To be fair I haven't used Writer much. I've used Calc a lot. LO Writer can export to PDF when you need to preserve formatting. But if it needs to also be edita

To be fair I haven't used Writer much. I've used Calc a lot. LO Writer can export to PDF when you need to preserve formatting. But if it needs to also be editable, I guess ODT is the only way. Maybe in light of the recent events you can convince your publishers. About performance, you might want to give AbiWord a try also.