graceful restart/shutdown timeout changed from 0 (disabled) to 8 seconds
configure an alternative with:
server.feature-flags += (“server.graceful-shutdown-timeout” =>

build: lighttpd defaults to —with-pcre2 instead of —with-pcre
pcre2 is current. pcre is no longer maintained.
Explicitly specify —with-pcre in build to use pcre instead of pcre2.
deprecated modules (previously announced) have been removed
mod_authn_mysql
mod_mysql_vhost
mod_cml
mod_flv_streaming
mod_geoip
mod_trigger_b4_dl
https://wiki.lighttpd.net/Docs_ConfigurationOptions#Deprecated suggests migration steps for replacements, if needed
Changes from 1.4.63
[core] fix trace issued for loading mod_auth (fixes #3121)
[meson] need -lrt with glibc < 2.17 (fixes #3120)
[core] adjust time jump detection (fixes #3123)
[core] make setrlimit() warn, not fatal
[core] add remote IP to some error msgs (fixes #3122)
[mod_webdav] If-None-Match on non-existent entity
[build] check getxattr before attr_get and -lattr
[doc] SELinux: setsebool -P httpd_setrlimit on
[build] create sha512sum file with release
[build] CI builds now use make -j 2
[core] http_response_send_file() takes const path
[core] use ETag response header to check cachable
[core] add more const to stat_cache_update_entry()
[multiple] remove r?physical.etag
[mod_magnet] interface to http_response_send_file
[build] add headers for sendfile() detect on MacOS
[core] http_response_write_prepare optimization
[core] define static_assert for uClibc (fixes #3127)
[build] -Wno-implicit-fallthrough for ls-hpack
[core] ignore pcre2 “bad JIT option” warning
[build] pcre2: use pkg-config before pcre2-config
[core] http_response_has_error_handler()
[core] consolidate request restart loop check
[core] defer retrieving Last-Modified until needed
[mod_dirlisting] fix logic inversion in cache
[core] mark expect cond in http_response_send_file
[core] connection_handle_read_state() tweak
[core] connection_state_machine_loop() tweaks
[core] connection_state_machine_h2() tweaks
[core] quiet coverity noise
[core] use lower limit for max-fds if !setrlimit
[build] do not check for prctl; HAVE_PRCTL unused
[core] server.core-files support on FreeBSD (fixes #3128)
[mod_extforward] support longer PROXY v2 TLV vec
[mod_webdav] detect truncated copy_file_range()
[mod_webdav] copy_file_range() new in FreeBSD 13
[mod_webdav] copy_file_range() new in FreeBSD 13
[build] feature consistency between build types
[build] cmake build now defaults to C11
[core] CCRandomGenerateBytes() for rand on macOS (fixes #3129)
[multiple] remove long-deprecated modules
[build] default —with-pcre2 unless —with-pcre
[core] “server.graceful-shutdown-timeout” => 8
[build] adjust trace for regex-conditionals
[build] update tests/SConscript
[core] errno_t detection on Illumos
[build] cmake build now defaults to C11
[build] meson: find pcre2 w/o pkg-config
[core] define EXTENSIONS on Illumos
[build] cmake,meson socket libs for win32, Illumos (fixes #3130)
[core] hide bsd_accept_filter code on OpenBSD (fixes #3131)
[core] errno_t and rsize_t detection on Illumos
[mod_webdav] copy acceleration
[mod_webdav] define HAVE_RENAMEAT2 earlier
[build] meson misdetects mempcpy on some platforms
[build] cmake: skip “-Wl,-export-dynamic” Illumos
[build] adjust .gitignore for macOS
[build] meson crypt and dl detection on *BSD (fixes #3133)
[core] /dev/null is a symlink on Illumos (fixes #3132)
[core] server.core-files support for solaris (fixes #3135)
[build] feature consistency between build types
[build] Haiku build fix (fixes #3136)
[lemon] silence coverity warnings
[cmake] raise minimum version to 3.7
[cmake] add address/undefined sanitize compile options
[asan tests] fix memory leaks
[array] use speaking names for array “fn” vtables for better debugging experience
[ci] add cmake-asan build type
[core] buffer_copy_string() use "" if s is NULL
[mod_authn_gssapi] code reuse: fdevent_mkostemp()
[mod_authn_gssapi] reduce KRB5CCNAME mem alloc
[build] adjust help strings for pcre2 default
[core] (const char *) for srvconf.modules_dir
[multiple] remove buffer_init_string()
[multiple] remove buffer_init_buffer()
[mod_extforward] fix out-of-bounds (OOB) write (fixes #3134)
[build] use -fstack-protector-strong w/ extra warn
[build] collect Sun-specific headers and funcs
[build] collect Sun-specific headers and funcs
[build] rm redundant check for -lnetwork on Haiku
[build] check headers before some funcs
[core] allow LISTEN_PID to be ppid if TRACEME (fixes #3137)
[core] allow tests/tmp/bind.conf override (#3137)
[mod_webdav] no sys/ioctl.h on _WIN32
[tests] _WIN32 adjustments in LightyTest.pm
[tests] revert _WIN32 adjustments in LightyTest.pm
[mod_gnutls] lift size check out of DN loop
[mod_mbedtls] lift size check out of DN loop
[mbedtls] save (mbedtls_ssl_config *) in hctx
[multiple] permit UTF-8 in SSL_CLIENT_S_DN_*
[mod_openssl] do not esc UTF-8 in cert subject
[mod_mbedtls] reconstruct SSL_CLIENT_S_DN
[mod_mbedtls] changes to build with mbedtls 3.0.0
[mod_mbedtls] remove use of out_left in mbedtls 3
[mod_mbedtls] mbedtls_ssl_conf_groups for 3.1.0