sigh

code/game/machinery/telecomms/machines/message_server.dm

@@ -21,7 +21,7 @@
 	. = ..()
 	stored = new /obj/item/blackbox(src)
 
-/obj/machinery/blackbox_recorder/attack_hand(mob/living/user)
+/obj/machinery/blackbox_recorder/on_attack_hand(mob/living/user, act_intent, unarmed_attack_flags)
 	. = ..()
 	if(stored)
 		to_chat(user, "<span class='notice'>You start struggling to pry the [stored] from the [src]...</span>")

code/modules/clothing/shoes/_shoes.dm

@@ -268,13 +268,13 @@
 			our_alert = our_guy.throw_alert("shoealert", /obj/screen/alert/shoes/untied)
 
 
-/obj/item/clothing/shoes/attack_hand(mob/living/carbon/human/user)
+/obj/item/clothing/shoes/on_attack_hand(mob/living/user, act_intent, unarmed_attack_flags)
 	if(!istype(user))
 		return ..()
 	if(loc == user && tied != SHOES_TIED && (user.mobility_flags & MOBILITY_USE))
 		handle_tying(user)
 		return
-	..()
+	return ..()
 
 /obj/item/clothing/shoes/attack_self(mob/user)
 	. = ..()

code/modules/research/designs/tool_designs.dm

@@ -92,7 +92,7 @@
 	category = list("Tool Designs")
 	departmental_flags =  DEPARTMENTAL_FLAG_ENGINEERING | DEPARTMENTAL_FLAG_CARGO
 	
-	/datum/design/ranged_analyzer
+/datum/design/ranged_analyzer
 	name = "Long-range Analyzer"
 	desc = "A new advanced atmospheric analyzer design, capable of performing scans at long range."
 	id = "ranged_analyzer"