curl and libcurl 7.67.0

 Public curl releases:         186
 Command line options:         226
 curl_easy_setopt() options:   269
 Public functions in libcurl:  81
 Contributors:                 2056

This release includes the following changes:

 o curl: added --no-progress-meter [73]
 o setopt: CURLMOPT_MAX_CONCURRENT_STREAMS is new [55]
 o urlapi: CURLU_NO_AUTHORITY allows empty authority/host part [22]

This release includes the following bugfixes:

 o BINDINGS: five new bindings addded
 o CURLOPT_TIMEOUT.3: Clarify transfer timeout time includes queue time [78]
 o CURLOPT_TIMEOUT.3: remove the mention of "minutes" [74]
 o ESNI: initial build/setup support [71]
 o FTP: FTPFILE_NOCWD: avoid redundant CWDs [28]
 o FTP: allow "rubbish" prepended to the SIZE response [15]
 o FTP: remove trailing slash from path for LIST/MLSD [6]
 o FTP: skip CWD to entry dir when target is absolute [16]
 o FTP: url-decode path before evaluation [36]
 o HTTP3.md: move -p for mkdir, remove -j for make [46]
 o HTTP3: fix invalid use of sendto for connected UDP socket [109]
 o HTTP3: fix ngtcp2 Windows build [93]
 o HTTP3: fix prefix parameter for ngtcp2 build [40]
 o HTTP3: fix typo somehere1 > somewhere1 [108]
 o HTTP3: show an --alt-svc using example too
 o INSTALL: add missing space for configure commands [106]
 o INSTALL: add vcpkg installation instructions [35]
 o README: minor grammar fix [39]
 o altsvc: accept quoted ma and persist values [60]
 o altsvc: both backends run h3-23 now [31]
 o appveyor: Add MSVC ARM64 build [87]
 o appveyor: Use two parallel compilation on appveyor with CMake [98]
 o appveyor: add --disable-proxy autotools build [94]
 o appveyor: add 32-bit MinGW-w64 build [58]
 o appveyor: add a winbuild [14]
 o appveyor: add a winbuild that uses VS2017 [84]
 o appveyor: make winbuilds with DEBUG=no/yes and VS 2015/2017 [95]
 o appveyor: publish artifacts on appveyor [105]
 o appveyor: upgrade VS2017 to VS2019 [29]
 o asyn-thread: make use of Curl_socketpair() where available [85]
 o asyn-thread: s/AF_LOCAL/AF_UNIX for Solaris [3]
 o build: Remove unused HAVE_LIBSSL and HAVE_LIBCRYPTO defines [77]
 o checksrc: fix uninitialized variable warning [57]
 o chunked-encoding: stop hiding the CURLE_BAD_CONTENT_ENCODING error [56]
 o cirrus: Increase the git clone depth
 o cirrus: Switch the FreeBSD 11.x build to 11.3 and add a 13.0 build
 o cirrus: switch off blackhole status on the freebsd CI machines [72]
 o cleanups: 21 various PVS-Studio warnings [24]
 o configure: only say ipv6 enabled when the variable is set [110]
 o configure: remove all cyassl references [90]
 o conn-reuse: requests wanting NTLM can reuse non-NTLM connections [99]
 o connect: return CURLE_OPERATION_TIMEDOUT for errno == ETIMEDOUT [72]
 o connect: silence sign-compare warning [83]
 o cookie: avoid harmless use after free [69]
 o cookie: pass in the correct cookie amount to qsort() [27]
 o cookies: change argument type for Curl_flush_cookies [67]
 o cookies: using a share with cookies shouldn't enable the cookie engine [63]
 o copyrights: update copyright notices to 2019 [101]
 o curl: create easy handles on-demand and not ahead of time [54]
 o curl: ensure HTTP 429 triggers --retry [64]
 o curl: exit the create_transfers loop on errors [33]
 o curl: fix memory leaked by parse_metalink() [17]
 o curl: load large files with -d @ much faster [19]
 o docs/HTTP3: fix `--with-ssl` ngtcp2 configure flag [21]
 o docs: added multi-event.c example [75]
 o docs: disambiguate CURLUPART_HOST is for host name (ie no port) [62]
 o docs: note on failed handles not being counted by curl_multi_perform [70]
 o doh: allow only http and https in debug mode [48]
 o doh: avoid truncating DNS QTYPE to lower octet [23]
 o doh: clean up dangling DOH memory on easy close [9]
 o doh: fix (harmless) buffer overrun [13]
 o doh: fix undefined behaviour and open up for gcc and clang optimization [12]
 o doh: return early if there is no time left [48]
 o examples/sslbackend: fix -Wchar-subscripts warning [89]
 o examples: remove the "this exact code has not been verified"
 o git: add tests/server/disabled to .gitignore [59]
 o gnutls: make gnutls_bye() not wait for response on shutdown [104]
 o http2: expire a timeout at end of stream [88]
 o http2: prevent dup'ed handles to send dummy PRIORITY frames [68]
 o http2: relax verification of :authority in push promise requests [8]
 o http2_recv: a closed stream trumps pause state [88]
 o http: lowercase headernames for HTTP/2 and HTTP/3 [49]
 o ldap: Stop using wide char version of ldapp_err2string [1]
 o ldap: fix OOM error on missing query string [76]
 o mbedtls: add error message for cert validity starting in the future [102]
 o mime: when disabled, avoid C99 macro [7]
 o ngtcp2: adapt to API change [66]
 o ngtcp2: compile with latest ngtcp2 + nghttp3 draft-23 [25]
 o ngtcp2: remove fprintf() calls [43]
 o openssl: close_notify on the FTP data connection doesn't mean closure [20]
 o openssl: fix compiler warning with LibreSSL [34]
 o openssl: use strerror on SSL_ERROR_SYSCALL [41]
 o os400: getpeername() and getsockname() return ebcdic AF_UNIX sockaddr [47]
 o parsedate: fix date parsing disabled builds [18]
 o quiche: don't close connection at end of stream
 o quiche: persist connection details (fixes -I with --http3) [11]
 o quiche: set 'drain' when returning without having drained the queues
 o quiche: update HTTP/3 config creation to new API [61]
 o redirect: handle redirects to absolute URLs containing spaces [52]
 o runtests: get textaware info from curl instead of perl [86]
 o schannel: reverse the order of certinfo insertions [96]
 o schannel_verify: Fix concurrent openings of CA file [103]
 o security: silence conversion warning [83]
 o setopt: handle ALTSVC set to NULL
 o setopt: make it easier to add new enum values [4]
 o setopt: store CURLOPT_RTSP_SERVER_CSEQ correctly [24]
 o smb: check for full size message before reading message details [10]
 o smbserver: fix Python 3 compatibility [82]
 o socks: Fix destination host shown on SOCKS5 error [32]
 o test1162: disable MSYS2's POSIX path conversion
 o test1591: fix spelling of http feature [97]
 o tests: add `connect to non-listen` keywords [91]
 o tests: fix narrowing conversion warnings [37]
 o tests: fix the test 3001 cert failures [100]
 o tests: makes tests succeed when using --disable-proxy [81]
 o tests: use %FILE_PWD for file:// URLs [92]
 o tests: use port 2 instead of 60000 for a safer non-listening port [72]
 o tool_operate: Fix retry sleep time shown to user when Retry-After [79]
 o travis: Add an ARM64 build
 o url: Curl_free_request_state() should also free doh handles [107]
 o url: don't set appconnect time for non-ssl/non-ssh connections [42]
 o url: fix the NULL hostname compiler warning [44]
 o url: normalize CURLINFO_EFFECTIVE_URL [80]
 o url: only reuse TLS connections with matching pinning [5]
 o urlapi: avoid index underflow for short ipv6 hostnames [26]
 o urlapi: fix URL encoding when setting a full URL [53]
 o urlapi: fix unused variable warning [57]
 o urlapi: question mark within fragment is still fragment [45]
 o urldata: use 'bool' for the bit type on MSVC compilers [30]
 o vtls: Fix comment typo about macosx-version-min compiler flag [38]
 o vtls: fix narrowing conversion warnings [50]
 o winbuild/MakefileBuild.vc: Add vssh [2]
 o winbuild/MakefileBuild.vc: Fix line endings
 o winbuild: Add manifest to curl.exe for proper OS version detection [51]
 o winbuild: add ENABLE_UNICODE option [65]

This release includes the following known bugs:

 o see docs/KNOWN_BUGS (https://curl.haxx.se/docs/knownbugs.html)

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

  Alessandro Ghedini, Alex Konev, Alex Samorukov, Andrei Valeriu BICA,
  Barry Pollard, Bastien Bouclet, Bernhard Walle, Bylon2 on github,
  Christophe Dervieux, Christoph M. Becker, Dagobert Michelsen, Dan Fandrich,
  Daniel Silverstone, Daniel Stenberg, Denis Chaplygin, Emil Engler,
  Francois Rivard, George Liu, Gilles Vollant, Griffin Downs, Harry Sintonen,
  Ilya Kosarev, infinnovation-dev on github, Jacob Barthelmeh, Javier Blazquez,
  Jens Finkhaeuser, Jeremy Lainé, Jeroen Ooms, Jimmy Gaussen, Joel Depooter,
  Jojojov on github, jzinn on github, Kamil Dudka, Kunal Ekawde, Lucas Pardue,
  Lucas Severo, Marcel Hernandez, Marcel Raad, Martin Gartner, Max Dymond,
  Michael Kaufmann, Michał Janiszewski, momala454 on github,
  Nathaniel J. Smith, Niall O'Reilly, nico-abram on github,
  Nikos Mavrogiannopoulos, Patrick Monnerat, Paul B. Omta, Paul Dreik,
  Peter Sumatra, Philippe Marguinaud, Piotr Komborski, Ray Satiro,
  Richard Alcock, Roland Hieber, Samuel Surtees, Sebastian Haglund,
  Spezifant on github, Stian Soiland-Reyes, SumatraPeter on github,
  Tatsuhiro Tsujikawa, Tom van der Woerdt, Trivikram Kamat,
  Valerii Zapodovnikov, Vilhelm Prytz, Yechiel Kalmenson, Zenju on github,
  (68 contributors)

        Thanks! (and sorry if I forgot to mention someone)

References to bug reports and discussions on issues:

 [1] = https://curl.haxx.se/bug/?i=4272
 [2] = https://curl.haxx.se/bug/?i=4322
 [3] = https://curl.haxx.se/bug/?i=4328
 [4] = https://curl.haxx.se/bug/?i=4321
 [5] = https://curl.haxx.se/mail/lib-2019-09/0061.html
 [6] = https://curl.haxx.se/bug/?i=4348
 [7] = https://curl.haxx.se/bug/?i=4368
 [8] = https://curl.haxx.se/bug/?i=4365
 [9] = https://curl.haxx.se/bug/?i=4366
 [10] = https://curl.haxx.se/bug/?i=4363
 [11] = https://curl.haxx.se/bug/?i=4358
 [12] = https://curl.haxx.se/bug/?i=4350
 [13] = https://curl.haxx.se/bug/?i=4352
 [14] = https://curl.haxx.se/bug/?i=4324
 [15] = https://curl.haxx.se/bug/?i=4339
 [16] = https://curl.haxx.se/bug/?i=4332
 [17] = https://curl.haxx.se/bug/?i=4326
 [18] = https://curl.haxx.se/bug/?i=4325
 [19] = https://curl.haxx.se/bug/?i=4336
 [20] = https://curl.haxx.se/bug/?i=4329
 [21] = https://curl.haxx.se/bug/?i=4338
 [22] = https://curl.haxx.se/bug/?i=4349
 [23] = https://curl.haxx.se/bug/?i=4381
 [24] = https://curl.haxx.se/bug/?i=4374
 [25] = https://curl.haxx.se/bug/?i=4392
 [26] = https://curl.haxx.se/bug/?i=4389
 [27] = https://curl.haxx.se/bug/?i=4386
 [28] = https://curl.haxx.se/bug/?i=4382
 [29] = https://curl.haxx.se/bug/?i=4383
 [30] = https://curl.haxx.se/bug/?i=4387
 [31] = https://curl.haxx.se/bug/?i=4395
 [32] = https://curl.haxx.se/bug/?i=4394
 [33] = https://curl.haxx.se/bug/?i=4393
 [34] = https://curl.haxx.se/bug/?i=4397
 [35] = https://curl.haxx.se/bug/?i=4435
 [36] = https://curl.haxx.se/bug/?i=4428
 [37] = https://curl.haxx.se/bug/?i=4415
 [38] = https://curl.haxx.se/bug/?i=4425
 [39] = https://curl.haxx.se/bug/?i=4431
 [40] = https://curl.haxx.se/bug/?i=4430
 [41] = https://curl.haxx.se/bug/?i=4411
 [42] = https://curl.haxx.se/bug/?i=3760
 [43] = https://curl.haxx.se/bug/?i=4421
 [44] = https://curl.haxx.se/bug/?i=4403
 [45] = https://curl.haxx.se/bug/?i=4412
 [46] = https://curl.haxx.se/bug/?i=4407
 [47] = https://curl.haxx.se/bug/?i=4214
 [48] = https://curl.haxx.se/bug/?i=4406
 [49] = https://curl.haxx.se/bug/?i=4400
 [50] = https://curl.haxx.se/bug/?i=4398
 [51] = https://curl.haxx.se/bug/?i=4399
 [52] = https://curl.haxx.se/bug/?i=4445
 [53] = https://curl.haxx.se/bug/?i=4447
 [54] = https://curl.haxx.se/bug/?i=4393
 [55] = https://curl.haxx.se/bug/?i=4410
 [56] = https://curl.haxx.se/bug/?i=4310
 [57] = https://curl.haxx.se/bug/?i=4444
 [58] = https://curl.haxx.se/bug/?i=4433
 [59] = https://curl.haxx.se/bug/?i=4441
 [60] = https://curl.haxx.se/bug/?i=4443
 [61] = https://curl.haxx.se/bug/?i=4437
 [62] = https://curl.haxx.se/bug/?i=4424
 [63] = https://curl.haxx.se/bug/?i=4429
 [64] = https://curl.haxx.se/bug/?i=4465
 [65] = https://curl.haxx.se/bug/?i=4308
 [66] = https://curl.haxx.se/bug/?i=4457
 [67] = https://curl.haxx.se/bug/?i=4455
 [68] = https://curl.haxx.se/bug/?i=4303
 [69] = https://curl.haxx.se/bug/?i=4454
 [70] = https://curl.haxx.se/bug/?i=4446
 [71] = https://curl.haxx.se/bug/?i=4011
 [72] = https://curl.haxx.se/bug/?i=4461
 [73] = https://curl.haxx.se/bug/?i=4422
 [74] = https://curl.haxx.se/bug/?i=4469
 [75] = https://curl.haxx.se/bug/?i=4471
 [76] = https://curl.haxx.se/bug/?i=4467
 [77] = https://curl.haxx.se/bug/?i=4460
 [78] = https://curl.haxx.se/bug/?i=4486
 [79] = https://curl.haxx.se/bug/?i=4498
 [80] = https://curl.haxx.se/bug/?i=4491
 [81] = https://curl.haxx.se/bug/?i=4488
 [82] = https://curl.haxx.se/bug/?i=4484
 [83] = https://curl.haxx.se/bug/?i=4483
 [84] = https://curl.haxx.se/bug/?i=4482
 [85] = https://curl.haxx.se/bug/?i=4466
 [86] = https://curl.haxx.se/bug/?i=4506
 [87] = https://curl.haxx.se/bug/?i=4507
 [88] = https://curl.haxx.se/bug/?i=4496
 [89] = https://curl.haxx.se/bug/?i=4503
 [90] = https://curl.haxx.se/bug/?i=4502
 [91] = https://curl.haxx.se/bug/?i=4511
 [92] = https://curl.haxx.se/bug/?i=4512
 [93] = https://curl.haxx.se/bug/?i=4531
 [94] = https://curl.haxx.se/bug/?i=4526
 [95] = https://curl.haxx.se/bug/?i=4523
 [96] = https://curl.haxx.se/bug/?i=4518
 [97] = https://curl.haxx.se/bug/?i=4520
 [98] = https://curl.haxx.se/bug/?i=4508
 [99] = https://curl.haxx.se/bug/?i=4499
 [100] = https://curl.haxx.se/bug/?i=4551
 [101] = https://curl.haxx.se/bug/?i=4547
 [102] = https://curl.haxx.se/bug/?i=4552
 [103] = https://curl.haxx.se/mail/lib-2019-10/0104.html
 [104] = https://curl.haxx.se/bug/?i=4487
 [105] = https://curl.haxx.se/bug/?i=4509
 [106] = https://curl.haxx.se/bug/?i=4539
 [107] = https://curl.haxx.se/bug/?i=4463
 [108] = https://curl.haxx.se/bug/?i=4535
 [109] = https://curl.haxx.se/bug/?i=4529
 [110] = https://curl.haxx.se/bug/?i=4555