feat: add summarization compactor - #12296

Merged

sjrl merged 30 commits into

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feat/summarization-compactor

Aug 19, 2026

Commits on Aug 13, 2026

Commits on Aug 17, 2026

Merge branch 'main' of github.com:deepset-ai/haystack into feat/summarization-compactor
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f7ad0d3
updates
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ab2651a
fixes and better documentation on how the summarization progresses as the conversation gets longer
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14ec1b5
changes
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e3d4a36
some improvements
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9ace71b
pivot to using approximate_summary_tokens which is just an estimate used for planning
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f86d596

Commits on Aug 18, 2026

changes
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fix tests and reno
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3103893
improve reno
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2ae9650
refactoring tests
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more refactoring
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test refinement
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test refinement
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Commits on Aug 19, 2026

refinement
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3821b2f
changes
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7ed3e1b
remove smallets const
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e6b0680
improve summarization logic so that we don't summarize messages outside of chronological order
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3ce957b
update test
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aa8b249
improve rendered prompt for summarization
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improvements
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80c6fc4
PR comments
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c02eb27
improve docs and shorten reno
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92d42ce
remove function
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1fb9c96
Reduce number tokenizer calls
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81866cb
PR comments
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