CLR sensor releases

Instana® monitors .NET Framework-based applications by using the Instana CLR trace sensor. The sensor provides insights into the health and performance of the .NET Framework-based applications.

For more information, see Monitoring .NET Framework-based applications.

CLR sensor

The following releases offer the latest performance updates for CLR sensor:

Release 1.1.169

Instana released CLR sensor 1.1.169 on 20 July 2026.

Features

This release upgrades support for the following libraries and frameworks:
  • StackExchange.Redis 3.0.0
  • NLog 6.1.4
  • StackExchange.Redis 3.0.17
  • MongoDB.Driver 3.10.0
  • StackExchange.Redis 3.0.7
  • StackExchange.Redis 3.0.11

For more information, see Supported libraries and frameworks for tracing.

Release 1.1.168

Instana released CLR sensor 1.1.168 on 13 July 2026.

Fixes

This release fixes an issue with the lifetime of module metadata interfaces.

Release 1.1.167

Instana released CLR sensor 1.1.167 on 8 July 2026.

Improvements

This release upgrades support for the following libraries and frameworks:
  • System.data.sqlclient 4.9.1
  • Azure.Storage.Queues 12.27.1
  • Log4net 3.3.2
  • Quartz 3.18.2

For more information, see Supported libraries and frameworks for tracing.

Release 1.1.166

Instana released CLR sensor 1.1.166 on 2 July 2026.

Release 1.1.165

Instana released CLR sensor 1.1.165 on 26 June 2026.

Improvements

This release improves the thread pool management for .NET Core library installation and legacy version cleanup operations.

Release 1.1.164

Instana released CLR sensor 1.1.164 on 19 June 2026.

Release 1.1.163

Instana released CLR sensor 1.1.163 on 11 June 2026.

Features

Currency version upgrades

Fixes

This release fixes the memory leak issue in the Classic Profiler.

Release 1.1.162

Instana released CLR sensor 1.1.162 on 11 June 2026.

Fixes

This release reintroduced versioned rewriting based on assembly and runtime versions.

Release 1.1.161

Instana released CLR sensor 1.1.161 on 27 May 2026.

Features

This release upgrades support for the following libraries and frameworks:

  • StackExchange.Redis 2.13.1
  • MySql.Data 9.7.0
  • CouchbaseNetClient 3.9.2
  • MongoDB.Driver 3.8.1
  • Microsoft.AspNetCore 2.3.10
  • Azure.Storage.Queues 12.26.0

For more information, see Supported libraries and frameworks for tracing.

Improvements

This release provides the following enhancements:

  • Captures Request and Response HTTP headers on both HTTP entries and exits
  • Refactores the instrumentation by modifying ExtractCallData to include the typeName in the data
  • Adds missing versions to the supported versions list

Release 1.1.159

Instana released CLR sensor 1.1.159 on 18 May 2026.

Improvements

This release removes outdated CLR libraries from the Instana agent path.

CLR trace sensor

The following releases offer the latest performance updates for CLR Trace sensor:

Release 1.1.10

Instana released CLR Trace sensor 1.1.10 on 14 July 2025.

Improvements

The CLR Trace sensor now validates incoming trace data against the schema before sending the data to the backend.

Release 1.1.9

Instana released CLR Trace sensor 1.1.9 on 10 March 2025.

Improvements

The CLR Trace sensor 1.1.9 supports live disabling of .NET process profiling.