# SoftBank Robotics documentation What's new in NAOqi 2.8?

# Merge Request #25 - 2017-04-27

Most changes for this version are results of our on-going effort to improve the stability of our concurrency and networking platform.

## Improvements

libqi:

- Tests improved: additions and fixes;
- Documentation improved;
- Compilation using VS2015 should work (if you have the appropriate toolchain);
- Rewrote socket implementation;

qi-tools:

- Improved error reporting for qilaunch;
- Improved path usage in qilang;

## Deprecated

libqi:

- qi::PromiseNoop (#34827)

## Fixes

libqi:

- Fix most concurrency issues related from signals, object persistence (more to come);
- Fix some concurrency issues related to gateway and messaging systems (more to come);
- Fix message routing issue resulting in potential blocking remote calls (#35436);
- Fix code compiling when registering several signals with the same name in an object interface;
- Fix waitpid() not always returning the documented values;
- Fix search paths of SDKLayout: search for path.conf instead of relying on bin folder (#33042, #32142);
- Fix some memory leaks (#33341);
- Fix Future::cancel() request not being received by services (#37774)
- Fix a race on socket disconnection in TransportSocketCache
- Fix a system blocking in pySession’s destructor (#38167)

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