curl and libcurl 8.13.1

 Public curl releases:         267
 Command line options:         268
 curl_easy_setopt() options:   307
 Public functions in libcurl:  96
 Contributors:                 3379

This release includes the following changes:


This release includes the following bugfixes:

 o contrithanks.sh: drop set -e [6]
 o lib: unify conversions to/from hex [3]
 o processhelp.pm: avoid potential endless loop, log more (Windows) [5]
 o test: make unittest 1308 into a libtest [4]
 o tests/serverhelp: remove last remnants of http-pipe server [1]

This release includes the following known bugs:

 See https://curl.se/docs/knownbugs.html

For all changes ever done in curl:

 See https://curl.se/changes.html

Planned upcoming removals include:

 o Support for the msh3 HTTP/3 backend
 o The winbuild build system
 o TLS libraries not supporting TLS 1.3

 See https://curl.se/dev/deprecate.html

This release would not have looked like this without help, code, reports and
advice from friends like these:

  Daniel Stenberg, Viktor Szakats, Yedaya Katsman
  (3 contributors)

References to bug reports and discussions on issues:

 [1] = https://curl.se/bug/?i=16924
 [3] = https://curl.se/bug/?i=16888
 [4] = https://curl.se/bug/?i=16891
 [5] = https://curl.se/bug/?i=16908
 [6] = https://curl.se/bug/?i=16914