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Updates the requirements on duckduckgo-search, chromadb, sentence-transformers and pypdf to permit the latest version.
Updates duckduckgo-search to 8.1.1

Release notes

Sourced from duckduckgo-search's releases.

v8.1.1

This package (duckduckgo_search) has been renamed to ddgs! Use pip install ddgs instead.

Full Changelog: deedy5/ddgs@v8.1.0...v8.1.1

Commits
  • 3e0e023 chore: bump to v8.1.1
  • a1d25f0 chore(rename to ddgs): package renamed to ddgs
  • dd30156 docs: update README.md
  • 12ad3c6 chore: bump to 8.1.0
  • 69d9e33 feat(text): add bing backend
  • abba618 chore: bump to v8.0.5
  • e79a08a ci: remove #max-parallel: 1
  • 47161d5 fix(cli): update region
  • e46d76c fix(images, news, videos) region='us-en' by default
  • 2ba9577 fix(text): region=None by default
  • Additional commits viewable in compare view

Updates chromadb to 1.5.9

Release notes

Sourced from chromadb's releases.

1.5.9

Version: 1.5.9 Git ref: refs/tags/1.5.9 Build Date: 2026-05-05T05:55 PIP Package: chroma-1.5.9.tar.gz Github Container Registry Image: :1.5.9 DockerHub Image: :1.5.9

What's Changed

... (truncated)

Commits

Updates sentence-transformers to 6.0.0

Release notes

Sourced from sentence-transformers's releases.

v6.0.0 - MultiVectorEncoder for ColBERT & late interaction models, transformers v5, float32 scoring, faster training & encoding

This major release introduces Multi-Vector Embedding models, also known as late interaction or ColBERT-style models, as a fourth model type alongside SentenceTransformer, CrossEncoder, and SparseEncoder. Going forward, you'll be able to use Sentence Transformers for training, inferencing, and interpreting Multi-Vector Embedding models.

It also modernizes the dependency floors to transformers v5, fixes a class of silent scoring bugs caused by half precision, and speeds up both training and encoding.

Install this version with

# Training + Inference
pip install sentence-transformers[train]==6.0.0
Inference only, use one of:
pip install sentence-transformers==6.0.0
pip install sentence-transformers[onnx-gpu]==6.0.0
pip install sentence-transformers[onnx]==6.0.0
pip install sentence-transformers[openvino]==6.0.0
Multimodal dependencies (optional):
pip install sentence-transformers[image]==6.0.0
pip install sentence-transformers[audio]==6.0.0
pip install sentence-transformers[video]==6.0.0
Or combine as needed:
pip install sentence-transformers[train,onnx,image]==6.0.0

[!TIP] Our Multi-Vector (Late Interaction) Embedding Models with Sentence Transformers blogpost is an excellent place to learn about multi-vector models: loading the various checkpoint formats, encoding and scoring, plugging them into a search stack, running them on page images, and keeping the index affordable.

[!WARNING] This is a major release with breaking changes. Upgrading from v5.x to v6.0 may require code updates. The changes marked 🚨 below are the ones most likely to affect you, and the Migration Guide has the full list. If you run into issues when upgrading, feel free to open an issue.

MultiVectorEncoder: ColBERT-style late interaction models (#3794)

Sentence Transformers v6.0 introduces MultiVectorEncoder, for ColBERT-style late interaction retrieval. Where a regular embedding model compresses a whole text into one vector, a multi-vector model keeps one vector per token and scores query against document with the MaxSim operator. That preserves token-level matching information that a single vector has to average away, which usually means stronger retrieval at the cost of a bigger index. It is also the state of the art for visual document retrieval, where a text query is matched against page images directly, with no OCR step in between.

Any PyLate checkpoint and any Stanford-NLP ColBERT checkpoint loads straight into it, and colpali-engine models for visual document retrieval work too, through the same familiar API you already use for dense, sparse, and reranker models.

from sentence_transformers import MultiVectorEncoder
Download from the 🤗 Hub
model = MultiVectorEncoder("lightonai/LateOn")
query_embeddings = model.encode_query(["Which planet is known as the Red Planet?"])
document_embeddings = model.encode_document([
"Venus is often called Earth's twin because of its similar size and proximity.",
"Mars, known for its reddish appearance, is often referred to as the Red Planet.",
"Jupiter, the largest planet in our solar system, has a prominent red spot.",
"Saturn, famous for its rings, is sometimes mistaken for the Red Planet.",
</tr></table>

... (truncated)

Commits
  • 56c9548 [docs] Remove revision from EVIE now that it's integrated (#3951)
  • aa791eb Release v6.0.0
  • 8b332d1 tests: Fix the pretrained MultiVectorEncoder tests for device tensors and Hub...
  • a03cfd6 docs: Point cross-references at their documented targets (#3947)
  • 310ed7b docs: Rank the pretrained MultiVectorEncoder models by NanoBEIR and NanoViDoR...
  • 345c538 Speed up multi-vector padding and numpy to tensor conversion (#3942)
  • 8d62fa2 [v6] Return tensors on the model device from MultiVectorEncoder encoding (#...
  • 8a73e35 [v6] Keep the prompt-excluded mask out of the feature dicts (#3944)
  • c8d2c0c [v6] Extend the merged column forward to the SentenceTransformer losses (#3...
  • adc09fc [v6] Fix XTR input validation, padding masks, and integer embedding support...
  • Additional commits viewable in compare view

Updates pypdf to 6.16.1

Release notes

Sourced from pypdf's releases.

Version 6.16.1, 2026-08-14

What's new

Security (SEC)

Full Changelog

Changelog

Sourced from pypdf's changelog.

Version 6.16.1, 2026-08-14

Security (SEC)

  • Limit iterations for outline retrieval and XForm text extraction (#3966)

Full Changelog

Version 6.16.0, 2026-08-13

Security (SEC)

  • Detect cycles in TreeObject.insert_child (#3964)

New Features (ENH)

  • AppearanceStream: Allow arbitrary rotations and apply rotations for annotation appearance streams (#3917)
  • AppearanceStream: Consider more encodings for Type1 core fonts (#3905)

Performance Improvements (PI)

  • Build /ToUnicode source-code bytes directly in parse_bfrange (#3952)

Bug Fixes (BUG)

  • Preserve internal Link annotations when appending/merging (#3953) (#3954)
  • Fix false inline image end markers (#3922)
  • Reject typeless non-page /Kids entries in strict mode (#3955)
  • Apply character spacing (Tc) per glyph in layout-mode extraction (#3951)
  • Keep the Adobe CMYK inversion when an explicit /Decode is present (#3943)

Robustness (ROB)

  • AppearanceStream: Only escape parentheses for 8-bit fonts (#3961)
  • Recover the trailer from a cross-reference stream when rebuilding the xref (#3950)

Maintenance (MAINT)

  • Deduplicate CatalogAttributes and CatalogDictionary (#3940)

Code Style (STY)

  • Type pages as a Sequence rather than a list (#3957)

Full Changelog

Version 6.15.0, 2026-08-06

Security (SEC)

  • Improve performance of read_until_whitespace (#3947)
  • Limit CID width range and width count when loading fonts (#3946)
  • Limit token length for ToUnicode entries (#3944)

Deprecations (DEP)

  • Deprecate previously missed inline_images setter as well (#3897)

New Features (ENH)

  • Add ActualText tag when we produce RTL appearance stream (#3901)

... (truncated)

Commits
  • 1bce7a7 REL: 6.16.1
  • d91ab70 SEC: Limit iterations for outline retrieval and XForm text extraction (#3966)
  • 2b60c99 REL: 6.16.0
  • c9ba557 SEC: Detect cycles in TreeObject.insert_child (#3964)
  • c8e1c72 BUG: Always define PdfWriter._reader (#3960)
  • 3a0f355 ROB: Detect cyclic pages in _get_page_in_node (#3962)
  • 20512f4 ROB: AppearanceStream: Only escape parentheses for 8-bit fonts (#3961)
  • 34ccd14 MAINT: Deduplicate CatalogAttributes and CatalogDictionary (#3940)
  • 5b8f19e ENH: AppearanceStream: Allow arbitrary rotations and apply rotations for anno...
  • 53bfbc6 PI: Build /ToUnicode source-code bytes directly in parse_bfrange (#3952)
  • Additional commits viewable in compare view

@dependabot @github

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@dependabot
deps: bump the ai-ml group across 1 directory with 4 updates
3e47aed 
Updates the requirements on [duckduckgo-search](https://github.com/deedy5/duckduckgo_search), [chromadb](https://github.com/chroma-core/chroma), [sentence-transformers](https://github.com/huggingface/sentence-transformers) and [pypdf](https://github.com/py-pdf/pypdf) to permit the latest version.

Updates `duckduckgo-search` to 8.1.1
- [Release notes](https://github.com/deedy5/duckduckgo_search/releases)
- [Commits](deedy5/ddgs@v8.0.0...v8.1.1)

Updates `chromadb` to 1.5.9
- [Release notes](https://github.com/chroma-core/chroma/releases)
- [Changelog](https://github.com/chroma-core/chroma/blob/main/RELEASE_PROCESS.md)
- [Commits](chroma-core/chroma@0.4.0...1.5.9)

Updates `sentence-transformers` to 6.0.0
- [Release notes](https://github.com/huggingface/sentence-transformers/releases)
- [Commits](huggingface/sentence-transformers@v2.2.0...v6.0.0)

Updates `pypdf` to 6.16.1
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@3.0.0...6.16.1)

---
updated-dependencies:
- dependency-name: chromadb
  dependency-version: 1.5.9
  dependency-type: direct:development
  dependency-group: ai-ml
- dependency-name: duckduckgo-search
  dependency-version: 8.1.1
  dependency-type: direct:production
  dependency-group: ai-ml
- dependency-name: pypdf
  dependency-version: 6.16.1
  dependency-type: direct:development
  dependency-group: ai-ml
- dependency-name: sentence-transformers
  dependency-version: 5.7.0
  dependency-type: direct:development
  dependency-group: ai-ml
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot changed the title deps: bump the ai-ml group with 4 updates deps: bump the ai-ml group across 1 directory with 4 updates Aug 24, 2026
@dependabot
dependabot Bot force-pushed the dependabot/pip/ai-ml-d5c0bcfac3 branch from 10be55c to 3e47aed Compare August 24, 2026 04:29
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