chore(deps)(deps): Bump sentence-transformers from 6.0.0 to 6.0.1

[dependabot]

Bumps sentence-transformers from 6.0.0 to 6.0.1.

Release notes

Sourced from sentence-transformers's releases.

v6.0.1 - Restore the PyLate prefix on prompted checkpoints, 80 documented multi-vector models

This patch release fixes a multi-vector loading bug: PyLate checkpoints that carry both a [Q]/[D] prefix and a text prompt lost the prefix, so they were encoded without a marker they were trained with. It also grows the documented multi-vector model tables from 51 checkpoints to 80.

Install this version with

# Training + Inference
pip install sentence-transformers[train]==6.0.1
Inference only, use one of:
pip install sentence-transformers==6.0.1
pip install sentence-transformers[onnx-gpu]==6.0.1
pip install sentence-transformers[onnx]==6.0.1
pip install sentence-transformers[openvino]==6.0.1
Multimodal dependencies (optional):
pip install sentence-transformers[image]==6.0.1
pip install sentence-transformers[audio]==6.0.1
pip install sentence-transformers[video]==6.0.1
Or combine as needed:
pip install sentence-transformers[train,onnx,image]==6.0.1

Compose the PyLate prefix with the saved prompt (#3968)

PyLate supports a prefix as well as prompt text, and Sentence Transformers assumed that these were mutually exclusive. However, the following three checkpoints carry both a prefix and a prompt, and were trained with the prefix prepended to the prompt text:

• lightonai/ColBERT-Zero
• lightonai/ColBERT-Zero-unsupervised
• lightonai/ColBERT-Zero-supervised

PyLate trained these checkpoints on [CLS] [Q] search_query: ... and [CLS] [D] search_document: ..., but Sentence Transformers dropped the prefix and encoded them as [CLS] search_query: ... and [CLS] search_document: .... After the fix, the performance of the ColBERT-Zero model improved from 0.6569 NDCG@10 to 0.6824 on the NanoBEIR benchmark. To my knowledge, only these 3 checkpoints used both a prefix and a prompt, so this is the only case where the bug would have affected you.

Forward task to routed modules in Router.preprocess (#3967)

Router.forward has always passed task down to the routed module, but Router.preprocess did not, so anything a module does with the task at preprocessing time did nothing behind a Router: query_length and document_length caps, query_expansion, and the chat-template task keyword. No released checkpoint combines a Router with those settings, so this is a latent bug rather than one you are likely to have hit. It would have affected anyone building such a model themselves, with no error to indicate it.

Documentation

• The multi-vector pretrained models tables grew from 29 text and 22 visual document retrieval checkpoints to 38 and 42 (#3963, #3969), with revision and trust_remote_code notes refreshed as upstream pull requests merged (#3972).
• Documented which Hub tag to filter on for each model type (#3964), and linked the Multi-Vector Encoder blogposts from the docs (#3966).
• Added MultiVectorEncoder to the Agent Skill README and refreshed the SauerkrautLM scores (#3955).
• Corrected the minimum versions in the README (#3952). It still recommended PyTorch 1.11.0+ and transformers v4.41.0+, where v6.0 requires PyTorch 2.2+ and transformers v5.0+. This is the text rendered as the PyPI project description.

All Changes

• docs: Add MultiVectorEncoder to the skills README, refresh the SauerkrautLM scores by @​tomaarsen in huggingface/sentence-transformers#3955
• Fix the README dependency versions by @​tomaarsen in huggingface/sentence-transformers#3952
• [docs] Add more MultiVectorEncoder models to the pretrained models tables by @​tomaarsen in huggingface/sentence-transformers#3963
• [docs] Clarify which Hub tags to filter on for each model type by @​tomaarsen in huggingface/sentence-transformers#3964
• [docs] Link the Multi-Vector Encoder blogposts by @​tomaarsen in huggingface/sentence-transformers#3966

... (truncated)

Commits

• b0acd1a Update README installation versions
• 9b415ac Release v6.0.1
• cc0669c Add/update revisions for pretrained MVE models (#3972)
• f8390f4 [docs] Refresh the MultiVectorEncoder pretrained models tables (#3969)
• 4b51722 [fix] Compose the PyLate prefix with the saved prompt (#3968)
• e99c4a9 [fix] Forward task to routed modules in Router.preprocess (#3967)
• 5d2ec93 [docs] Link the Multi-Vector Encoder blogposts (#3966)
• 9c5de2a [docs] Clarify which Hub tags to filter on for each model type (#3964)
• 83680bd [docs] Add more MultiVectorEncoder models to the pretrained models tables (#3...
• 1a43278 docs: Add MultiVectorEncoder to the skills README, refresh the SauerkrautLM s...
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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	sentence-transformers@​6.0.0 ⏵ 6.0.1	+1

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⚠️ PR Template Check These are non-blocking, but please fix: PR description is missing required sections: ### Addressed Issues: ## Checklist Please follow the PR template. No issue linked. Consider adding Fixes #<number> (e.g. Fixes #42) under the Addressed Issues section. Some required checklist items are not completed: My PR addresses a single issue My code follows the project's code style My changes generate no new warnings or errors

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