diff --git a/src/StructuredLogger.Tests/BinaryLoggerTests.cs b/src/StructuredLogger.Tests/BinaryLoggerTests.cs
index 3a25c149c..d0ff697db 100644
--- a/src/StructuredLogger.Tests/BinaryLoggerTests.cs
+++ b/src/StructuredLogger.Tests/BinaryLoggerTests.cs
@@ -106,6 +106,8 @@ public void TestBinaryLoggerRoundtrip(bool useInMemoryProject)
             var xml1 = GetTestFile("1.xml");
             var xml2 = GetTestFile("2.xml");
 
+            build.Children.Where(c => c.TypeName == "Error").Should().BeEmpty("There should be no errors in the build");
+
             Serialization.Write(build, xml1);
 
             Serialization.Write(build, GetTestFile("1.buildlog"));
diff --git a/src/StructuredLogger/BinaryLogger/BinaryLogger.cs b/src/StructuredLogger/BinaryLogger/BinaryLogger.cs
index 65035a094..eb7c959d4 100644
--- a/src/StructuredLogger/BinaryLogger/BinaryLogger.cs
+++ b/src/StructuredLogger/BinaryLogger/BinaryLogger.cs
@@ -65,6 +65,10 @@ public sealed class BinaryLogger : ILogger
         //   - Making ProjectStartedEventArgs, ProjectEvaluationFinishedEventArgs, AssemblyLoadBuildEventArgs equal
         //     between de/serialization roundtrips.
         //   - Adding serialized events lengths - to support forward compatible reading
+        // version 19:
+        //   - GeneratedFileUsedEventArgs exposed for brief period of time (so let's continue with 20)
+        // version 20:
+        //   - TaskStartedEventArgs: Added TaskAssemblyLocation property
 
         // This should be never changed.
         // The minimum version of the binary log reader that can read log of above version.
@@ -72,7 +76,7 @@ public sealed class BinaryLogger : ILogger
 
         // The current version of the binary log representation.
         // Changes with each update of the binary log format.
-        internal const int FileFormatVersion = 18;
+        internal const int FileFormatVersion = 20;
         // The minimum version of the binary log reader that can read log of above version.
         // This should be changed only when the binary log format is changed in a way that would prevent it from being
         // read by older readers. (changing of the individual BuildEventArgs or adding new is fine - as reader can
diff --git a/src/StructuredLogger/BinaryLogger/BuildEventArgsReader.cs b/src/StructuredLogger/BinaryLogger/BuildEventArgsReader.cs
index f70bf8253..1ce077810 100644
--- a/src/StructuredLogger/BinaryLogger/BuildEventArgsReader.cs
+++ b/src/StructuredLogger/BinaryLogger/BuildEventArgsReader.cs
@@ -910,6 +910,7 @@ private BuildEventArgs ReadTaskStartedEventArgs()
             var taskName = ReadOptionalString();
             var projectFile = ReadOptionalString();
             var taskFile = ReadOptionalString();
+            var taskAssemblyLocation = _fileFormatVersion >= 20 ? ReadOptionalString() : null;
 
             string message = fields.Message;
             if (_fileFormatVersion >= 13)
@@ -926,6 +927,7 @@ private BuildEventArgs ReadTaskStartedEventArgs()
                 fields.Timestamp);
             e.LineNumber = fields.LineNumber;
             e.ColumnNumber = fields.ColumnNumber;
+            e.TaskAssemblyLocation = taskAssemblyLocation;
             SetCommonFields(e, fields);
             return e;
         }
diff --git a/src/StructuredLogger/BinaryLogger/BuildEventArgsWriter.cs b/src/StructuredLogger/BinaryLogger/BuildEventArgsWriter.cs
index 463730149..79172aec9 100644
--- a/src/StructuredLogger/BinaryLogger/BuildEventArgsWriter.cs
+++ b/src/StructuredLogger/BinaryLogger/BuildEventArgsWriter.cs
@@ -412,6 +412,9 @@ private BinaryLogRecordKind Write(TaskStartedEventArgs e)
             WriteDeduplicatedString(e.TaskName);
             WriteDeduplicatedString(e.ProjectFile);
             WriteDeduplicatedString(e.TaskFile);
+            WriteDeduplicatedString(e is TaskStartedEventArgs2 taskStarted2 ?
+                taskStarted2.TaskAssemblyLocation :
+                null);
 
             return BinaryLogRecordKind.TaskStarted;
         }
@@ -792,7 +795,7 @@ private static BuildEventArgsFieldFlags GetBuildEventArgsFieldFlags(BuildEventAr
 
                 // We're only going to write the arguments for messages,
                 // warnings and errors. Only set the flag for these.
-                if (e is LazyFormattedBuildEventArgs lazy && Reflector.GetArguments(lazy) is { Length: > 0} &&
+                if (e is LazyFormattedBuildEventArgs lazy && Reflector.GetArguments(lazy) is { Length: > 0 } &&
                     (e is BuildMessageEventArgs or BuildWarningEventArgs or BuildErrorEventArgs))
                 {
                     flags |= BuildEventArgsFieldFlags.Arguments;
diff --git a/src/StructuredLogger/BinaryLogger/TaskStartedEventArgs2.cs b/src/StructuredLogger/BinaryLogger/TaskStartedEventArgs2.cs
index a72d5d923..f5ca2df52 100644
--- a/src/StructuredLogger/BinaryLogger/TaskStartedEventArgs2.cs
+++ b/src/StructuredLogger/BinaryLogger/TaskStartedEventArgs2.cs
@@ -24,5 +24,6 @@ public TaskStartedEventArgs2(
         // the properties in the base class have an internal setter
         public new int LineNumber { get; set; }
         public new int ColumnNumber { get; set; }
+        public string TaskAssemblyLocation { get; set; }
     }
-}
\ No newline at end of file
+}
diff --git a/src/StructuredLogger/Construction/Construction.cs b/src/StructuredLogger/Construction/Construction.cs
index 9fc8c3195..1b63ff619 100644
--- a/src/StructuredLogger/Construction/Construction.cs
+++ b/src/StructuredLogger/Construction/Construction.cs
@@ -1151,7 +1151,9 @@ private Task CreateTask(TaskStartedEventArgs taskStartedEventArgs)
         {
             var taskName = Intern(taskStartedEventArgs.TaskName);
 
-            string assembly = GetTaskAssembly(taskName);
+            string assembly = taskStartedEventArgs is TaskStartedEventArgs2 taskStartedEventArgs2 && !string.IsNullOrEmpty(taskStartedEventArgs2.TaskAssemblyLocation) ?
+                taskStartedEventArgs2.TaskAssemblyLocation :
+                GetTaskAssembly(taskName);
 
             var taskId = taskStartedEventArgs.BuildEventContext.TaskId;
             var startTime = taskStartedEventArgs.Timestamp;