v4.20.4 v1.102.3
affaan-m/ECCAug 20, 2026 → Aug 20, 20260 days between releases
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Analyzing what changed between v4.20.4 and v1.102.3. This page updates automatically — usually within a minute.
The Two Releases
v4.20.4
v4.20.4
Aug 20, 2026· 2 months ago
This release focuses on stability and performance. It resolves a critical crash bug where replicas would SIGSEGV when encountering divergent UPDATE_EDGE or UPDATE_NODE effects, and optimizes graph loading by removing unnecessary full sync operations during decoding.
Full release notesv1.102.3
v1.102.3
Aug 20, 2026· 2 months ago
Minimal release notes: "Please refer to the changelog available at https://tailscale.com/changelog"
Full release notes