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 1.1.164
CLR sensor 1.1.164 is released on 19 June 2026.
Improvements
- Microsoft.AspNetCore 2.3.11
- EasyNetQ 8.1.5
For more information, see Supported libraries and frameworks for tracing.
Release 1.1.163
CLR sensor 1.1.163 is released on 11 June 2026.
Features
Currency version upgrades
Fixes
This release fixes the memory leak issue in the Classic Profiler.
Release 1.1.162
CLR sensor 1.1.162 is released on 11 June 2026.
Features
This release upgrades support for the following libraries and frameworks:
- MongoDB.Driver 3.9.0
- StackExchange.Redis 2.13.17
- EntityFramework 6.5.2
For more information, see Supported libraries and frameworks for tracing.
Fixes
This release reintroduced versioned rewriting based on assembly and runtime versions.
Release 1.1.161
CLR sensor 1.1.161 is released 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
ExtractCallDatato include thetypeNamein the data - Adds missing versions to the supported versions list
Release 1.1.159
CLR sensor 1.1.159 is released on 18 May 2026.
Improvements
This release removes outdated CLR libraries from the Instana agent path.
Release 1.1.156
CLR sensor 1.1.156 is released on 01 May 2026.
Features
- Instana OTLP exporter package support
- Currency version upgrades
Release 1.1.155
CLR sensor 1.1.155 is released on 22 April 2026.
Fixes
This release changes the CLR sensor log level for the ManagedLibsVersionMismatch message to debug, reducing unnecessary log noise caused by version mismatch detection.
Release 1.1.154
CLR sensor 1.1.154 is released on 16 April 2026.
Features
This release provides the following features:
- Event driven instrumentation
- Attribute based instrumentation
- Currency version upgrades
Release 1.1.153
CLR sensor 1.1.153 is released on 14 April 2026.
Improvements
Waldo events are now automatically created for user messages in the UI when the sensor detects the need for an IIS reset.
Release 1.1.152
CLR sensor 1.1.152 is released on 6 April 2026.
Features
This release adds regex‑based whitelisting support for .NET Rewriters. For more information, see Whitelisting processes.
CLR Trace sensor
The following releases offer the latest performance updates for CLR Trace sensor:
Release 1.1.9
CLR Trace sensor 1.1.9 is released on 10 March 2025.
Improvements
The CLR Trace sensor 1.1.9 supports live disabling of .NET process profiling.