docs: updating v3->v4 migration docs with fee middleware (backport #2127)#2391

Merged

damiannolan merged 2 commits intorelease/v6.0.xfrom mergify/bp/release/v6.0.x/pr-2127

Sep 26, 2022

+8

Commits on Sep 26, 2022

docs: updating v3->v4 migration docs with fee middleware (#2127 )

seantking
authored and
mergify[bot]
committed
Merge branch 'release/v6.0.x' into mergify/bp/release/v6.0.x/pr-2127
damiannolan
authored