Update version, Optimize code, Fix #3968, Fix #3917

[matyhtf]

No description provided.

[codecov]

Codecov Report

Merging #4007 (c7e5dfd) into master (b8cce7c) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4007   +/-   ##
=======================================
  Coverage   49.21%   49.22%           
=======================================
  Files          69       69           
  Lines       13045    13045           
=======================================
+ Hits         6420     6421    +1     
+ Misses       6625     6624    -1     

Impacted Files	Coverage Δ
src/os/async_thread.cc	69.43% <0.00%> (+0.43%)	⬆️

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