Nim 0.20.0 (1.0 RC1) released
Version 1.0 will become a long-term supported stable release that will only receive bug fixes and new features in the future, as long as they don’t break backwards compatibility. The procs , and were not clearing their parameter and used to push its value to the left when storing the parsed string into it. base64 module: The default parameter for the procs was changed from to the empty string .
Source: nim-lang.org