Minimum/Lite Firmware for TPLINK-MR1XU-MR3XXX-WA7XX-WA8XX-WA901ND-WA7X10N-WR7XXN-WR8XXN-WR9XXND-WR1041N & NETGEAR-WNR612-WNR1000-WNR2000-WPN824N (4M Flash ONLY)

Why to do a fork ? At least with 18.06 practically all 4/32 devices can be built. Using some special build options, of course, and dropping seldom used features.