Lyra P and Lyra S modules do support Wirepas Mesh but only in low-energy mode node as a non-router, thus you cannot configure it to act as a sink and/or low-latency device within the Wirepas network. This limitation is due to the smaller 32K SRAM size of the EFR32BG22 mcu used on Lyra P/S.
For more details on Lyra P and Lyra S Wirepas solution refer to the following page:
Wirepas Partnership (ezurio.com)
For information related to the Wirepas Mesh 2.4GHz FW v5.3.0 refer to the following Release Notes:
Wirepas Mesh 2.4 GHz Firmware v5.3.0 Release Notes: Wirepas Developer Portal