dxFeed C API and dxFeed C# API version 6.0.1 with fixes and improvements are already available.
C API Changelog
- Fixed crashes and memory corruption that occurred when adding and removing symbols
- Fixed memory corruption during connection restoration and changing the list of subscription symbols
- The order source for subscribing to aggregated data (MarketMaker) was changed from COMPOSITE_ASK|BID to AGGREGATE_ASK|BID. This is now compliant with Java API
- COM support was removed
- Fixed a bug with SEGFAULT in TLS mode when sending data on reconnection
- Fixed excess memory consumption when retrieving Option symbols
- Added descriptions to all error codes
- Fixed bug that occurred during a second addition to the same symbols
- Fixed bug with System.AccessViolationException while closing connection
C# API Changelog
- Fixed crashes and memory corruption that occurred when adding and removing symbols
- Fixed memory corruption during connection restoration and changing the list of subscription symbols
- The order source for subscribing to aggregated data (MarketMaker) was changed from COMPOSITE_ASK|BID to AGGREGATE_ASK|BID. This is now compliant with Java API
- Fixed a bug with C-API SEGFAULT in TLS mode when sending data on reconnection
- Fixed excess memory consumption when retrieving Option symbols
- Added descriptions to all C-API error codes
- Fixed bug that occurred during a second addition to the same symbols
- Fixed bug with System.AccessViolationException while closing connection
Please refer to dxFeed Help Desk if you have any questions or concerns.