SurfSense/surfsense_web/changelog/content/2026-05-05.mdx

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---
date: "2026-05-05"
version: "0.0.22"
---
## What's New in v0.0.22
v0.0.22 is a compact backend performance release. The headline change is **24-hour CORS preflight response caching**, which helps browsers avoid repeated preflight work when calling SurfSense APIs from approved origins.
### API Performance
- **24-Hour CORS Preflight Cache**: SurfSense now caches CORS preflight responses for 24 hours, reducing repeated OPTIONS traffic in browser-based deployments.
- **Smoother Hosted Usage**: Cloud and cross-origin setups benefit from less repetitive browser negotiation before API calls.
- **Better Self-Hosted Behavior**: Self-hosted deployments with separate frontend and backend origins get a cleaner default API experience.
### No longer broken
- No user-facing bug fixes in this release; this was a focused API performance and release maintenance update
### Developers
- CORS preflight responses now advertise a 24-hour cache window
- Release metadata and versioning were advanced for v0.0.22
v0.0.22 is small by design, but it improves the everyday feel of SurfSense API calls in browser and self-hosted environments by cutting down redundant CORS preflight traffic.
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