Release Announcement for v8.15

[shhyou]

1

I feel like fixes and improvements to raco demod is worth mentioning:

Trying out raco demod

Hi Thought I’d try out raco demod but I’ve run into a little roadblock I’ve got a nice little module cli-command/hello.rkt at master · racket-templates/cli-command · GitHub I ran raco demod -o hellod -g hello.rkt and it made hellod with no problems. Then I ran raco exe -o hellodemod hellod to make my executable. Sadly this fails with missing submodule declaration: ‘configure-runtime . Would appreciate any guidance and/or pointers to the manual. Best regards Stephen (Edit corrected typos…

2

@jbclements

• Hostname resolution on some platforms passes the AI_V4MAPPED and
  AI_ADDRCONFIG flags to getaddrinfo, for some improvement in
  IPv4 vs. IPv6 handling.

How about something user-oriented like: Racket supports falling back to IPv4 during hostname resolution when IPv6 fails.

From:

IPv6 fallback to IPv4

I recently had an issue where my IPv6 connection was not working (ping google.com resolved to an IPv6 address and failed to get a response), but IPv4 was working (ping -4 google.com got responses). I was able to use Firefox without noticing any issues, but my racket programs had failed with timeout errors. Is there perhaps a way to either force racket to use IPv4 or try to set a fallback mechanism to use IPv4 in case of IPv6 connection failures? So far, this situation seems very rare for my inte…

3

@jbclements

• Raco pkg introduces the uninstall command, deprecating the remove
  command.

Maybe this can be mentioned earlier because it's user-facing.