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DOC: fix v3 migration guide store table#3850

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nuglifeleoji wants to merge 5 commits into
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nuglifeleoji:doc/fix-store-migration-guide
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DOC: fix v3 migration guide store table#3850
nuglifeleoji wants to merge 5 commits into
zarr-developers:mainfrom
nuglifeleoji:doc/fix-store-migration-guide

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@nuglifeleoji

@nuglifeleoji nuglifeleoji commented Mar 30, 2026

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Closes #2699. Closes #2857.

  • Removes a truncated/broken table row (| zarr.)
  • Adds a migration note for LRUStoreCache, which was removed in v3 with no direct equivalent

Leo Ji added 2 commits March 30, 2026 12:52
…note

Removes truncated table row and adds migration note for LRUStoreCache.
Closes zarr-developers#2699. Closes zarr-developers#2857.

Made-with: Cursor
@github-actions github-actions Bot added the needs release notes Automatically applied to PRs which haven't added release notes label Mar 30, 2026
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codecov Bot commented Jun 25, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.62%. Comparing base (6876120) to head (891a6a5).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #3850   +/-   ##
=======================================
  Coverage   93.62%   93.62%           
=======================================
  Files          90       90           
  Lines       11936    11936           
=======================================
  Hits        11175    11175           
  Misses        761      761           
🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

N5 formatted data.
- `ABSStore` - use the [`zarr.storage.FsspecStore`][] instead along with fsspec's
[adlfs backend](https://github.com/fsspec/adlfs).
- `LRUStoreCache` - no direct equivalent in Zarr-Python 3. Caching behaviour can be

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maybe this can be updated to refer to the CacheStore that we added to the experimental module.

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DOC: LRUStoreCache removed in Zarr 3.0, not documented AttributeError: module 'zarr.storage' has no attribute 'DirectoryStore'

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