# Changelog 2024 12 09

**Opik Dashboard**:

- Updated the experiments pages to make it easier to analyze the results of each experiment. Columns are now organized based on where they came from (dataset, evaluation task, etc) and output keys are now displayed in multiple columns to make it easier to review

:::frame
<img src="../img/apps/opik-documentation/documentation/fern/img/changelog/2024-12-09/experiment_items_table.png" alt="">
:::

- Improved the performance of the experiments so experiment items load faster
- Added descriptions for projects

**SDK**:

- Add cost tracking for OpenAI calls made using LangChain
- Fixed a timeout issue when calling `get_or_create_dataset`

## Related pages

- [Changelog 2026 09 21](./getting-started-changelog-2026-09-21.md)
- [Changelog 2026 09 14](./getting-started-changelog-2026-09-14.md)
- [Changelog 2026 09 07](./getting-started-changelog-2026-09-07.md)
- [Changelog 2026 08 31](./getting-started-changelog-2026-08-31.md)
- [Changelog 2026 08 24](./getting-started-changelog-2026-08-24.md)
- [Changelog 2026 08 17](./getting-started-changelog-2026-08-17.md)
- [Changelog 2026 08 10](./getting-started-changelog-2026-08-10.md)
- [Changelog 2026 07 20](./getting-started-changelog-2026-07-20.md)
- [Changelog 2026 07 13](./getting-started-changelog-2026-07-13.md)
- [Changelog 2026 07 06](./getting-started-changelog-2026-07-06.md)

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