diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf53792..b39271f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
+## Version 7.29.0 - 2026-07-07
+
+### Added
+
+- Added `InstrumentDiagnosticSummary` model to support instrument diagnostic summaries.
+
+### Updated
+
+- Extended `InstrumentDataSummary` with `InstrumentDiagnosticSummaries` field.
+
+
 ## Version 7.28.0 - 2026-07-02
 
 ### Added
diff --git a/src/ONE.Interfaces.ProtocolBuffers b/src/ONE.Interfaces.ProtocolBuffers
index 2ac396e..3a4a058 160000
--- a/src/ONE.Interfaces.ProtocolBuffers
+++ b/src/ONE.Interfaces.ProtocolBuffers
@@ -1 +1 @@
-Subproject commit 2ac396e2275ad97183ef330d5eb76ad893f037c1
+Subproject commit 3a4a058d2e9277145f5d0f602f1091df2234646a
diff --git a/src/ONE.Models.CSharp/ONE.Models.CSharp.csproj b/src/ONE.Models.CSharp/ONE.Models.CSharp.csproj
index 0e2cae0..2ec1033 100644
--- a/src/ONE.Models.CSharp/ONE.Models.CSharp.csproj
+++ b/src/ONE.Models.CSharp/ONE.Models.CSharp.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <!--For Release packages update
     the VersionPrefix and remove any VersionSuffix-->
-    <VersionPrefix>7.28.0</VersionPrefix>
+    <VersionPrefix>7.29.0</VersionPrefix>
     <!--For Feature packages update the VersionSuffix with the jira ticket number-->
     <VersionSuffix></VersionSuffix>
     <LangVersion>latest</LangVersion>