diff --git a/NEWS b/NEWS
index 1c45ed1b..18afc522 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,9 @@ Notes for distributors:
 
 Changes:
 
+  • D-Bus Specification v0.17
+    · Reserve the extra characters used in signatures by GVariant
+      (fd.o #34529, Simon McVittie)
   • Don't force -fPIE: distributions and libtool know better than we do whether
     it's desirable (fd.o #16621, fd.o #27215; Simon McVittie)
   • Allow --disable-gc-sections, in case your toolchain offers the