object_array: add and use `object_array_pop()`

diff --git a/RelNotes b/RelNotes
index 00e77229ddadcb8a13b10b693a96bd76a4cb9f33..29ef98331028ae5b1cdc10be75626e48b173a961 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.1.txt
\ No newline at end of file
+Documentation/RelNotes/2.14.2.txt
\ No newline at end of file