Use `foo!` as sugar for `foo.FirstTag!` for enum values. Also, give

better error messages for this kind of `!` assertion.

1 files changed, 3 insertions, 0 deletions

diff --git a/CHANGES.md b/CHANGES.md
index 7081a1bf..8468e4a7 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,9 @@
 ## v2025-12-06
 
 - You can now discard Empty values.
+- For an enum `Foo(A,B,C)`, the syntax `f!` now desugars to `f.A!` using the
+  first tag defined in the enum.
+- Error messages are more helpful for `foo.Whatever!` enum field accessing.
 
 ## v2025-11-30