Racket version 6.10.1 is now available from
Version 6.10.1 patches the recent v6.10 release in three small ways:
* On Linux, corrects a mishandling of file-stream ports that can block
on input or output (such as pipes between processes), where closing
a blocked port may cause a port that's opened later to be
incorrectly reported as blocked.
* On Windows, corrects a crash in the handling of symbolic links.
* On all platforms, corrects the peer-side results from
Racket Announcements list: