Revision 7 is the initial revision available on microchipDIRECT.
The Wi-Fi module WINC1510 order code used on revision 7 is ATWINC1510-MR210PB1952 (firmware 19.5.2). The firmware was upgraded to version 19.6.1 in production.
J201 and J202 (mikroBUS socket), and R204 (0-ohm resistor to apply 5V to mikroBUS socket) are not populated on this revision.
New PCB revision 4, fixing issues with the MCP73871 Li-Ion/LiPo charger connections.