman	jhamman	None	None	None
Zarr v3: TypeError on float fill_value "0.0" for uint8 arrays—compatibility with legacy datasets	https://github.com/zarr-developers/zarr-python/issues/3447	None	thewtex	0:24:53	23:36:35	None
Are custom stores supported?	https://github.com/zarr-developers/zarr-python/issues/3446	None	Ozaq	8:26:42	None	None
API to open only an Array or only a Group from an exisiting Group	https://github.com/zarr-developers/zarr-python/issues/3445	None	dstansby	0:03:59	None	None
Unit test failure of zarr v3.1.x on BE architectures	https://github.com/zarr-developers/zarr-python/issues/3438	None	avalentino	0:09:50	None	None
Certain extension points of zarr are not implemented	https://github.com/zarr-developers/zarr-python/issues/3433	None	RFLeijenaar	0:28:05	None	None
Group.create_array() got an unexpected keyword argument 'exists_ok'	https://github.com/zarr-developers/zarr-python/issues/3430	None	dwest77a	0:09:50	1:07:02	None
Add API to Store interface to read directly into an output buffer	https://github.com/zarr-developers/zarr-python/issues/3429	None	TomAugspurger	5:47:40	None	None
BloscCodec is broken	https://github.com/zarr-developers/zarr-python/issues/3427	None	d-v-b	None	None	None
example that reveals inefficient sharded writes	https://github.com/zarr-developers/zarr-python/issues/3421	None	d-v-b	None	None	None
Monthly issue metrics report	https://github.com/zarr-developers/zarr-python/issues/3419	None	github-actions[bot]	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:2025-09-01..2025-09-30 -reason:"not planned"