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Bump MQTTnet from 4.3.7.1207 to 5.1.0.1559#200

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dependabot/nuget/Thea/MQTTnet-5.1.0.1559
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Bump MQTTnet from 4.3.7.1207 to 5.1.0.1559#200
dependabot[bot] wants to merge 1 commit intodevelopfrom
dependabot/nuget/Thea/MQTTnet-5.1.0.1559

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@dependabot dependabot Bot commented on behalf of github Apr 6, 2026

Updated MQTTnet from 4.3.7.1207 to 5.1.0.1559.

Release notes

Sourced from MQTTnet's releases.

5.1.0

  • Core: Used new language features across the entire library
  • Core: Performance improvements
  • Core: Added validations for variable byte integers which do not match the .NET uint perfectly
  • Client: Added support for pre-encoded UTF-8 binary buffers for user properties (#​2228, thanks to @​koepalex)
  • Server: Improved performance of retained messages when no event handler is attached (#​2093, thanks to @​zhaowgit)
  • Server: The event InterceptingClientEnqueue is now also called for retained messages (BREAKING CHANGE!)
  • Server: The local end point is now also exposed in the channel adapter (#​2179)
  • Marked all projects as AOT compatible
  • Restored the strong name of the nugets
  • Embedded license file in all nugets (#​2197, thanks to @​JensNordenbro)
  • Added support for dotnet10

5.0.1

! Read the migration guide (https://github.com/dotnet/MQTTnet/wiki/Upgrading-guide) before migrating to version 5!

Changes

  • Memory usage optimizations (thanks to @​mregen)
  • Performance optimizations (thanks to @​mregen)
  • Removal of no longer supported .NET Frameworks (BREAKING CHANGE)
  • Changed code signing and nuget certificate
  • Namespace changes (BREAKING CHANGE)
  • Removal of Managed Client (BREAKING CHANGE)
  • Fixed missing release notes in nuget packages.
  • Client: MQTT 5.0.0 is now the default version when connecting with a server (BREAKING CHANGE)
  • Client: Fixed enhanced authentication.
  • Client: Exposed WebSocket compression options in MQTT client options (thanks to @​victornor, #​2127)
  • Server: Fixed enhanced authentication.
  • Server: Set default for "MaxPendingMessagesPerClient" to 1000 (BREAKING CHANGE)
  • Server: Set SSL version to "None" which will let the OS choose the version (BREAKING CHANGE)
  • Server: Added API for getting a single session (thanks to @​AntonSmolkov, #​2131)
  • Server: Fixed "TryPrivate" (Mosquitto feature) handling (thanks to @​victornor, #​2125) (BREAKING CHANGE)
  • Server: Fixed dead lock when awaiting a packet transmission but the packet gets dropped due to quotas (#​2117, thanks to @​AntonSmolkov)

5.0.0

! Read the migration guide (https://github.com/dotnet/MQTTnet/wiki/Upgrading-guide) before migrating to version 5!

Changes

  • Memory usage optimizations (thanks to @​mregen)
  • Performance optimizations (thanks to @​mregen)
  • Removal of no longer supported .NET Frameworks (BREAKING CHANGE)
  • Changed code signing and nuget certificate
  • Namespace changes (BREAKING CHANGE)
  • Removal of Managed Client (BREAKING CHANGE)
  • Client: MQTT 5.0.0 is now the default version when connecting with a server (BREAKING CHANGE)
  • Client: Fixed enhanced authentication.
  • Client: Exposed WebSocket compression options in MQTT client options (thanks to @​victornor, #​2127)
  • Server: Set default for "MaxPendingMessagesPerClient" to 1000 (BREAKING CHANGE)
  • Server: Set SSL version to "None" which will let the OS choose the version (BREAKING CHANGE)
  • Server: Fixed enhanced authentication.
  • Server: Set default for "MaxPendingMessagesPerClient" to 1000 (BREAKING CHANGE)
  • Server: Set SSL version to "None" which will let the OS choose the version (BREAKING CHANGE)
  • Server: Added API for getting a single session (thanks to @​AntonSmolkov, #​2131)
  • Server: Fixed "TryPrivate" (Mosquitto feature) handling (thanks to @​victornor, #​2125) (BREAKING CHANGE)

5.0.0-rc1

! Read the migration guide (https://github.com/dotnet/MQTTnet/wiki/Upgrading-guide) before migrating to version 5!

Changes

  • Memory usage optimizations (thanks to @​mregen)
  • Performance optimizations (thanks to @​mregen)
  • Removal of no longer supported .NET Frameworks (BREAKING CHANGE)
  • Changed code signing and nuget certificate
  • Namespace changes (BREAKING CHANGE)
  • Removal of Managed Client (BREAKING CHANGE)
  • Client: MQTT 5.0.0 is now the default version when connecting with a server (BREAKING CHANGE)

Commits viewable in compare view.

@dependabot dependabot Bot added .NET Pull requests that update .net code dependencies Pull requests that update a dependency file labels Apr 6, 2026
---
updated-dependencies:
- dependency-name: MQTTnet
  dependency-version: 5.1.0.1559
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/nuget/Thea/MQTTnet-5.1.0.1559 branch from 05e7e59 to 69ba933 Compare April 13, 2026 13:34
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