# Coolify v4.3.12

- Product: Coolify (https://whatsnew.fyi/product/coolify)
- Vendor: Coollabs
- Date: 2026-08-26
- Version: v4.3.12
- Original notes: https://github.com/coollabsio/coolify/releases/tag/v4.3.12
- Permalink: https://whatsnew.fyi/product/coolify/releases/v4.3.12

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** — Apply authentication rate limits per real client behind reverse proxies and Cloudflare, preventing visitors from sharing one rate-limit bucket
- **fixed** — Reset a server's unreachable counter after a successful connection check, preventing stale failures and false unreachable alerts
- **fixed** — Correct placeholder alignment in code editor fields
- **fixed** — Queue Cloud registration verification emails with retries for more reliable delivery

##### Fixes

- Applied authentication rate limits per real client behind reverse proxies and Cloudflare, preventing visitors from sharing one rate-limit bucket ([#11515](https://github.com/coollabsio/coolify/pull/11515)).
- Reset a server's unreachable counter after a successful connection check, preventing stale failures and false unreachable alerts ([#11417](https://github.com/coollabsio/coolify/pull/11417), closes [#11416](https://github.com/coollabsio/coolify/issues/11416)).
- Corrected placeholder alignment in code editor fields ([#11514](https://github.com/coollabsio/coolify/pull/11514), closes [#11420](https://github.com/coollabsio/coolify/issues/11420)).
- Queued Cloud registration verification emails with retries, making delivery more reliable.

##### What's Changed
* fix(server): reset unreachable_count after successful connection check by @mrcleanandfresh in https://github.com/coollabsio/coolify/pull/11417
* fix(ui): monaco editor placeholder alignment by @peaklabs-dev in https://github.com/coollabsio/coolify/pull/11514
* fix(auth): rate limit by proxy-aware client IP by @peaklabs-dev in https://github.com/coollabsio/coolify/pull/11515

##### New Contributors
* @mrcleanandfresh made their first contribution in https://github.com/coollabsio/coolify/pull/11417

**Full Changelog**: https://github.com/coollabsio/coolify/compare/v4.3.11...v4.3.12