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 1.1.170
CLR sensor 1.1.170 is released on 3 August 2026.
Features
This release provides the following features:
- Upgrades support for the following libraries and frameworks:
- CouchbaseNetClient 3.9.4
- Serilog 4.4.0
- Oracle.ManagedDataAccess 23.26.300
- Quartz 3.19.0
- Marks calls as erroneous based on 4xx HTTP status codes.
- Captures stack traces on exceptions only.
For more information, see Supported libraries and frameworks for tracing.
Improvements
This release adds validation of the CLRDebugLog path and user permissions before creating log files.
Release 1.1.169
Instana released CLR sensor 1.1.169 on 20 July 2026.
Features
- 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
- 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.
Improvements
- CouchbaseNetClient 3.9.3
- ServiceStack 10.0.8
- ServiceStack.Redis 10.0.8
For more information, see Supported libraries and frameworks for tracing.
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.
Improvements
- Microsoft.AspNetCore 2.3.11
- EasyNetQ 8.1.5
For more information, see Supported libraries and frameworks for tracing.
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.
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
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
ExtractCallDatato include thetypeNamein 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.