Merge branch 'maintenance/4.0.x' into post-4.0.3

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 40f2106..0e4312e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,10 +38,16 @@
 
 
 
-What's New in astroid 4.0.3?
+What's New in astroid 4.0.4?
 ============================
 Release date: TBA
 
+
+
+What's New in astroid 4.0.3?
+============================
+Release date: 2026-01-03
+
 * Fix inference of ``IfExp`` (ternary expression) nodes to avoid prematurely narrowing
   results in the face of inference ambiguity.