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Updated Microsoft.Orleans.Core.Abstractions from 9.1.2 to 9.2.1.

Release notes

Sourced from Microsoft.Orleans.Core.Abstractions's releases.

9.2.1

What's Changed

Full Changelog: dotnet/orleans@v9.2.0...v9.2.1

9.2.0

Orleans v9.2.0 includes significant new features, performance improvements, and enhanced developer experience. This release introduces native .NET CancellationToken support, new storage providers, improved placement strategies, and numerous performance optimizations.

The following is an AI-authored summary of the changes, with a full list of PRs at the bottom.

Major Features

CancellationToken Support (#​9127)

Orleans now has full support for .NET's CancellationToken in grain methods, aligning with standard .NET async patterns and making it easier to handle cancellation scenarios in your grain operations.

Log-structured Grain Storage (#​9450)

A new high-performance storage provider that uses a log-structured approach for improved write performance and reduced storage overhead.

ADO.NET Grain Directory (#​9263)

Introduces a database-backed grain directory implementation, providing an alternative to in-memory directory storage with support for various relational databases. This enables persistent grain location information across cluster restarts and supports larger clusters with reduced memory overhead.

Memory-based Activation Shedding (#​9532, #​9577)

Automatic grain deactivation under memory pressure helps prevent out-of-memory conditions by intelligently shedding grain activations when memory usage is high.

Silo Metadata and Placement Filtering (#​9271, #​9368, #​9380, #​9482)

Enhanced placement control allowing you to filter silo selection based on custom metadata, enabling more sophisticated deployment scenarios.

Placement and Load Balancing

  • ResourceOptimizedPlacement as Default (#​9533) - The default placement strategy is now ResourceOptimizedPlacement for better resource utilization
  • Fully Adaptive Stateless Worker (#​9378) - Improved stateless grain scaling behavior
  • Rebalancer-compatible Tolerance Rule (#​9464, #​9467) - Better compatibility with grain rebalancing

Grain Directory Improvements

ADO.NET Grain Directory

The new ADO.NET Grain Directory (#​9263) provides:

  • Persistent grain location storage - Grain locations survive cluster restarts
  • Reduced memory footprint - Offload directory data to database
  • Support for multiple database providers - Works with SQL Server, MySQL, PostgreSQL, and other ADO.NET compatible databases
  • Scalability - Better support for very large clusters

Directory Caching Changes

  • Removed Adaptive Directory Caching (#​9542) - The adaptive caching strategy has been obsoleted and removed. The standard caching mechanism provides better performance and consistency.

Performance Improvements

  • Replaced LRU with LRU based on BitFaster.Caching (#​9530) - More efficient caching implementation
  • Reduced log noise during debugging (#​9397) - Cleaner debug experience
  • Optimized Azure Storage operations (#​9373, #​9420) - Fewer exceptions and unnecessary IO
  • Improved allocation patterns (#​9570) - Better memory efficiency for cache invalidation
  • IAsyncEnumerable improvements (#​9366, #​9387, #​9359) - Fixed cancellation propagation and bounded operation times

Storage and Persistence

Azure Storage

... (truncated)

9.2.0-preview3

What's Changed

Full Changelog: dotnet/orleans@v9.2.0-preview2...v9.2.0-preview3

9.2.0-preview2

What's Changed

9.2.0-preview1

What's Changed

New Contributors

Full Changelog: dotnet/orleans@v9.1.2...v9.2.0-preview1

Commits viewable in compare view.

Updated Microsoft.Orleans.Sdk from 9.1.2 to 9.2.1.

Release notes

Sourced from Microsoft.Orleans.Sdk's releases.

9.2.1

What's Changed

Full Changelog: dotnet/orleans@v9.2.0...v9.2.1

9.2.0

Orleans v9.2.0 includes significant new features, performance improvements, and enhanced developer experience. This release introduces native .NET CancellationToken support, new storage providers, improved placement strategies, and numerous performance optimizations.

The following is an AI-authored summary of the changes, with a full list of PRs at the bottom.

Major Features

CancellationToken Support (#​9127)

Orleans now has full support for .NET's CancellationToken in grain methods, aligning with standard .NET async patterns and making it easier to handle cancellation scenarios in your grain operations.

Log-structured Grain Storage (#​9450)

A new high-performance storage provider that uses a log-structured approach for improved write performance and reduced storage overhead.

ADO.NET Grain Directory (#​9263)

Introduces a database-backed grain directory implementation, providing an alternative to in-memory directory storage with support for various relational databases. This enables persistent grain location information across cluster restarts and supports larger clusters with reduced memory overhead.

Memory-based Activation Shedding (#​9532, #​9577)

Automatic grain deactivation under memory pressure helps prevent out-of-memory conditions by intelligently shedding grain activations when memory usage is high.

Silo Metadata and Placement Filtering (#​9271, #​9368, #​9380, #​9482)

Enhanced placement control allowing you to filter silo selection based on custom metadata, enabling more sophisticated deployment scenarios.

Placement and Load Balancing

  • ResourceOptimizedPlacement as Default (#​9533) - The default placement strategy is now ResourceOptimizedPlacement for better resource utilization
  • Fully Adaptive Stateless Worker (#​9378) - Improved stateless grain scaling behavior
  • Rebalancer-compatible Tolerance Rule (#​9464, #​9467) - Better compatibility with grain rebalancing

Grain Directory Improvements

ADO.NET Grain Directory

The new ADO.NET Grain Directory (#​9263) provides:

  • Persistent grain location storage - Grain locations survive cluster restarts
  • Reduced memory footprint - Offload directory data to database
  • Support for multiple database providers - Works with SQL Server, MySQL, PostgreSQL, and other ADO.NET compatible databases
  • Scalability - Better support for very large clusters

Directory Caching Changes

  • Removed Adaptive Directory Caching (#​9542) - The adaptive caching strategy has been obsoleted and removed. The standard caching mechanism provides better performance and consistency.

Performance Improvements

  • Replaced LRU with LRU based on BitFaster.Caching (#​9530) - More efficient caching implementation
  • Reduced log noise during debugging (#​9397) - Cleaner debug experience
  • Optimized Azure Storage operations (#​9373, #​9420) - Fewer exceptions and unnecessary IO
  • Improved allocation patterns (#​9570) - Better memory efficiency for cache invalidation
  • IAsyncEnumerable improvements (#​9366, #​9387, #​9359) - Fixed cancellation propagation and bounded operation times

Storage and Persistence

Azure Storage

... (truncated)

9.2.0-preview3

What's Changed

Full Changelog: dotnet/orleans@v9.2.0-preview2...v9.2.0-preview3

9.2.0-preview2

What's Changed

9.2.0-preview1

What's Changed

New Contributors

Full Changelog: dotnet/orleans@v9.1.2...v9.2.0-preview1

Commits viewable in compare view.

Updated Microsoft.Orleans.Transactions from 9.1.2 to 9.2.1.

Release notes

Sourced from Microsoft.Orleans.Transactions's releases.

9.2.1

What's Changed

Full Changelog: dotnet/orleans@v9.2.0...v9.2.1

9.2.0

Orleans v9.2.0 includes significant new features, performance improvements, and enhanced developer experience. This release introduces native .NET CancellationToken support, new storage providers, improved placement strategies, and numerous performance optimizations.

The following is an AI-authored summary of the changes, with a full list of PRs at the bottom.

Major Features

CancellationToken Support (#​9127)

Orleans now has full support for .NET's CancellationToken in grain methods, aligning with standard .NET async patterns and making it easier to handle cancellation scenarios in your grain operations.

Log-structured Grain Storage (#​9450)

A new high-performance storage provider that uses a log-structured approach for improved write performance and reduced storage overhead.

ADO.NET Grain Directory (#​9263)

Introduces a database-backed grain directory implementation, providing an alternative to in-memory directory storage with support for various relational databases. This enables persistent grain location information across cluster restarts and supports larger clusters with reduced memory overhead.

Memory-based Activation Shedding (#​9532, #​9577)

Automatic grain deactivation under memory pressure helps prevent out-of-memory conditions by intelligently shedding grain activations when memory usage is high.

Silo Metadata and Placement Filtering (#​9271, #​9368, #​9380, #​9482)

Enhanced placement control allowing you to filter silo selection based on custom metadata, enabling more sophisticated deployment scenarios.

Placement and Load Balancing

  • ResourceOptimizedPlacement as Default (#​9533) - The default placement strategy is now ResourceOptimizedPlacement for better resource utilization
  • Fully Adaptive Stateless Worker (#​9378) - Improved stateless grain scaling behavior
  • Rebalancer-compatible Tolerance Rule (#​9464, #​9467) - Better compatibility with grain rebalancing

Grain Directory Improvements

ADO.NET Grain Directory

The new ADO.NET Grain Directory (#​9263) provides:

  • Persistent grain location storage - Grain locations survive cluster restarts
  • Reduced memory footprint - Offload directory data to database
  • Support for multiple database providers - Works with SQL Server, MySQL, PostgreSQL, and other ADO.NET compatible databases
  • Scalability - Better support for very large clusters

Directory Caching Changes

  • Removed Adaptive Directory Caching (#​9542) - The adaptive caching strategy has been obsoleted and removed. The standard caching mechanism provides better performance and consistency.

Performance Improvements

  • Replaced LRU with LRU based on BitFaster.Caching (#​9530) - More efficient caching implementation
  • Reduced log noise during debugging (#​9397) - Cleaner debug experience
  • Optimized Azure Storage operations (#​9373, #​9420) - Fewer exceptions and unnecessary IO
  • Improved allocation patterns (#​9570) - Better memory efficiency for cache invalidation
  • IAsyncEnumerable improvements (#​9366, #​9387, #​9359) - Fixed cancellation propagation and bounded operation times

Storage and Persistence

Azure Storage

... (truncated)

9.2.0-preview3

What's Changed

Full Changelog: dotnet/orleans@v9.2.0-preview2...v9.2.0-preview3

9.2.0-preview2

What's Changed

9.2.0-preview1

What's Changed

New Contributors

Full Changelog: dotnet/orleans@v9.1.2...v9.2.0-preview1

Commits viewable in compare view.

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@dependabot
Bump Microsoft.Orleans.Core.Abstractions and 2 others
331bac0 
Bumps Microsoft.Orleans.Core.Abstractions from 9.1.2 to 9.2.1
Bumps Microsoft.Orleans.Sdk from 9.1.2 to 9.2.1
Bumps Microsoft.Orleans.Transactions from 9.1.2 to 9.2.1

---
updated-dependencies:
- dependency-name: Microsoft.Orleans.Core.Abstractions
  dependency-version: 9.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Sdk
  dependency-version: 9.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Transactions
  dependency-version: 9.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added .NET Pull requests that update .net code dependencies Pull requests that update a dependency file labels Jul 23, 2025
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