# Healthchecks v4.3

- Product: Healthchecks (https://whatsnew.fyi/product/healthchecks)
- Vendor: Pēteris Caune
- Date: 2026-07-14
- Version: v4.3
- Original notes: https://github.com/healthchecks/healthchecks/releases/tag/v4.3
- Permalink: https://whatsnew.fyi/product/healthchecks/releases/v4.3

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 "Monthly Phone/SMS/WA Limit Reached" notice to all team members instead of just owner
- **changed** — Include notification text in the "Monthly Phone/SMS/WA Limit Reached" notice
- **added** — Add a note about unset ping key in the check details page
- **added** — Let users specify alert priorities in the "Add Gotify" form
- **added** — Add ability to edit existing Gotify integrations
- **changed** — Switch from Selectize to Tom Select for dropdown controls
- **added** — Implement Markdown formatting in Ntfy notifications
- **changed** — Update alert templates to report downtime duration
- **changed** — Switch to Argon2 as the default hasher for passwords and login tokens
- **changed** — Optimize DB queries for team membership lookups and for the "Get Pings" API call
- **fixed** — Fix WebhookValidator to handle input that contains square brackets
- **fixed** — Update Check.rename_and_delete() to better handle race conditions
- **fixed** — Enforce check limit (times two) when pinging by slug
- **fixed** — Fix the "Edit Ntfy" form to preserve selected priorities when the form reloads
- **fixed** — Fix the parsing of inbound emails with UTF8 body
- **added** — Add rate-limiting by email in the /accounts/signup view

###### Improvements
- Send "Monthly Phone/SMS/WA Limit Reached" notice to all team members (not just owner)
- Include notification text in the "Monthly Phone/SMS/WA Limit Reached" notice
- Add a note about unset ping key in the check details page (#1295)
- In the "Add Gotify" form, let users specify alert priorities (#990, @BeyondMagic)
- Add ability to edit existing Gotify integrations
- Switch from Selectize to Tom Select for dropdown controls
- Implement Markdown formatting in Ntfy notifications
- Update alert templates to report downtime duration (#1309)
- Switch to Argon2 as the default hasher for passwords and login tokens
- Optimize DB queries for team membership lookups and for the "Get Pings" API call

###### Bug Fixes
- Fix WebhookValidator to handle input that contains square brackets
- Update Check.rename_and_delete() to better handle race conditions
- Enforce check limit (times two) when pinging by slug
- Fix the "Edit Ntfy" form to preserve selected priorities when the form reloads
- Fix the parsing of inbound emails with UTF8 body (#1311)
- Add rate-limiting by email in the /accounts/signup view