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build(deps): bump bitsandbytes from 0.48.2 to 0.49.2 - #6

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build(deps): bump bitsandbytes from 0.48.2 to 0.49.2#6
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dependabot/uv/bitsandbytes-0.49.2

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@dependabot dependabot Bot commented on behalf of github May 5, 2026

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Bumps bitsandbytes from 0.48.2 to 0.49.2.

Release notes

Sourced from bitsandbytes's releases.

0.49.2

Highlights

  • The default blocksize of 64 for 4bit quantization is now supported on ROCm. Previously the default was 128, which was a mismatch from the default for other devices.
  • ROCm 7.2 build is now included.

What's Changed

New Contributors

Full Changelog: bitsandbytes-foundation/bitsandbytes@0.49.1...0.49.2

0.49.1

What's Changed

Full Changelog: bitsandbytes-foundation/bitsandbytes@0.49.0...0.49.1

0.49.0

Highlights

x86-64 CPU Improvements

CPU performance for 4bit is significantly improved on x86-64, with optimized kernel paths for CPUs that have AVX512 or AVX512BF16 support.

AMD ROCm Experimental Wheels

  • Experimental support for AMD devices is now included in our PyPI wheels on Linux x86-64.
  • We've added additional GPU target devices as outlined in our docs.
  • Support for using the default blocksize of 64 for 4bit was added for RDNA GPUs in #1748.

macOS 14+ Wheels

  • We're now publishing wheels for macOS 14+!
  • The 4bit and 8bit quantization features are supported on MPS by slow implementations. We plan to enable Metal kernels with improved performance in the future.

🚨 Breaking Changes

  • Dropped support for Python 3.9.
  • Dropped compilation support for Maxwell GPUs in the CUDA backend.

What's Changed

... (truncated)

Commits
  • f0e6ca3 Release 0.49.2
  • cace65c Fix AdEMAMix scheduler guard and add state_dict round-trip test (#1861)
  • 505a00a Handle non-contiguous tensors in quantize/dequantize ops (#1859)
  • c2ae381 [ROCm] Make blocksize=64 default for 4bit (#1873)
  • 943e42d Skip typo check on agent markdown files
  • b075afc update docs (#1857)
  • de89ff7 docs: Add PR review posting guide, agent reference docs, and lint fixes
  • a2c92f7 docs: Add human+agent issue triage workflow guide
  • 252e6ff docs: Update issue patterns from 43 recently closed issues
  • 88c6c71 style: Fix ruff format violation in test_linear4bit.py
  • Additional commits viewable in compare view

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Bumps [bitsandbytes](https://github.com/bitsandbytes-foundation/bitsandbytes) from 0.48.2 to 0.49.2.
- [Release notes](https://github.com/bitsandbytes-foundation/bitsandbytes/releases)
- [Changelog](https://github.com/bitsandbytes-foundation/bitsandbytes/blob/main/CHANGELOG.md)
- [Commits](bitsandbytes-foundation/bitsandbytes@0.48.2...0.49.2)

---
updated-dependencies:
- dependency-name: bitsandbytes
  dependency-version: 0.49.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels May 5, 2026
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dependabot Bot commented on behalf of github Jul 26, 2026

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Superseded by #61.

@dependabot dependabot Bot closed this Jul 26, 2026
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dependabot Bot deleted the dependabot/uv/bitsandbytes-0.49.2 branch July 26, 2026 23:04
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