[2021-07-10 21:41:33 +0900]: CHANGELOG: work on 3.4.0 [2021-07-10 04:20:58 +0900]: string: Allow collect --allow-empty to avoid empty ellision (#8054)

[2021-07-10 05:37:52 +0900]: Skip a process test on Cygwin to avoid hang [2021-07-10 04:53:38 +0900]: * lisp/facemenu.el: Preload the C-mouse-2 menu binding [2021-07-10 01:14:19 +0900]: Further cleanup for file locks