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Version 0.19.6 released

The Nim team is happy to announce that the latest release of Nim, version 0.19.6, is now available. Nim is a systems programming language that focuses on performance, portability and expressiveness.

This is the third bugfix release of version 0.19. There are no breaking changes. The most important bugfixes are:

  • Boolean logic at compile time is now correct.
  • Bitwise operations on signed integers in VM are fixed.
  • Fixed object self-assignment order of evaluation.
  • Compiler no longer crashes with generic types and static generic parameters.
  • Fixed raising generic exceptions.

Installing 0.19.6

If you have installed a previous version of Nim using choosenim, getting Nim 0.19.6 is as easy as:

$ choosenim update stable

If you don’t have it already, you can get choosenim by following these instructions or you can install Nim by following the instructions on our install page.

Bugfixes

  • Fixed “32 bit signed xor broken on VM” (#10482)
  • Fixed “SetMaxPoolSize not heeded” (#10584)
  • Fixed “uint inplace add in if branch is omitted when compiled to JS” (#10697)
  • Fixed “Booleans Work Wrong in Compile-time” (#10886)
  • Fixed “Bug in setTerminate()” (#10765)
  • Fixed “Cannot raise generic exception” (#7845)
  • Fixed “Nim string definition conflicts with other C/C++ instances” (#10907)
  • Fixed “std/json fails to escape most non-printables, breaking generation and parsing” (#10541)
  • Fixed “object self-assignment order-of-evaluation broken” (#9844)
  • Fixed “Compiler crash with generic types and static generic parameters” (#7569)