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.NET agent release notesRSS

August 26, 2019
.NET agent v8.18.241.0

New Features

Fixes

  • Resolves security issue where a manually constructed SQL stored procedure invocation may cause sensitive data to be captured in metric names. See Security Bulletin NR19-05
  • Fix a memory leak introduced in agent version 8.17.438.0.
  • Fixes an issue where NullReferenceExceptions may be logged in scenarios where a large number of segments are created for a single transaction.
  • Fix an issue where the request.uri attribute on transaction traces and event data would be set to the full URI of the request instead of the request path (e.g., http://www.domain.com/request/path instead of /request/path) in automatic instrumentation of ASP.NET and WCF applications, as well as in the agent API method SetTransactionUri().
  • [.NET Core] Fix an issue where memory and CPU metrics may be overstated in APM.
  • [.NET Framework] Fix an issue with the 8.17.438.0 release which can cause a delay in starting up an application.
  • [.NET Framework] Fix an issue where the agent may fail to start for 32-bit ASP.NET MVC applications when the NewRelic.Agent NuGet package was used to install the agent.
  • [.NET Framework] Fix an issue on agent shutdown where an error log message may appear in the agent log indicating an HTTP 409 error response from New Relic. This error did not have any other impact other than appearing in the log.
  • [.NET Framework] Fix an issue where a large number of error messages may be reported on agent startup due to insufficient permissions of the app-pool user to create performance counters. In this release, a specific warning message regarding permissions will be reported.

Upgrading

.NET agent v6.24.0.0

Notes

This is a security-only release for the 6.x agents that support legacy frameworks (.NET version 4.5 and lower). If you are on .NET version 4.5 or higher, or if you are on .NET Core, use the 7.x or later agent versions.

Fixes

Resolves security issue where a manually constructed SQL stored procedure invocation may cause sensitive data to be captured in metric names. See Security Bulletin NR19-05.

Upgrading

July 22, 2019
.NET agent v8.17.438.0

New Features

  • This release adds Transaction event attributes that provide context between your Kubernetes cluster and services. For details on the benefits see this blog post.
  • The NewRelic.Agent NuGet package now includes the x86 (32-bit) profiler for Windows. To monitor 32-bit Windows applications using this NuGet package the COR_PROFILER_PATH (.NET Framework) or the CORECLR_PROFILER_PATH (.NET Core) environment variable needs to be set to the path the of the 32-bit profiler DLL (NewRelic.Profiler.x86.dll).
  • For .NET Core applications hosted in Azure App Services, the New Relic Azure Site Extension can now be used to install the agent. This was previously only available for .NET Framework applications. Follow these procedures to install.

Fixes

  • Fixed an issue where the NRQL Extrapolate clause in Insights did not work properly for Transaction Events.
  • Fixed an issue where cross application tracing could cause a metric grouping issue (MGI) for web requests that result in a 300 or higher response status code. Transaction names may now be rolled up by status code.
  • Fixed an issue where browser script injection in ASP.NET applications could cause a metric grouping issue (MGI) for web requests that result in a 30x redirect status code. Transaction names may now be rolled up by status code.

Upgrading

June 11, 2019
.NET agent v8.16.567.0

Fixes

  • CORS (Cross-Origin Resource Sharing) “pre-flight” requests with the HTTP OPTIONS method were causing extraneous metrics to be generated for ASP.NET Core applications using the CORS middleware. These requests will now be ignored by the agent.
  • Fixes a problem where WCF instrumentation shuts down when WebHttpBinding is used and CAT is enabled.
  • Fixes a problem where an async WCF client call may prevent further data from being captured in a transaction.

New Features

  • Adds database instrumentation for Microsoft.Data.SqlClient.

Upgrading

April 22, 2019
.NET agent v8.15.455.0

Fixes

  • Fixes a problem with parsing method signatures that do not align with ECMA-335 that could cause an application to crash.
  • Fixes a problem where third-party libraries that perform assembly-scanning using reflection may encounter TypeLoadExceptions.
  • Fixes a problem where the agent may incorrectly report Response Time when custom instrumentation is applied to methods that are called from within an instrumented framework (such as ASP.Net).
  • Resolves security issue with how SQL Server handles escaping which could lead to a failure to correctly obfuscate SQL statements. See Security Bulletin NR19-03.
  • Resolves issue with not rolling up 30x HTTP response codes which resulted in MGI issues.

New Features

  • Adds improved WCF support
    • WCF client task asynchronous programming model (following the task asynchronous pattern) calls are tracked as external calls.

Upgrading

.NET agent v6.22.0.0

Notes

This is a security-only release for the 6.x agents that support legacy frameworks (.NET version 4.5 and lower). If you are on .NET version 4.5 and higher or .NET Core, the 7.x or later versions of the agent should be used.

Fixes

  • Resolved security issue with how SQL Server handles escaping which could lead to a failure to correctly obfuscate SQL statements. See Security Bulletin NR19-03.

Upgrading

March 18, 2019
.NET agent v8.14.222.0

Fixes

  • Fixed issue where transactions may not get reported when custom instrumentation is applied to async methods with a void return type. Instrumenting async void methods is generally not recommended and may result in unexpected segment timing as well as the disruption of downstream instrumentation. Please review async limitations online help for alternative approaches.

New Features

  • [.NET Core] Adds support for .NET Core 3.0
  • [.NET Core] Adds support for ASP.NET Core 3.0
  • [.NET Framework] Adds support for .NET Framework 4.8 Early Access build 3694
  • Adds official support for Postgres/Npgsql versions 4.0.
    • Supports Sync and Async methods, on .Net Framework and .Net Core running in Windows and Linux.
    • Eliminates duplicate and extraneous datastore metrics and trace segments associated with opening connections to databases (as seen in prior agent versions).
    • Npgsql versions older than 4.0 may also be instrumented, but duplicate and/or missing metrics are possible.
  • Adds improved WCF support
    • WCF client calls are tracked as external calls
    • WCF client synchronous and asynchronous programming model (following the begin/end asynchronous pattern) calls are tracked.

Upgrading

February 12, 2019
.NET agent v8.13.798.0

Fixes

  • [Framework] Improved support for async workloads in self-hosted OWIN applications.
  • [Framework] Status code only errors are now noticed in self-hosted OWIN applications.

New Features

  • [Framework] Adds support for the following in .Net Framework self-hosted OWIN apps:
    • Microsoft OWIN version 4
    • Distributed tracing
    • Cross application tracing
    • Request parameters capture
    • Request URI capture
    • Introduces single metric creation for HTTP status codes 400 and greater
    • Exception capture from OWIN middleware components

Upgrading

January 9, 2019
.NET agent v8.12.216.0

Fixes

  • Fixed an issue where the response time of a web transaction could be misreported when making asynchronous external calls whose duration extended beyond the time the web transaction response ended.
  • Fixed an issue when using OpenRasta instrumentation where the full URL could be captured on instrumented requests. This may have resulted in query strings being collected which can contain sensitive information. See security bulletin NR19-01.
  • Fixes an issue with auto-instrumenting RestSharp and Couchbase driver calls involving non-public collection types.

Upgrading

December 17, 2018
.NET agent v8.11.157.0

Fixes

  • Fixes an issue where stack traces for custom errors outside a transaction were not visible in the Error Analytics UI page.
  • Fixes an issue with auto-instrumenting MongoDB driver calls involving non-public collection types.
  • Fixes an issue with reporting the same transaction multiple times.

New Features

  • Improved performance when serializing metrics prior to sending to New Relic.
  • Improved SQL-related database instrumentation performance.

Upgrading

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