Update README.md and CHANGES.md for v1

its_happening.gif

Author: lucaswerkmeister

CHANGES.md

@@ -7,7 +7,12 @@ but this file may sometimes contain later improvements (e.g. typo fixes).
 
 ## next (not yet released)
 
-No changes yet.
+- First stable release 🎉
+- No changes from v0.9.0,
+  but now that v1 has been reached,
+  the caveat for pre-1.0 versions in the stability policy no longer applies:
+  v1.x versions may contain internal breaking changes,
+  while breaking changes to the public interface will not happen before v2.
 
 ## v0.9.0 (2025-04-11)
 

README.md

@@ -580,9 +580,6 @@ using the words “BREAKING CHANGE” (in all caps).
 Incompatible changes to the internal interface will be mentioned using the words “Internal Breaking Change”,
 not necessarily at the beginning of the entry.
 
-The usual semver interpretation of pre-1.0 versions applies,
-i.e. in `0.x.y`, *x* is the “major” version and *y* the “minor” one.
-
 ## License
 
 Published under the [ISC License][].