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vpython-v0.35.0-beta.0 scope: python Breaking

This release includes breaking changes for platform teams planning a safe upgrade.

Published 17d Vector Databases
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

approximate-nearest-neighbor-search image-search nearest-neighbor-search recommender-system search-engine semantic-search
+2 more
similarity-search vector-db

ReleasePort's take

Moderate signal
editorial:auto 11d

The release of python‑v0.35.0‑beta.0 breaks the `Permutation.with_format("torch")` API alignment with HuggingFace's `set_format("torch")`. Several new features and bug fixes are also introduced.

Why it matters: Affects code using Permutation torch formatting; severity score 70 indicates high impact on integration workflows.

Summary

AI summary

Updates 🎉 New Features, feat, and 🐛 Bug Fixes across a mixed release.

Changes in this release

Breaking High

breaks `Permutation.with_format("torch")` alignment with HuggingFace `set_format("torch")`

breaks `Permutation.with_format("torch")` alignment with HuggingFace `set_format("torch")`

Source: llm_adapter@2026-07-16

Confidence: low

 —
Breaking High

Aligns `Permutation.with_format(

Aligns `Permutation.with_format(

Source: granite4.1:30b@2026-07-16-audit

Confidence: low

 —
Feature Medium

adds elastic dataloader as an iterable dataset

adds elastic dataloader as an iterable dataset

Source: llm_adapter@2026-07-16

Confidence: low

 —
Feature Medium

supports date, datetime, bytes, and Decimal literals in expr builder

supports date, datetime, bytes, and Decimal literals in expr builder

Source: llm_adapter@2026-07-16

Confidence: low

 —
Feature Medium

adds `get_lsm_write_spec` to read the installed LSM write spec

adds `get_lsm_write_spec` to read the installed LSM write spec

Source: llm_adapter@2026-07-16

Confidence: low

 —
Feature Medium

adds Tencent COS and GooseFS object store support via new feature flags

adds Tencent COS and GooseFS object store support via new feature flags

Source: llm_adapter@2026-07-16

Confidence: low

 —
Feature Medium

exposes Lance metrics via OpenTelemetry in Python and Node

exposes Lance metrics via OpenTelemetry in Python and Node

Source: llm_adapter@2026-07-16

Confidence: low

 —
Bugfix Medium

handles empty or wrong-length vectors returned by embedding functions

handles empty or wrong-length vectors returned by embedding functions

Source: llm_adapter@2026-07-16

Confidence: low

 —
Bugfix Medium

resolves Ollama embedding serialization error in `create_table` (Python)

resolves Ollama embedding serialization error in `create_table` (Python)

Source: llm_adapter@2026-07-16

Confidence: low

 —
Bugfix Medium

prevents `flatten_columns` from raising when `flatten=False` (Python)

prevents `flatten_columns` from raising when `flatten=False` (Python)

Source: llm_adapter@2026-07-16

Confidence: low

 —
Bugfix Medium

avoids manifest writes for read‑only directory namespace opens

avoids manifest writes for read‑only directory namespace opens

Source: llm_adapter@2026-07-16

Confidence: low

 —
Full changelog

🛠 Breaking Changes

  • feat(python)!: align Permutation.with_format("torch") with HuggingFace set_format("torch") by @omkar-334 in https://github.com/lancedb/lancedb/pull/3369

🎉 New Features

  • feat: add an elastic dataloader as an iterable dataset by @westonpace in https://github.com/lancedb/lancedb/pull/3509
  • feat: support date, datetime, bytes, and Decimal literals in expr builder by @lakshjain7 in https://github.com/lancedb/lancedb/pull/3235
  • feat(python)!: align Permutation.with_format("torch") with HuggingFace set_format("torch") by @omkar-334 in https://github.com/lancedb/lancedb/pull/3369
  • feat: add get_lsm_write_spec to read the installed LSM write spec by @hamersaw in https://github.com/lancedb/lancedb/pull/3631
  • feat: add Tencent COS and GooseFS object store support via new feature flags by @XuQianJin-Stars in https://github.com/lancedb/lancedb/pull/3526
  • feat: expose Lance metrics via OpenTelemetry in Python and Node by @wjones127 in https://github.com/lancedb/lancedb/pull/3609

🐛 Bug Fixes

  • fix: handle empty/wrong-length vectors returned by embedding functions by @Spectual in https://github.com/lancedb/lancedb/pull/3192
  • fix(python): resolve Ollama embedding serialization error in create_table by @Missing-Identity in https://github.com/lancedb/lancedb/pull/3583
  • fix(python): flatten_columns raises when flatten=False by @PranavAchar01 in https://github.com/lancedb/lancedb/pull/3629
  • fix: avoid manifest writes for read-only directory namespace opens by @Xuanwo in https://github.com/lancedb/lancedb/pull/3635

🔧 Build and CI

  • ci: add CODEOWNERS file for sensitive paths by @octo-patch in https://github.com/lancedb/lancedb/pull/3312
View diff on GitHub

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Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

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Related context

Related tools

Earlier breaking changes

  • v0.32.0-beta.0 breaks `Permutation.with_format(
  • v0.30.0-beta.0 Fixes nested field paths support in native index creation
  • vpython-v0.32.0 Namespace naming and enterprise integration refactored with breaking changes
  • v0.29.0 Consolidate namespace related naming and enterprise integration

Beta — feedback welcome: [email protected]