In Bug 143578 variable was added not to ask to save document if changed. It works on file exit, doesn't ask for save, but it should also work on Reload.
Patch at https://gerrit.libreoffice.org/c/core/+/134858
Heiko Tietze committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/7f2bcfe5f69e31a4166830422db5cd95c5bfaa80 Resolves tdf#148815 - Make SAL_NO_QUERYSAVE work for SID_RELOAD It will be available in 7.4.0. 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.
Thanks.