curl and libcurl 8.18.1

 Public curl releases:         273
 Command line options:         273
 curl_easy_setopt() options:   308
 Public functions in libcurl:  100
 Contributors:                 3571

This release includes the following changes:


This release includes the following bugfixes:

 o build: detect and include `inttypes.h` again [13]
 o config-plan9: set `HAVE_STDINT_H` again [17]
 o docs: explicitly call out Slowloris as not a security flaw [6]
 o http/3: add description for known server error codes [15]
 o mprintf: drop old sprintf fallback [7]
 o ngtcp2: stabilize recv [18]
 o tool_dirhie: drop superfluous `F_OK` fallback (Windows) [8]
 o tool_operate: remove 'else' for VMS [3]
 o urldata.h: remove two forward-declared structs not used [4]
 o urldata: switch to uint* types [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 OpenSSL-QUIC
 o RTMP support
 o Support for c-ares versions before 1.16.0
 o Support for Windows XP/2003

 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, James Fuller, Stefan Eissing, Viktor Szakats
  (4 contributors)

References to bug reports and discussions on issues:

 [1] = https://curl.se/bug/?i=20209
 [3] = https://curl.se/bug/?i=20221
 [4] = https://curl.se/bug/?i=20206
 [6] = https://curl.se/bug/?i=20219
 [7] = https://curl.se/bug/?i=20218
 [8] = https://curl.se/bug/?i=20214
 [13] = https://curl.se/bug/?i=20208
 [15] = https://curl.se/bug/?i=20202
 [17] = https://curl.se/bug/?i=20201
 [18] = https://curl.se/bug/?i=20220