Using the keep inventory feature from Respawn Obelisks while having this mod installed makes items disappear when preserveItemsOnDeath is disabled. For example: keep hotbar is enabled in RO, when I die all my hotbar items are gone, and the rest of the items drop normally.
On Fabric 1.20.1 using Lenient Death 1.2.5 and Respawn Obelisks 2.6-b