PyPI · #2540 most downloaded on PyPI

tensorstore

0.1.852.5M downloads/mogoogle/tensorstore ↗New releases in your daily digest, changelog included.

Read and write large, multi-dimensional arrays

Last release 2 months ago
05 Aug 2026
Ships fairly regularly
a new release about every 5 weeks
Rarely documented
notes for 1 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
7 years old
83 releases · first in 2020

Release timeline

83 releases since 2020

2020202120222023202420252026

20202026

One column per quarter.

Releases

0.1.855 Aug 2026
This project publishes no release notes. Between v0.1.84 and v0.1.85 there were 191 commits, 172 of them substantive:
This project publishes no release notes. Between v0.1.84 and v0.1.85 there were 191 commits, 172 of them substantive:

Begin examining how to best add structured array support to Zarr v3 driver

Updates to have proper reads

Local testing and examples

Begin adding support for opening struct arrays as void and add support for raw bits dtype

Fix failing tests

Resolve issues with opening struct as void

Remove debug print

Add field for open as void

Add a shim for new open_as_void flag open option

Revert some formatting changes

revert gitignore changes

V3 structs remove shim (#2)

Fix structured fill value population

V3 examples merge (#3)

Remove vestigial example build

V3 structs fix fills (#4)

Add new options to schema

Fix copyright header date

Cleanup (#5)

Merge zarr3 structured dtype support

…and 152 more.
0.1.8416 May 2026
This project publishes no release notes. Between v0.1.83 and v0.1.84 there were 3 commits, 3 of them substantive:
This project publishes no release notes. Between v0.1.83 and v0.1.84 there were 3 commits, 3 of them substantive:

gcs_grpc kvstore: Only validate crc32c on full reads

Add an ocdbt_check command to tscli.

Ensure that returning EIO from ::close() propagates to operation status.

0.1.836 May 2026

This project publishes no release notes. Between v0.1.82 and v0.1.83 there were 14 commits, 14 of them substantive:

This project publishes no release notes. Between v0.1.82 and v0.1.83 there were 14 commits, 14 of them substantive:

Update bazelisk to https://github.com/bazelbuild/bazelisk/blob/d03b5edfb24203a42103123434a78f633a682a43/bazelisk.py
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Use lambdas in place of std::bind
Some bazel_to_cmake improvements
Split third_party/local_proto_mirror into separate repositories.
Remove unused variable
Fixing a few errors with additional -W options.
bazel_to_cmake updates.
Improve some bazel-to-cmake translation affecting AOM.
bazel_to_cmake modernize type hints
When specified, ignore gcs_grpc timeout values below 250ms.
bazel_to_cmake: WIP basic bzlmod functionality.
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0.1.8213 Mar 2026

This project publishes no release notes. Between v0.1.81 and v0.1.82 there were 39 commits, 36 of them substantive:

This project publishes no release notes. Between v0.1.81 and v0.1.82 there were 39 commits, 36 of them substantive:

Update a bunch of tensorstore third_party dependencies
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Update more third_party deps
Update curl to 8.18
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Update tensorstore third_party deps
Upgrade GitHub Actions for Node 24 compatibility
Upgrade GitHub Actions to latest versions
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Update sphinx-immaterial repo
Significant reworking of TENSORSTORE macros to use StatusBuilder.
http: Preserve encoded reserved characters in the uri.

…and 16 more.

0.1.816 Feb 2026

This project publishes no release notes. Between v0.1.80 and v0.1.81 there were 70 commits, 64 of them substantive:

This project publishes no release notes. Between v0.1.80 and v0.1.81 there were 70 commits, 64 of them substantive:

Docs: replace varint references with uleb128
Fix test expectations on some compilers
Upgrade GitHub Actions for Node 24 compatibility
Upgrade GitHub Actions to latest versions
Branch kvstore tests into separate files & function isolation.
Add OCDBT undump functions
Add more logging for gcs_grpc and some other grpc uses.
Add additional live tests for kvstore
Add transparent hugepage allocation methods
Add open_as_void option to zarr v2 driver (#6)
Remove default open_as_void from definitions
Use derived DataCache for open_as_void
Fix compile issues for missing argument
Correct tests, add argument comment for open as void value
Add test coverage for GetSpecInfo
Resolve feedback https://github.com/google/tensorstore/pull/272#discussion_r2663351949 and extend test coverage
Resolve feedback https://github.com/google/tensorstore/pull/272#discussion_r2663353574 and extend test coverage
Resolve feedback https://github.com/google/tensorstore/pull/272/changes/BASE..a42b6f511375dc1bd402ad525519f57210546735#r2666111665
Resolve feedback https://github.com/google/tensorstore/pull/272#discussion_r2666195572 Use synthesized open_as_void field
Resolve feedback https://github.com/google/tensorstore/pull/272/changes/BASE..7fb91d751f24a1dd479fd389378f9e6ad33c8112#r2669500148 Make the schema valid

…and 44 more.

0.1.8010 Dec 2025

This project publishes no release notes. Between v0.1.79 and v0.1.80 there were 21 commits, 20 of them substantive:

This project publishes no release notes. Between v0.1.79 and v0.1.80 there were 21 commits, 20 of them substantive:

local_python_runtime needs to pass defines like Py_GIL_DISABLED
Add Py_GIL_DISABLED define when --@rules_python//python/config_settings:py_freethreaded=yes
Remove now unused grpc patch
Refactor individual gcs_grpc operations into separate files.
Convert batch Request type from tuple<> to a struct type with traits detection.
Prefer to_json method when casting to json types.
update googleapis
Remove unnecessary patches from grpc
kvstore/gcs_grpc updates:
Update pypa ml-dtypes 0.5.4 and numpy
Avoid exceptions in concurrent tests
Add Float4e2m1fn support in tensorstore.
Mark kvstore s3 localstack test large
Allow ForEachCoalescedRequest to accept ranges which have an unbounded max.
Fix kvstore type annotations and move py.typed file to correct location
Fix comparisons for mxfloat types.
Add tests for type default construction
Update custom numeric data types to use default constructor.
Add some additional data type tests
Add methods to compare and construct deltas from CollectedMetric.

0.1.7911 Nov 2025

This project publishes no release notes. Between v0.1.78 and v0.1.79 there were 34 commits, 34 of them substantive:

This project publishes no release notes. Between v0.1.78 and v0.1.79 there were 34 commits, 34 of them substantive:

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Fix stack driver serialization issue
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Remove presently unused aws libraries.
trivial log change in bazel local_python_runtime rule
Use --asyncio-mode=auto for pytest-asyncio to avoid explicit pytest.mark.asyncio
Allow Python Future and Promise classes to behave like generic classes
Fix type annotations for tensorstore Python API and tests

…and 14 more.

0.1.786 Oct 2025

PiperOrigin-RevId: 815754870 Change-Id: I463758a0185f0dd0e67a5595378d5e44d62441b1

PiperOrigin-RevId: 815754870
Change-Id: I463758a0185f0dd0e67a5595378d5e44d62441b1

Open source →

Additional notes

This project publishes no release notes. Between v0.1.77 and v0.1.78 there were 18 commits, 18 of them substantive:

Fully qualify types in kvstore common metrics macros
Update pypa repositories
Replace uses of tensorstore::MatchesStatus with StatusIs + HasSubstr or MatchesRegex
Add cibuildwheel build-frontend setting
Exclude cp314-* builds for now.
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Update build scripts for macos deployment and to exclude cp314t
revert MACOSX_DEPLOYMENT_TARGET in cibuildwheel.py
Update files to better handle network shares.
Modify assertions in Future<T>.
Reset gcs_grpc read working state in retry cases.

0.1.7720 Sept 2025

This project publishes no release notes. Between v0.1.76 and v0.1.77 there were 69 commits, 69 of them substantive:

This project publishes no release notes. Between v0.1.76 and v0.1.77 there were 69 commits, 69 of them substantive:

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Fixes for C++23
Improve tests for Spec::FromUrl and url_registry for | syntax.
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Improve tensorstore file:// uri parsing
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s3: Improve AWS checksum validation
Enable http proxies on windows
Add file_io_mode context flag
ocdbt only align large writes (>4mb) to block boundaries.
Workaround https://developercommunity.visualstudio.com/t/10939927
Separate repo.bzl third_party_http_archive and third_party_python_repository rules
Update abseil_cpp version
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Load @rules_python
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…and 49 more.