Fix portables not getting processed. Simple pipes are removed properly so we dont have a list of 8000 things being iterated over every 2 seconds.

code/ATMOSPHERICS/pipes.dm

@@ -12,6 +12,9 @@
 // Insulated pipes
 #define IPIPE_COLOR_RED   PIPE_COLOR_RED
 #define IPIPE_COLOR_BLUE  "#4285F4"
+/obj/machinery/atmospherics/pipe/process()
+	. = ..()
+	atmos_machines.Remove(src)
 
 /obj/machinery/atmospherics/pipe
 	var/datum/gas_mixture/air_temporary //used when reconstructing a pipeline that broke
@@ -153,7 +156,9 @@
 /obj/machinery/atmospherics/pipe/simple/process()
 	if(!parent) //This should cut back on the overhead calling build_network thousands of times per cycle
 		. = ..()
+	var/dicks = (src in atmos_machines)
 	atmos_machines.Remove(src)
+	if(dicks) warning("Removing [src.type] from atmos machines")
 
 	/*if(!node1)
 		parent.mingle_with_turf(loc, volume)
@@ -491,7 +496,9 @@
 /obj/machinery/atmospherics/pipe/manifold/process()
 	if(!parent)
 		. = ..()
+	var/dicks = (src in atmos_machines)
 	atmos_machines.Remove(src)
+	if(dicks) warning("Removing [src.type] from atmos machines")
 	/*
 	if(!node1)
 		parent.mingle_with_turf(loc, 70)
@@ -725,7 +732,9 @@
 /obj/machinery/atmospherics/pipe/manifold4w/process()
 	if(!parent)
 		. = ..()
+	var/dicks = (src in atmos_machines)
 	atmos_machines.Remove(src)
+	if(dicks) warning("Removing [src.type] from atmos machines")
 	/*
 	if(!node1)
 		parent.mingle_with_turf(loc, 70)

code/controllers/Processes/pipenet.dm

@@ -6,8 +6,10 @@ var/global/list/obj/machinery/atmospherics/atmos_machines = list()
 	schedule_interval = 20 // every 2 seconds
 
 /datum/controller/process/pipenet/doWork()
-	for(var/obj/machinery/atmospherics/atmosmachinery in atmos_machines)
-		ASSERT(istype(atmosmachinery))
+	//world << atmos_machines.len
+	for(var/obj/machinery/atmosmachinery in atmos_machines)
+		//world << "processing [atmosmachinery]"
+		ASSERT(istype(atmosmachinery) || istype(atmosmachinery, /obj/machinery/portable_atmospherics))
 		if(!atmosmachinery.disposed)
 			if(atmosmachinery.process())
 				scheck()

code/game/machinery/atmoalter/portable_atmospherics.dm

@@ -37,7 +37,7 @@
 
 /obj/machinery/portable_atmospherics/Destroy()
 	del(air_contents)
-	atmos_machines -= src
+	atmos_machines.Remove(src)
 	..()
 
 /obj/machinery/portable_atmospherics/update_icon()

html/changelogs/.all_changelog.yml

@@ -3221,7 +3221,7 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
   - experimental: Pomf - server bomb cap raised to 7dev.
   Ririchiyo:
   - rscadd: Added the ability to link the cloning pod to the cloning console with
-      a multitool. [Starts disconnected by default]. It can even be connected from
+      a multitool. [Starts <strike>dis</strike>connected by default]. It can even be connected from
       a distance up to 7.
 2015-05-09:
   Pomf123: