IBM FlashSystem® 900 Firmware Version 1.5.2.12 Release Date: October 31, 2022 Applicable systems This release is only supported for the following products: IBM FlashSystem 900, Machine Types and Models (MTM) 9840-AE2 and 9843-AE2 IBM FlashSystem 900, MTMs 9840-AE3 and 9843-AE3 IBM FlashSystem 900, MTM 9843-UF3 Warning: Support for systems using iSCSI or FCoE is no longer available in 1.5 releases and later.