Solving several issues.

code/modules/antagonists/changeling/changeling.dm

@@ -397,20 +397,31 @@
 			escape_objective_possible = FALSE
 			break
 	var/changeling_objective = rand(1,3)
+	var/generic_absorb_objective = FALSE
+	var/multiple_lings = length(get_antag_minds(/datum/antagonist/changeling,TRUE)) > 1
 	switch(changeling_objective)
 		if(1)
-			var/datum/objective/absorb/absorb_objective = new
-			absorb_objective.owner = owner
-			absorb_objective.gen_amount_goal(6, 8)
-			objectives += absorb_objective
+			generic_absorb_objective = TRUE
 		if(2)
-			var/datum/objective/absorb_changeling/ac = new
-			ac.owner = owner
-			objectives += ac
+			if(multiple_lings)
+				var/datum/objective/absorb_changeling/ac = new
+				ac.owner = owner
+				objectives += ac
+			else
+				generic_absorb_objective = TRUE
 		if(3)
-			var/datum/objective/absorb_most/ac = new
-			ac.owner = owner
-			objectives += ac
+			if(multiple_lings)
+				var/datum/objective/absorb_most/ac = new
+				ac.owner = owner
+				objectives += ac
+			else
+				generic_absorb_objective = TRUE
+
+	if(generic_absorb_objective)
+		var/datum/objective/absorb/absorb_objective = new
+		absorb_objective.owner = owner
+		absorb_objective.gen_amount_goal(6, 8)
+		objectives += absorb_objective
 
 	if(prob(60))
 		if(prob(85))

code/modules/antagonists/changeling/powers/spiders.dm

@@ -1,7 +1,7 @@
 /obj/effect/proc_holder/changeling/spiders
 	name = "Spread Infestation"
 	desc = "Our form divides, creating arachnids which will grow into deadly beasts."
-	helptext = "The spiders are thoughtless creatures, and may attack their creators when fully grown. Requires at least 3 DNA gained through Absorb, and not through DNA sting. This ability is very loud, and will guarantee that our blood will react violently to heat."
+	helptext = "The spiders are thoughtless creatures, and may attack their creators when fully grown. Requires to have gained 3 DNA through Absorb (regardless of current amount), and not through DNA sting. This ability is very loud, and will guarantee that our blood will react violently to heat."
 	chemical_cost = 45
 	dna_cost = 1
 	loudness = 4

code/modules/integrated_electronics/subtypes/weaponized.dm

@@ -81,7 +81,7 @@
 		to_chat(user, "<span class='notice'>There's no weapon to remove from the mechanism.</span>")
 
 /obj/item/integrated_circuit/weaponized/weapon_firing/do_work()
-	if(!assembly || !installed_gun)
+	if(!assembly || !installed_gun || !installed_gun.can_shoot())
 		return
 	if(isliving(assembly.loc))
 		var/mob/living/L = assembly.loc

code/modules/mob/mob.dm

@@ -338,7 +338,7 @@ mob/visible_message(message, self_message, blind_message, vision_distance = DEFA
 	set name = "Examine"
 	set category = "IC"
 
-	if(isturf(A) && !(sight & SEE_TURFS) && !(A in view(client ? client.view : world.view, src)))
+	if(isturf(A) && !(sight & SEE_TURFS) && !(src in viewers(client ? client.view : world.view, A)))
 		// shift-click catcher may issue examinate() calls for out-of-sight turfs
 		return
 

code/modules/projectiles/guns/energy/kinetic_accelerator.dm

@@ -34,13 +34,6 @@
 	righthand_file = 'icons/mob/inhands/weapons/guns_righthand.dmi'
 	ammo_type = list(/obj/item/ammo_casing/energy/kinetic/premium)
 
-/obj/item/gun/energy/kinetic_accelerator/premiumka/dropped(mob/user)
-	. = ..()
-	if(!QDELING(src) && !holds_charge)
-		// Put it on a delay because moving item from slot to hand
-		// calls dropped().
-		addtimer(CALLBACK(src, .proc/empty_if_not_held), 1.60)
-
 /obj/item/ammo_casing/energy/kinetic/premium
 	projectile_type = /obj/item/projectile/kinetic/premium
 
@@ -151,7 +144,7 @@
 		addtimer(CALLBACK(src, .proc/empty_if_not_held), 2)
 
 /obj/item/gun/energy/kinetic_accelerator/proc/empty_if_not_held()
-	if(!ismob(loc))
+	if(!ismob(loc) && !istype(loc, /obj/item/integrated_circuit))
 		empty()
 
 /obj/item/gun/energy/kinetic_accelerator/proc/empty()

code/modules/research/techweb/_techweb.dm

@@ -24,10 +24,10 @@
 	var/list/tiers = list()										//Assoc list, id = number, 1 is available, 2 is all reqs are 1, so on
 
 /datum/techweb/New()
+	hidden_nodes = SSresearch.techweb_nodes_hidden.Copy()
 	for(var/i in SSresearch.techweb_nodes_starting)
 		var/datum/techweb_node/DN = SSresearch.techweb_node_by_id(i)
 		research_node(DN, TRUE, FALSE)
-	hidden_nodes = SSresearch.techweb_nodes_hidden.Copy()
 	return ..()
 
 /datum/techweb/admin