chore: pin archived haystack-experimental - #478
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`haystack-experimental` is archived; `0.19.0.post1` is its final release and the `ChatMessageStore` components were not adopted into Haystack core. Tutorial 48 genuinely needs those components, so pin the final release rather than removing the tutorial. Replace the beta notice with an archived notice and repoint the component links from the API reference pages (being removed) to the tagged source. guide_evaluation recommended `EvaluationHarness`, discontinued in haystack-experimental 0.7.0, and linked an example notebook that no longer exists. Drop the recommendation. Tutorial 47 needed no changes — #475 already removed its experimental references. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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julian-risch
marked this pull request as ready for review
July 28, 2026 15:34
kacperlukawski
approved these changes
Jul 29, 2026
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LGTM, but we likely need to consider rewriting it.
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Related Issues
Proposed Changes:
InMemoryChatMessageStore/ChatMessageRetriever/ChatMessageWriter, which were not adopted into Haystack core. Pin the final release (haystack-experimental==0.19.0.post1) in the install cell and inindex.tomlrather than removing the tutorial. Replace the beta notice with an archived notice, and repoint the component links from the API reference pages (being removed) to the tagged source.guide_evaluation: drop theEvaluationHarnessrecommendation. It was discontinued in haystack-experimental 0.7.0 and the example notebook it linked no longer exists.How did you test it?
Notebook JSON validated;
index.tomlvalidated as parseable TOML. Not executed (needs an OpenAI key).Notes for the reviewer