[ci skip] Update changelog

diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 03898a6236d88abf826fc77385b8495deb3b6d8f..e04639502d3d2cc051b3538b6c689d1094028ad3 100644 (file)
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -204,6 +204,7 @@ PHP 7.4 INTERNALS UPGRADE NOTES
       PHP_CHECK_TYPES, PHP_TM_GMTOFF.
     - new --enable-rtld-now build option allow to switch dlopen behavior
       from RTLD_LAZY to RTLD_NOW
+    - Minimum Bison version is 3.0+ for generating parser files.
 
   c. Windows build system changes