Update RELEASES.md

XAMPPRocky · web-flow · commit 8482ec952dcb · 2021-01-22T11:15:24.000Z
diff --git a/RELEASES.md b/RELEASES.md
@@ -4,6 +4,7 @@ Version 1.50.0 (2021-02-11)
 Language
 -----------------------
 - [You can now use `const` values for `x` in `[x; N]` array expressions.][79270]
+  This has been technically possible since 1.38.0, as it was unintentionally stabilized.
 - [Assignments to `ManuallyDrop<T>` union fields are now considered safe.][78068]
 
 Compiler
