# Healthchecks v4.4

- Product: Healthchecks (https://whatsnew.fyi/product/healthchecks)
- Vendor: Pēteris Caune
- Date: 2026-08-31
- Version: v4.4
- Original notes: https://github.com/healthchecks/healthchecks/releases/tag/v4.4
- Permalink: https://whatsnew.fyi/product/healthchecks/releases/v4.4

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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- **changed** — Send flapping notices to all team members instead of just the owner
- **changed** — Upgrade to Django 6.1
- **fixed** — Fix the email integration to sanitize long lines in .eml attachments
- **fixed** — Fix race conditions when concurrent requests update the same check
- **fixed** — Fix bounce signing code to produce shorter signatures
- **security** — Fix the email verification link to depend on the email address

Important: this Healthchecks release is using Django 6.1, which has dropped support for PostgreSQL < 15, MySQL < 8.4, MariaDB < 10.11.

###### Improvements
- Send flapping notices to all team members (not just the owner)
- Upgrade to Django 6.1

###### Bug Fixes
- Fix the email integration to sanitize long lines in .eml attachments
- Fix race conditions when concurrent requests update the same check
- Fix bounce signing code to produce shorter signatures
- Security: fix the email verification link to depend on the email address