diff --git a/Tailscale-1.20.md b/Tailscale-1.20.md
index be3c4b1..c01cf35 100644
--- a/Tailscale-1.20.md
+++ b/Tailscale-1.20.md
@@ -14,6 +14,7 @@
 - added `Online` boolean to `tailscale status --json`, made `tailscale status` show offline nodes
 - added `tailscale up --json`
 - MagicDNS now works over IPv6 when CGNAT IPv4 is disabled using `DisableIPv4: true` in ACL
+- choose a new DERP if the current DERP is removed from the DERPmap.
 
 ## Linux
 - `tailscale file cp` sends via the local tailscaled now, so it now supports `tailscaled` running in tun-free, `userspace-networking` mode (such as on Synology DSM7 unless you [enable TUN mode](https://tailscale.com/kb/1152/synology-outbound/))