I moved from a Sony RX100 IV to an Olympus OM-D E-M1 II several years ago. I found the move to be a medium jump in quality, a significant jump in auto-focus performance, but also a significant jump in cost and size
My gear has grown over time to consist of 3 domes and 3 flat ports to accommodate.
Oly 12-40 PRO
Pan 7-14
Pan 8mm
Oly 30mm macro
Oly 60mm macro
Oly 14-42 IIR
My photography consists of:
10% big animals close range (close dol