C#: Add change note.

aschackmull · aschackmull · commit 21a0d1444fe6 · 2026-05-01T13:13:40.000+02:00
diff --git a/csharp/ql/lib/change-notes/2026-05-01-ssa-replacement.md b/csharp/ql/lib/change-notes/2026-05-01-ssa-replacement.md
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+---
+category: deprecated
+---
+* The QL classes in the C# SSA library have been renamed to improve consistency between languages. Any custom QL code that makes use of SSA needs to be updated. The old classes have been deprecated and include more detailed migration instructions in their qldoc.

-Original file line number
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 +---
 +category: deprecated
 +---
 +* The QL classes in the C# SSA library have been renamed to improve consistency between languages. Any custom QL code that makes use of SSA needs to be updated. The old classes have been deprecated and include more detailed migration instructions in their qldoc.