Add change note

tamasvajk · tamasvajk · commit 8e8c3a9ded14 · 2020-12-18T09:15:33.000+01:00
diff --git a/csharp/change-notes/2020-12-18-extract-custom-modifiers.md b/csharp/change-notes/2020-12-18-extract-custom-modifiers.md
@@ -0,0 +1,4 @@
+lgtm,codescanning
+* CIL extraction has been improved to store `modreq` and `modopt` custom modifiers.
+The extracted information is surfaced through the `CustomModifierReceiver` class. Additionally,
+the information is also used to evaluate the new `Setter.isInitOnly` predicate.
