1. 2021-02-18 [1] [PATCH] applets/usage_pod.c: Prefer fputs busybox 2. 2020-06-13 [2] [PATCH] crontab: Fix -e with editors saving using ren busybox 3. 2020-04-29 [1] Fix 12491: crontab -e discards change with EDITOR=vim busybox 4. 2020-04-29 [1] [PATCH v2] grep: Fix -f FILE when FILE is empty and - busybox