Adds release notes for #4859
Adds release notes for #4859

FlipperPA/wagtail,thenewguy/wagtail,timorieber/wagtail,zerolab/wagtail,nealtodd/wagtail,zerolab/wagtail,mikedingjan/wagtail,jnns/wagtail,thenewguy/wagtail,kaedroho/wagtail,zerolab/wagtail,mixxorz/wagtail,nealtodd/wagtail,wagtail/wagtail,gasman/wagtail,rsalmaso/wagtail,wagtail/wagtail,FlipperPA/wagtail,zerolab/wagtail,kaedroho/wagtail,thenewguy/wagtail,jnns/wagtail,gasman/wagtail,mikedingjan/wagtail,FlipperPA/wagtail,nimasmi/wagtail,kaedroho/wagtail,rsalmaso/wagtail,nimasmi/wagtail,mixxorz/wagtail,wagtail/wagtail,mixxorz/wagtail,torchbox/wagtail,takeflight/wagtail,rsalmaso/wagtail,nimasmi/wagtail,timorieber/wagtail,timorieber/wagtail,jnns/wagtail,nealtodd/wagtail,kaedroho/wagtail,takeflight/wagtail,gasman/wagtail,mikedingjan/wagtail,kaedroho/wagtail,torchbox/wagtail,thenewguy/wagtail,nimasmi/wagtail,mikedingjan/wagtail,torchbox/wagtail,timorieber/wagtail,jnns/wagtail,gasman/wagtail,nealtodd/wagtail,wagtail/wagtail,mixxorz/wagtail,zerolab/wagtail,gasman/wagtail,takeflight/wagtail,rsalmaso/wagtail,mixxorz/wagtail,rsalmaso/wagtail,takeflight/wagtail,thenewguy/wagtail,wagtail/wagtail,FlipperPA/wagtail,torchbox/wagtail