Swift: Change note for mode flags.

2023-09-26 10:02:57 +01:00 · 2023-09-26 10:02:57 +01:00 · 7a450c9941
--- a/swift/ql/lib/change-notes/2023-09-26-regex-mode-flags.md
+++ b/swift/ql/lib/change-notes/2023-09-26-regex-mode-flags.md
@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* The regular expressions library now accepts a wider range of mode flags in a regular expression mode flag group (such as `(?u)`).