# ClickHouse v26.7.5.10-stable — Release v26.7.5.10-stable

- Product: ClickHouse (https://whatsnew.fyi/product/clickhouse)
- Vendor: ClickHouse
- Date: 2026-08-21
- Version: v26.7.5.10-stable
- Original notes: https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.5.10-stable
- Permalink: https://whatsnew.fyi/product/clickhouse/releases/v26.7.5.10-stable
- Labels: Machine-generated from commit messages — the vendor published no release notes

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'.

---

- **fixed** — Serialization of Map-valued settings in access entities.
- **fixed** — Text index out-of-bounds write in front-coding deserialization.
- **fixed** — Trivial count optimization incorrectly applied when the aggregate argument contains arrayJoin.
- **fixed** — Data race when tracing profile events.
- **fixed** — Serialization of Nullable(Tuple) as a single CSV field.
- **fixed** — Prepared sets registration before expanding ALIAS columns of Merge child tables.
- **fixed** — Stripping of injective functions that hide argument nullability inside uniq.
- **fixed** — Propagation of settings in accurateCastOrDefault.
- **fixed** — LowCardinality needle lookup equal to the type's default value.