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ATLAS Streaming Platform – Release Notes#

This release introduces updates across multiple components of the ATLAS Streaming Platform, with a focus on reliability, scalability, and improved operational control.

Bridge Service v2.1.2.6#

Artifacts: Docker . Windows Binary . Documentation

Changes

Heartbeat-Based Timeout Detection#

The Bridge now uses heartbeat monitoring for more reliable session timeout detection. This prevents premature session termination and ensures stable, continuous data streaming.

Automatic Message Filtering#

Messages originating from stopped sessions are now automatically discarded. This prevents stale data from being processed and ensures that only data from active sessions is streamed.

Process Flow Configuration#

You can now configure how the Bridge handles data flow during high-load scenarios using one of the following strategies:

Sequential Processing#

  • Processes messages in strict first-in, first-out (FIFO) order
  • Guarantees message ordering
  • Best suited for scenarios where data order is critical

Drop Oldest Processing#

  • Prioritizes the most recent data
  • Automatically drops older messages when buffers are full
  • Ideal for real-time applications where the latest data is most important

64-bit Support for Row Data#

Added support for 64-bit row data, enabling handling of larger and more complex datasets.

Session-Aware PGV Searching#

PGV (Parameter Group Value) file searching now correctly terminates when a session ends, improving both performance and resource utilization.

Stream API v2.1.2.52#

Artifacts: GitHub . NuGet . Documentation

Changes

Kafka Consumer Group Support#

You can now specify a Kafka consumer group when creating a connection. This enables:

  • State Persistence – Resume reading from the last committed offset after a restart (or from a specified offset if provided)
  • Offset Management – Kafka automatically tracks consumer progress

Configurable Batch Message Sizes#

The server now supports configurable batch message sizes, allowing you to:

  • Prevent gRPC Errors – Avoid "message size exceeded" errors
  • Optimize Throughput – Configure batch sizes based on your infrastructure
  • Control Timing – Set a maximum wait time before sending incomplete batches

Stream Protocol v2.1.2.4#

Artifacts: GitHub . NuGet . Documentation

Changes - Protos updated to add support of rejoin by exposing consumer group identifier

Support Library v2.1.2.17#

Artifacts: GitHub · NuGet · Documentation

Changes - Updated to leverage changes introduced in the Stream API

Indexing Service#

File Indexer v2.1.2.5#

Artifacts: Docker . Documentation

Changes - General-purpose file indexing and management

Config Indexer v2.1.2.5#

Artifacts: Docker . Documentation

Changes - Specialized indexing and processing for CFG and PGV files

Support#

If you have any questions about this release or need assistance with migration, please contact the Support via Zendesk.