-* Fixed gh-issue #88: Unable to run test suite (Remi Collet)
-* Fixed gh-issue #86: test failure with curl 7.64
-* Fixed gh-issue #85: [-Wformat-extra-args] build warnings
-* Fixed gh-issue #84: segfault and build failure since curl 7.62
-* Fixed gh-issue #82: Test harness improvements (Chris Wright)
-* Fixed gh-issue #64: compress and connecttimeout interfere with low_speed_limit (@rcanavan)
-* Fixed http\QueryString::getGlobalInstance()
-* Fixed missing 2nd reflection argument info of http\Client::notify()
-* Fixed PHP-7.4 compatibility
+ >*NOTE:*
+ v4.x will be PHP-8 only, v3.x continues PHP-7 support
+
+ * PHP 8 compatibility
+ - Drop ext-propro support
+ PHP 8 removes the object get/set API from the ZendEngine, which renders
+ that extension dysfunctional. As a consequence, the header property of
+ http\Message and derived classes cannot be modified in place, and thus
+ by reference.