Improve block hooks
Improve block hooks

glimmerjs/glimmer-vm,glimmerjs/glimmer-vm,chadhietala/glimmer,lbdm44/glimmer-vm,greyhwndz/htmlbars,duggiefresh/htmlbars,tildeio/glimmer,Kuzirashi/htmlbars,glimmerjs/glimmer-vm,tildeio/htmlbars,tildeio/htmlbars,GavinJoyce/htmlbars,vinngn1/htmlbars,cgvarela/htmlbars,kublaj/htmlbars,davidgoli/htmlbars,vinngn1/htmlbars,SerkanSipahi/htmlbars,duggiefresh/htmlbars,chadhietala/glimmer,tildeio/glimmer,mixonic/htmlbars,GavinJoyce/htmlbars,code0100fun/htmlbars,SerkanSipahi/htmlbars,cgvarela/htmlbars,davidgoli/htmlbars,step2yeung/htmlbars,chadhietala/glimmer,mixonic/htmlbars,kublaj/htmlbars,step2yeung/htmlbars,tildeio/glimmer,lbdm44/glimmer-vm,Kuzirashi/htmlbars,greyhwndz/htmlbars,lbdm44/glimmer-vm,chadhietala/glimmer,code0100fun/htmlbars