For Calc Insert / Delete Page Break has been moved to the sheets Menu. Documentaion not updated
Confirmed: https://help.libreoffice.org/Calc/Manual_Break https://help.libreoffice.org/Calc/Row_Break_1 https://help.libreoffice.org/Calc/Column_Break_1
Patch submitted to Gerrit: https://gerrit.libreoffice.org/#/c/27994/
Stanislav Horacek committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/help/commit/?id=d4501baed063dd06f7b74c1354a8681ea46c326e tdf#97923 adjust menu path to Insert/Delete Page Break