v0.64.3

netbirdio/netbirdv0.64.3Jan 29, 2026by lixmal

AI Summary

Focuses on client reliability with fixes for socket handling and firewall initialization, along with corrections for ephemeral peer management and domain validation.

Key Highlights

Fixed WireGuard watcher missing the initial handshake.
Ensured NetBird stops on firewall initialization failure to avoid undefined states.
Fixed ephemeral peers not being removed correctly and domain validation logic.

Full Release Notes

## Release Notes for v0.64.3

### What's New
#### Client Improvements
- Removed **redundant square bracket trimming** in USP endpoint parsing.  
  [#5197](https://github.com/netbirdio/netbird/pull/5197)
- Refactored and optimized **raw socket header handling** for better performance.  
  [#5174](https://github.com/netbirdio/netbird/pull/5174)
- Ensured **NetBird stops on firewall initialization failure** to avoid undefined states.  
  [#5208](https://github.com/netbirdio/netbird/pull/5208)
- Fixed **WireGuard watcher** missing the initial handshake.  
  [#5213](https://github.com/netbirdio/netbird/pull/5213)

#### Management Improvements
- Fixed **ephemeral peers not being removed** correctly.  
  [#5203](https://github.com/netbirdio/netbird/pull/5203)
- Fixed **skipping ephemeral peers on deletion**.  
  [#5206](https://github.com/netbirdio/netbird/pull/5206)
- Streamlined **domain validation** logic.  
  [#5211](https://github.com/netbirdio/netbird/pull/5211)

**Full Changelog**: [v0.64.2...v0.64.3](https://github.com/netbirdio/netbird/compare/v0.64.2...v0.64.3)