# ClickHouse v26.7.4.58-stable — Release v26.7.4.58-stable

- Product: ClickHouse (https://whatsnew.fyi/product/clickhouse)
- Vendor: ClickHouse
- Date: 2026-08-19
- Version: v26.7.4.58-stable
- Original notes: https://github.com/ClickHouse/ClickHouse/releases/tag/v26.7.4.58-stable
- Permalink: https://whatsnew.fyi/product/clickhouse/releases/v26.7.4.58-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'.

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- **fixed** — Bad cast in KeyCondition for nested CAST that re-introduces LowCardinality
- **fixed** — Map bucket_indexes stream going out of sync when rows are skipped
- **fixed** — made_current_at showing 1970-01-01 in system.iceberg_history after expire_snapshots
- **added** — Compatibility setting to qualify column names as the old analyzer did with multiple joins
- **added** — Inference of omitted Distributed and Buffer structure under the user's context
- **fixed** — made_current_at for repeated snapshot-id in system.iceberg_history
- **fixed** — Wrong value for virtual column on the right side of direct JOIN
- **fixed** — Out-of-bounds read in SerializationReplicated on the native protocol
- **fixed** — Iceberg OPTIMIZE rejecting multi-row position delete snapshots
- **fixed** — Multiple issues including use-after-free in sparse join keys, wrong hash join results on LowCardinality wide-integer keys, quadratic JSON subcolumn skip-index matching, incorrect ORDER BY LIMIT results under row policy, and wrong results of trivial GROUP BY LIMIT optimization