2.2.87

fastrepl/anarlog2.2.87Oct 1, 2026by github-actions[bot]

Upgrading?

AI Summary

Opik update fixing UI bugs, SDK reliability issues, and introducing a new CLI wrapper for MCP setup.

Key Highlights

  • Restore `TOGGLE_AGENT_INSIGHTS_ENABLED` as a kill switch
  • New `npx opik` wrapper for the `uvx` MCP setup command
  • Fix score wordless assistant in ConversationDegenerationMetric
  • Show prompt version in the compare view

New Features

  • Show each experiment's prompt version in the compare view
  • Add `tasks.outcome` to `cipx_session_analysis`
  • Fix LangChain usage when `base_url` arrives as a string

Full Release Notes

## What's Changed
* [NA] [BE] Update model prices file by @CometActions in https://github.com/comet-ml/opik/pull/8632
* [OPIK-8466] [FE] fix: read compare panel scores and comments from the live trace by @andriidudar in https://github.com/comet-ml/opik/pull/8644
* [OPIK-8593] [FE] fix: order evaluators in create-experiment snippet to match explanations by @JetoPistola in https://github.com/comet-ml/opik/pull/8640
* [OPIK-8615] [INFRA] chore: bump opik-python-backend to docker:29.8.1 and tiktoken 0.14.0 by @alexkuzmik in https://github.com/comet-ml/opik/pull/8626
* [OPIK-8590] [FE] fix: apply chevron convention to experiment grouping rows by @JetoPistola in https://github.com/comet-ml/opik/pull/8648
* [NA] [SDK] fix: accept the quoted-key paths scan is told to paste by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8571
* [issue-8519] [SDK] fix: score wordless assistant turns in ConversationDegenerationMetric by @desty in https://github.com/comet-ml/opik/pull/8528
* [NA] [SDK] fix: apply ignore_arguments to arguments passed through **kwargs by @anishmehta24 in https://github.com/comet-ml/opik/pull/8553
* [issue-7860] [SDK] fix: keep LangChain usage when base_url arrives as a string by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8352
* [NA] [BE][FE] feat: restore TOGGLE_AGENT_INSIGHTS_ENABLED as an Agent Insights kill switch by @LifeXplorer in https://github.com/comet-ml/opik/pull/8649
* [NA] [SDK] fix: keep int columns as ints in insert_from_pandas by @anishmehta24 in https://github.com/comet-ml/opik/pull/8558
* [NA] [SDK] fix: do not read a null judge score as 0.0 in Moderation and Usefulness by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8623
* [OPIK-8607] [BE] fix: partition-scope the spans cutover tooling's deletion replays by @andrescrz in https://github.com/comet-ml/opik/pull/8643
* [NA] [SDK] fix: count Bedrock cache tokens in prompt_tokens and total_tokens by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8616
* [OPIK-8507] [SDK] feat: npx opik wrapper for the uvx MCP setup command by @alexkuzmik in https://github.com/comet-ml/opik/pull/8650
* [NA] [SDK] fix: bound feedback score batches by payload size, and keep split_into_batches in input order by @bharadwaj-pendyala in https://github.com/comet-ml/opik/pull/8432
* [NA] [SDK] fix: substitute mustache placeholders in a single pass by @anishmehta24 in https://github.com/comet-ml/opik/pull/8543
* [NA] [BE] Update model prices file by @CometActions in https://github.com/comet-ml/opik/pull/8666
* [NA] [FE] fix: playground Run buttons skip the media check and ignore a stale test suite by @aadereiko in https://github.com/comet-ml/opik/pull/8618
* [NA] [FE] fix: hide the model parameters button for providers with nothing to set by @aadereiko in https://github.com/comet-ml/opik/pull/8664
* [OPIK-8578] [FE] fix: bracket-quote dotted metadata keys in filters by @andriidudar in https://github.com/comet-ml/opik/pull/8675
* [OPIK-7791] [QA] fix: the five production e2e failures from the 09-25 nightly by @AndreiCautisanu in https://github.com/comet-ml/opik/pull/8584
* [OPIK-6303] [BE] fix: let an annotation queue's item ceiling be removed by @alexkuzmik in https://github.com/comet-ml/opik/pull/8625
* [OPIK-8574] [SDK] fix: stop ADK LLM spans losing usage when the inference span ends early by @JetoPistola in https://github.com/comet-ml/opik/pull/8641
* [NA] [SDK] [FE] [DOCS] fix: replace retired Anthropic model ids with claude-sonnet-4-6 by @awkoy in https://github.com/comet-ml/opik/pull/8661
* [OPIK-7964] [FE] feat: show each experiment's prompt version in the compare view by @JetoPistola in https://github.com/comet-ml/opik/pull/8468
* [OPIK-4238] [FE] fix: render unicode-containing YAML strings as block scalars by @JetoPistola in https://github.com/comet-ml/opik/pull/8369
* [OPIK-8589] [FE] fix: show grouping sort field only when it is selectable by @JetoPistola in https://github.com/comet-ml/opik/pull/8655
* [OPIK-8627] [BE] fix: fork python rule workers on Linux so the pool fills under Python 3.14 by @JetoPistola in https://github.com/comet-ml/opik/pull/8660
* [NA] [SDK] fix: end the span when a LiteLLM stream fails mid-iteration by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8647
* [NA] [SDK] fix: quote reserved-word dict keys in rendered jq paths by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8669
* [NA] [SDK] fix: replay parked messages before shutdown tears down the store by @feiiiiii5 in https://github.com/comet-ml/opik/pull/8671
* [OPIK-8105] [FE] fix: route quick filter to the table of the selected entity by @andriidudar in https://github.com/comet-ml/opik/pull/8684
* [OPIK-8565] [FE] [BE] fix: stop the playground sending model parameters providers reject by @aadereiko in https://github.com/comet-ml/opik/pull/8603
* [OPIK-8522] [BE] feat: add tasks.outcome to cipx_session_analysis by @BorisTkachenko in https://github.com/comet-ml/opik/pull/8674

## New Contributors
* @desty made their first contribution in https://github.com/comet-ml/opik/pull/8528
* @bharadwaj-pendyala made their first contribution in https://github.com/comet-ml/opik/pull/8432

**Full Changelog**: https://github.com/comet-ml/opik/compare/2.2.86...2.2.87

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