Update the changelog

readme.txt

@@ -145,6 +145,13 @@ Yes, the PublishPress Future plugin allows you to schedule automatic changes to
 
 * CHANGED: Stick the library woocommerce/action-scheduler on version 3.7.0, so we don't force WP min to 6.2;
 
+= [3.1.6] UNRELEASED =
+
+* FIXED: Fix the search of posts in the posts lists, #620;
+* FIXED: Fix classic meta box when using Classic Editor plugin with the classic editor as default, #624;
+* FIXED: Fix default date for new posts, #623;
+* FIXED: Fix the quick edit form and future action column for pages, #618;
+
 = [3.1.5] - 14 Dec, 2023 =
 
 * FIXED: Fix array_map(): Argument must be of type array, string given, #606;