DEPRECATE.md: drop support for c-ares versions before 1.16.0

in March 2026

That month, c-ares 1.16.0 celebrates its sixth birthday.

Closes #18408

diff --git a/docs/DEPRECATE.md b/docs/DEPRECATE.md
index d41fefe26cf7f89ca23388f5392c94b891f56e07..bc4c0fc6ab2f6ed7676851deb0bcead0161f8e5f 100644 (file)
--- a/docs/DEPRECATE.md
+++ b/docs/DEPRECATE.md
@@ -44,6 +44,10 @@ In January 2026, curl drops support for Windows XP and Server 2003. Their
 
 Making the new minimum target Windows version Vista / Server 2008.
 
+## c-ares 1.16.0
+
+In March 2026, we drop support for all c-ares versions before 1.16.0.
+
 ## Past removals
 
  - axTLS (removed in 7.63.0)