ChangeLog :
===========
+2021/04/02 : 2.4-dev15
+ - BUG/MINOR: payload: Wait for more data if buffer is empty in payload/payload_lv
+ - BUG/MINOR: stats: Apply proper styles in HTML status page.
+ - BUG/MEDIUM: time: make sure to always initialize the global tick
+ - BUG/MINOR: tcp: fix silent-drop workaround for IPv6
+ - BUILD: tcp: use IPPROTO_IPV6 instead of SOL_IPV6 on FreeBSD/MacOS
+ - CLEANUP: socket: replace SOL_IP/IPV6/TCP with IPPROTO_IP/IPV6/TCP
+ - BUG/MINOR: http_fetch: make hdr_ip() resistant to empty fields
+ - BUG/MINOR: mux-h2: Don't emit log twice if an error occurred on the preface
+ - MINOR: stream: Don't trigger errors on destructive HTTP upgrades
+ - MINOR: frontend: Create HTTP txn for HTX streams
+ - MINOR: stream: Be sure to set HTTP analysers when creating an HTX stream
+ - BUG/MINOR: stream: Properly handle TCP>H1>H2 upgrades in http_wait_for_request
+ - BUG/MINOR: config: Add warning for http-after-response rules in TCP mode
+ - MINOR: muxes: Add a flag to notify a mux does not support any upgrade
+ - MINOR: mux-h1: Don't perform implicit HTTP/2 upgrade if not supported by mux
+ - MINOR: mux-pt: Don't perform implicit HTTP upgrade if not supported by mux
+ - MEDIUM: mux-h1: Expose h1 in the list of supported mux protocols
+ - MEDIUM: mux-pt: Expose passthrough in the list of supported mux protocols
+ - MINOR: muxes: Show muxes flags when the mux list is displayed
+ - DOC: config: Improve documentation about proto/check-proto keywords
+ - MINOR: stream: Use stream type instead of proxy mode when appropriate
+ - MINOR: filters/http-ana: Decide to filter HTTP headers in HTTP analysers
+ - MINOR: http-ana: Simplify creation/destruction of HTTP transactions
+ - MINOR: stream: Handle stream HTTP upgrade in a dedicated function
+ - MEDIUM: Add tcp-request switch-mode action to perform HTTP upgrade
+ - MINOR: config/proxy: Don't warn for HTTP rules in TCP if 'switch-mode http' set
+ - MINOR: config/proxy: Warn if a TCP proxy without backend is upgradable to HTTP
+ - DOC: config: Add documentation about TCP to HTTP upgrades
+ - REGTESTS: Add script to tests TCP to HTTP upgrades
+ - BUG/MINOR: payload/htx: Ingore L6 sample fetches for HTX streams/checks
+ - MINOR: htx: Make internal.strm.is_htx an internal sample fetch
+ - MINOR: action: Use a generic function to check validity of an action rule list
+ - MINOR: payload/config: Warn if a L6 sample fetch is used from an HTTP proxy
+ - MEDIUM: http-rules: Add wait-for-body action on request and response side
+ - REGTESTS: Add script to tests the wait-for-body HTTP action
+ - BUG/MINOR: http-fetch: Fix test on message state to capture the version
+ - CLEANUP: vars: always pre-initialize smp in vars_parse_cli_get_var()
+ - MINOR: global: define diagnostic mode of execution
+ - MINOR: cfgparse: diag for multiple nbthread statements
+ - MINOR: server: diag for 0 weight server
+ - MINOR: diag: create cfgdiag module
+ - MINOR: diag: diag if servers use the same cookie value
+ - MINOR: config: diag if global section after non-global
+ - TESTS: slightly reorganize the code in the tests/ directory
+ - TESTS: move tests/*.cfg to tests/config
+ - REGTESTS: ssl: "set ssl cert" and multi-certificates bundle
+ - REGTESTS: ssl: mark set_ssl_cert_bundle.vtc as broken
+ - CONTRIB: halog: fix issue with array of type char
+ - CONTRIB: tcploop: add a shutr command
+ - CONTRIB: debug: add the show-fd-to-flags script
+ - CONTRIB: debug: split poll from flags
+ - CONTRIB: move some dev-specific tools to dev/
+ - BUILD: makefile: always build the flags utility
+ - DEV: flags: replace the unneeded makefile with a README
+ - BUILD: makefile: integrate the hpack tools
+ - CONTRIB: merge ip6range with iprange
+ - CONTRIB: move some admin-related sub-projects to admin/
+ - CONTRIB: move halog to admin/
+ - ADMIN: halog: automatically enable USE_MEMCHR on the right glibc version
+ - BUILD: makefile: build halog with the correct flags
+ - BUILD: makefile: add a "USE_PROMEX" variable to ease building prometheus-exporter
+ - CONTRIB: move prometheus-exporter to addons/promex
+ - DOC: add a few words about USE_* and the addons directory
+ - CONTRIB: move 51Degrees to addons/51degrees
+ - CONTRIB: move src/da.c and contrib/deviceatlas to addons/deviceatlas
+ - CONTRIB: move src/wurfl.c and contrib/wurfl to addons/wurfl
+ - CONTRIB: move contrib/opentracing to addons/ot
+ - BUG/MINOR: opentracing: initialization after establishing daemon mode
+ - DOC: clarify that compression works for HTTP/2
+
2021/03/27 : 2.4-dev14
- MEDIUM: quic: Fix build.
- MEDIUM: quic: Fix build.