2.26.34

2.26.34 (2026-11-05)

Fix

• fix: match only the requested script for language-script codes in get_tasks (#5826)

• fix: match only the requested script for language-script codes in get_tasks

Fixes #5768. Follows up on #5483 and #5720.

• languages=["zho-Hant"] also matched zho-Hans, because filter_tasks used contains_language, which falls back to the bare language. Added LanguageScripts.contains_langscript (strict for script-qualified codes, lenient for bare ones) and use it in filter_tasks, AbsTask.filter_languages and TaskResult.get_score. contains_language is unchanged.
• A language code with a script combined with script= now raises a ValueError. It is validated up front in get_tasks, so the tasks= branch does not swallow it as a skipped task.
• filter_tasks now requires language and script to match on the same code, as filter_languages does per subset. get_tasks(languages=["eng", "rus"], script=["Cyrl"]) no longer raises.
• get_tasks without tasks= now passes exclusive_language_filter and skips tasks with no matching subset (with the existing warning), like the tasks= branch.
• Added AbsTask.language_scripts and language type hints.

Tests added in tests/test_get_tasks.py, tests/test_filter_tasks.py and tests/test_languages.py.

Co-authored-by: Spicy Shark <321699413+spicysharkco@users.noreply.github.com>

• fix based on comments

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Co-authored-by: Spicy Shark <321699413+spicysharkco@users.noreply.github.com> (01fd73c)

Unknown

• Add cohere embed v5 (#5838)

• Add Cohere embed-v5.0-pro and embed-v5.0-fast models

• Add ModelMeta for Cohere/Cohere-embed-v5.0-pro and Cohere/Cohere-embed-v5.0-fast
  (2048-dim, 8192 context, multilingual)
• Replace empty texts with " " before embedding: the API rejects requests
  whose texts are all empty, and " " yields the same embedding as "" in
  mixed batches

• Revert empty-text handling in Cohere encode (b29c431)

• Fix citations2 (#5837)

• fix citations 2

• move json ignore

• fix citatiosn 3 (63727e2)