Merge branch 'master' into master

mods/ENTITIES/mcl_boats/init.lua

@@ -243,7 +243,7 @@ function boat.on_step(self, dtime, moveresult)
 		else
 			local ctrl = self._passenger:get_player_control()
 			if ctrl and ctrl.sneak then
-				detach_player(self._passenger, true)
+				detach_object(self._passenger, true)
 				self._passenger = nil
 			end
 		end

mods/ITEMS/REDSTONE/mcl_dispensers/init.lua

@@ -129,6 +129,19 @@ local dispenserdef = {
 				local stack_id = stacks[r].stackpos
 				local stackdef = stack:get_definition()
 				local iname = stack:get_name()
+				if not minetest.registered_items[iname] then
+					minetest.log(
+						"warning",
+						"Trying to dispense unknown item " ..
+						"“" .. iname .. "” " ..
+						"near (" ..
+						pos.x .. ", " ..
+						pos.y .. ", " ..
+						pos.z ..
+						")"
+					)
+					return
+				end
 				local igroups = minetest.registered_items[iname].groups
 
 				--[===[ Dispense item ]===]