# opencode v1.18.18

- Product: opencode (https://whatsnew.fyi/product/opencode)
- Vendor: anomalyco
- Date: 2026-08-13
- Version: v1.18.18
- Original notes: https://github.com/anomalyco/opencode/releases/tag/v1.18.18
- Permalink: https://whatsnew.fyi/product/opencode/releases/v1.18.18

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Select the Kimi system prompt correctly for official Moonshot and Kimi providers
- **fixed** — Fix xhigh reasoning effort for xai models

##### Core
###### Bugfixes
- Select the Kimi system prompt correctly for official Moonshot and Kimi providers
- Fix xhigh reasoning effort for xai models