Commit b19a3536e83 for php.net

commit b19a3536e83a58a0f5319703c9e34f18c9153b5f
Author: Rodrigo Primo <rodrigosprimo@gmail.com>
Date:   Tue Dec 16 15:45:08 2025 -0300

    [ci skip] PHP 8.5 | UPGRADING: document IMAGETYPE_HEIF constant (#20713)

diff --git a/UPGRADING b/UPGRADING
index 94b272c69c7..cc1ff9938ad 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -935,6 +935,7 @@ PHP 8.5 UPGRADE NOTES
   . T_PIPE.

 - Standard:
+  . IMAGETYPE_HEIF.
   . IMAGETYPE_SVG when libxml is loaded.

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