This bug was filed from the crash reporting server and is br-d35ccc76-5b76-43c8-a88b-907ff021e460. ========================================= Writer crashes permamently after 10-20 minutes while editing a certain document. In case of crash the Writer-window freezes for some seconds and then disappears. The document contains a lot of embedded formulas (OLE Formula objets).
From crash report website, this is Windows-only and boomed for 7.5: https://crashreport.libreoffice.org/stats/signature/SalInstanceTreeView::iter_compare(weld::TreeIter%20const%20&,weld::TreeIter%20const%20&)?page=3 Are you able to provide an example document?
This should be fixed by https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-7-5&id=c3af56a1fe2fa8b004a445743478da610cf9af22 Closing as a dupe of bug 153641 *** This bug has been marked as a duplicate of bug 153641 ***