In the paragraph Sidebar the following commands .uno:ParaLeftToRight .uno:ParaRightToLeft in the writedirection is always visible in the past or in 6.4 it's only visible if you select an Complex text layout Language in Options -> Languages.
Caolán McNamara committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/eeb2d19e77d6dc47c68e8ba0920a02cf64a1247b Resolves: tdf#130159 hide writedirection unless CTL is enabled It will be available in 6.5.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.