dxFeed C API and dxFeed C# API version 5.5.1 with fixes and improvements are already available.
С API Changelog
- Recursive mutexes are now used in the Linux version:
- TheÂ
pthread
 mutexes has been converted to recursive - Fixed zip packaging on Linux
- TheÂ
Â
C# API Changelog
- Data collection inÂ
OrderViewSubscription
 class has been accelerated
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Please contact support@dxfeed.com if you have any questions.