This may be considered working as intended, however given Mojang's recent treatment of dispenser functionality tickets I would prefer if this one were kept open just to make sure. Also, keep in mind that dispensers interacting with blocks is not a new thing (case in point: shearing beehives).
Linked issues
relates to 4
MC-265769
Dispensers can't put an eye of ender into an end portal frame
Resolved
MC-165736
Dispensers with axes inside cannot strip logs/stems
Open
MC-165737
Dispensers with hoes inside cannot blocks till blocks certain blocks
Open
MC-271491
Item enchanted with fire aspect cannot light blocks from using a dispenser like fire charges or flint and steel can
Open
Attachments
Comments 13
3 more comments
This report is invalid. This is a feature request not a bug. For feature request go here