diff --git a/ReleaseNotes/v27r4.md b/ReleaseNotes/v27r4.md
index 92d5b419e0086c91bc4e3af26ca1d6afe529c14f..de83b1f36321626ab848a9526181da00d5e6e8a0 100644
--- a/ReleaseNotes/v27r4.md
+++ b/ReleaseNotes/v27r4.md
@@ -1,9 +1,13 @@
-2022-12-16 Phys v27r4
+2023-01-12 Phys v27r4
 ===
 
-This version uses Gaudi v33r9, LCG 101a, ROOT 6.24.08, Rec v25r2
+This version uses Gaudi v33r9, LCG 101a, ROOT 6.24.08, Rec v25r2.
 
-This version is released on `run2-patches` branch and is intended for use with Run1 or Run2 data. For Run3, use a version released on `master` branch.
+This version is released on `run2-patches` branch and is intended for use with Run1 or Run2 data. For Run3, use a version released on `master` branch
+Built relative to Phys [v27r3](../-/tags/v27r3), with the following changes:
 
-Built relative to Phys [v27r3](../-/tags/v27r3), with the following changes with only changes to upstream packages.
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+- Follow LHCb!3734 (type safety in LHCbID), !1043 (@cattanem) [#1,#10,#11,#2,#3,#4,#5,#6,#7,#8,#9]