Install and release notes

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binwiederhier
2026-05-17 21:21:09 -04:00
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| Component | Version | Release date |
|------------------|---------|--------------|
| ntfy server | v2.22.0 | Apr 21, 2026 |
| ntfy server | v2.23.0 | May 17, 2026 |
| ntfy Android app | v1.24.0 | Mar 5, 2026 |
| ntfy iOS app | v1.6.0 | May 12, 2026 |
Please check out the release notes for [upcoming releases](#not-released-yet) below.
## ntfy server v2.23.0
Released May 17, 2026
**Features:**
* Add per-visitor rate limit on new topic creations (`visitor-topic-creation-limit-burst` / `visitor-topic-creation-limit-replenish`, defaults 100 burst / 1m replenish) to mitigate topic-enumeration / squatting attacks that inflate the in-memory topic map
**Bug fixes + maintenance:**
* Remove `stacktrace-js`, `stacktrace-gps`, `humanize-duration`, and `js-base64` from the web app to reduce dependency and security footprint
* Restrict the publish dialog's local file preview to safe image types (png/jpg/gif/webp) to prevent same-origin script execution from blob URLs when previewing a crafted SVG ([GHSA-j8hr-p342-xrmh](https://github.com/binwiederhier/ntfy/security/advisories/GHSA-j8hr-p342-xrmh), thanks to [@Venukamatchi](https://github.com/Venukamatchi) for reporting)
## ntfy iOS app v1.6.0
Released May 12, 2026
@@ -1893,17 +1905,6 @@ and the [ntfy Android app](https://github.com/binwiederhier/ntfy-android/release
## Not released yet
## ntfy server v2.23.x (UNRELEASED)
**Features:**
* Add per-visitor rate limit on new topic creations (`visitor-topic-creation-limit-burst` / `visitor-topic-creation-limit-replenish`, defaults 100 burst / 1m replenish) to mitigate topic-enumeration / squatting attacks that inflate the in-memory topic map
**Bug fixes + maintenance:**
* Remove `stacktrace-js`, `stacktrace-gps`, `humanize-duration`, and `js-base64` from the web app to reduce dependency and security footprint
* Restrict the publish dialog's local file preview to safe image types (png/jpg/gif/webp) to prevent same-origin script execution from blob URLs when previewing a crafted SVG ([GHSA-j8hr-p342-xrmh](https://github.com/binwiederhier/ntfy/security/advisories/GHSA-j8hr-p342-xrmh), thanks to [@Venukamatchi](https://github.com/Venukamatchi) for reporting)
## ntfy Android v1.25.x (UNRELEASED)
This release makes the "connection lost" alert configurable and turns it off by default. Folks did not like it and many reached out