add upgrade considerations for hooks function signature changes
add upgrade considerations for hooks function signature changes

torchbox/wagtail,torchbox/wagtail,gasman/wagtail,torchbox/wagtail,takeflight/wagtail,wagtail/wagtail,wagtail/wagtail,zerolab/wagtail,FlipperPA/wagtail,mixxorz/wagtail,zerolab/wagtail,kaedroho/wagtail,thenewguy/wagtail,FlipperPA/wagtail,zerolab/wagtail,gasman/wagtail,rsalmaso/wagtail,kaedroho/wagtail,mixxorz/wagtail,thenewguy/wagtail,thenewguy/wagtail,jnns/wagtail,kaedroho/wagtail,wagtail/wagtail,thenewguy/wagtail,mixxorz/wagtail,takeflight/wagtail,takeflight/wagtail,jnns/wagtail,thenewguy/wagtail,mixxorz/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,FlipperPA/wagtail,torchbox/wagtail,FlipperPA/wagtail,rsalmaso/wagtail,jnns/wagtail,zerolab/wagtail,jnns/wagtail,gasman/wagtail,takeflight/wagtail,mixxorz/wagtail,gasman/wagtail,rsalmaso/wagtail,wagtail/wagtail,wagtail/wagtail,zerolab/wagtail,kaedroho/wagtail,kaedroho/wagtail,gasman/wagtail