Enabling and disabling the sheet's grid lines is available in the formatting toolbar, but there isnt a menu entry, so one should be added.
Patch - https://gerrit.libreoffice.org/#/c/12316/
Yousuf Philips committed a patch related to this issue.
It has been pushed to "master":
fdo#86046 Addition of sheet grid lines toggle to view menu
It will be available in 4.4.0.
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.
Do you know how often this is used?
Maybe we can remove it from the toolbar if it's seldom used.
Yes it is barely used, which is why i needed it in the menus, so i can remove it from the toolbar. :D