On the 2.4.x branch:

 Merged /httpd/httpd/branches/2.4.x-mod_md:r1816423-1821089
   Merged /httpd/httpd/trunk:r1804530-1804531,1804542,1804545,1804671,1804759,1804787,1804975,1805180,1805192,1805194,1805256,1805294,1805373,1806939,1807228,1807347,1807577,1807593,1807774,1807777,1808005,1808092,1808100,1808241-1808243,1808249,1808444,1809719,1809888,1810723,1811082,1811812,1812193,1812517-1812518,1812999,1813642,1814720,1814939,1815005,1815078,1815264,1815370,1815483,1816055,1816154,1816156,1816552,1816558,1816970,1817023,1817777,1817785,1818120,1818122,1818308,1818725,1818792,1818849

Merged mod_md from trunk via 2.4.x-mod_md branch.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1821093 13f79535-47bb-0310-9956-ffa450edef68

diff --cc CHANGES
index 75fbdf34dfc515b0f594207a8fc138fe9aa7998e,d99d07bb99350afb90453c54ebe74e046f1bac85..7dc45207c4a7b33a2d789bebb157a93178576a46
--- 1/CHANGES
--- 2/CHANGES
+++ b/CHANGES
@@@ -1,26 -1,6 +1,31 @@@
                                                           -*- coding: utf-8 -*-
  Changes with Apache 2.4.30
   
++  *) mod_md: new experimental, module for managing domains across virtual hosts,
++     implementing the Let's Encrypt ACMEv1 protocol to signup and renew 
++     certificates. Please read the modules documentation for further instructions
++     on how to use it. [Stefan Eissing]
++  
 +  *) mod_proxy_html: skip documents shorter than 4 bytes
 +     PR 56286 [Micha Lenk <micha lenk info>]
 +
 +  *) core, mpm_event: Avoid a small memory leak of the scoreboard handle, for
 +     the lifetime of the connection, each time it is processed by MPM event.
 +     [Yann Ylavic]
 +
 +  *) mpm_event: Update scoreboard status for KeepAlive state.  [Yann Ylavic]
 +
 +  *) mod_ldap: Fix a case where a full LDAP cache would continually fail to 
 +     purge old entries and log AH01323. PR61891.  
 +     [Hendrik Harms <hendrik.harms gmail.com>]
 +
 +  *) mpm_event: close connections not reported as handled by any module to
 +     avoid losing track of them and leaking scoreboard entries.  PR 61551.
 +     [Yann Ylavic]
 +
 +  *) core: A signal received while stopping could have crashed the main
 +     process.  PR 61558.  [Yann Ylavic]
 +
    *) mod_ssl: support for mod_md added. [Stefan Eissing]
    
    *) mod_proxy_html: process parsed comments immediately.