diff --git a/Dockerfile b/Dockerfile
index d96da08a3c4f..545e375ce861 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM tgstation/byond:513.1533 as base
+FROM tgstation/byond:514.1554 as base
 
 FROM base as build_base
 
diff --git a/byond-extools.dll b/byond-extools.dll
index 7cb5e0ce0648..609fe11dee60 100644
Binary files a/byond-extools.dll and b/byond-extools.dll differ
diff --git a/byond-extools.pdb b/byond-extools.pdb
index 78d7cd76d975..b0fcbe24d5a7 100644
Binary files a/byond-extools.pdb and b/byond-extools.pdb differ
diff --git a/code/__DEFINES/_tick.dm b/code/__DEFINES/_tick.dm
index fc6147c43041..abafc4465c38 100644
--- a/code/__DEFINES/_tick.dm
+++ b/code/__DEFINES/_tick.dm
@@ -1,7 +1,7 @@
 /// Percentage of tick to leave for master controller to run
 #define MAPTICK_MC_MIN_RESERVE 70
-/// internal_tick_usage is updated every tick by extools
-#define MAPTICK_LAST_INTERNAL_TICK_USAGE ((GLOB.internal_tick_usage / world.tick_lag) * 100)
+
+#define MAPTICK_LAST_INTERNAL_TICK_USAGE (world.map_cpu)
 /// Tick limit while running normally
 #define TICK_BYOND_RESERVE 2
 #define TICK_LIMIT_RUNNING (max(100 - TICK_BYOND_RESERVE - MAPTICK_LAST_INTERNAL_TICK_USAGE, MAPTICK_MC_MIN_RESERVE))
diff --git a/code/__HELPERS/_lists.dm b/code/__HELPERS/_lists.dm
index e4306bc50f80..9afeda469b1b 100644
--- a/code/__HELPERS/_lists.dm
+++ b/code/__HELPERS/_lists.dm
@@ -534,11 +534,6 @@
 		used_key_list[input_key] = 1
 	return input_key
 
-#if DM_VERSION > 513
-#error Remie said that lummox was adding a way to get a lists
-#error contents via list.values, if that is true remove this
-#error otherwise, update the version and bug lummox
-#endif
 //Flattens a keyed list into a list of it's contents
 /proc/flatten_list(list/key_list)
 	if(!islist(key_list))
diff --git a/code/_compile_options.dm b/code/_compile_options.dm
index 17128daaf502..084e44d24646 100644
--- a/code/_compile_options.dm
+++ b/code/_compile_options.dm
@@ -32,11 +32,11 @@
 #endif
 
 //Update this whenever you need to take advantage of more recent byond features
-#define MIN_COMPILER_VERSION 513
+#define MIN_COMPILER_VERSION 514
 #if DM_VERSION < MIN_COMPILER_VERSION
 //Don't forget to update this part
 #error Your version of BYOND is too out-of-date to compile this project. Go to https://secure.byond.com/download and update.
-#error You need version 513 or higher
+#error You need version 514 or higher
 #endif
 
 //Additional code for the above flags.
@@ -67,13 +67,13 @@
 #endif
 
 //If you update these values, update the message in the #error
-#define MAX_BYOND_MAJOR 513
-#define MAX_BYOND_MINOR 1538
+#define MAX_BYOND_MAJOR 514
+#define MAX_BYOND_MINOR 1554
 
 ///Uncomment to bypass the max version check. Note: This will likely break the game, only use if you know what you're doing
 //#define IGNORE_MAX_BYOND_VERSION
 #if ((DM_VERSION > MAX_BYOND_MAJOR) || (DM_BUILD > MAX_BYOND_MINOR)) && !defined(IGNORE_MAX_BYOND_VERSION)
-#error Your version of BYOND is too new to compile this project. Download version 513.1538 at www.byond.com/download/build/513/513.1538_byond.exe
+#error Your version of BYOND is too new to compile this project. Download version 514.1554 at www.byond.com/download/build/514/514.1554_byond.exe
 #endif
 
 #ifdef TRAVISBUILDING
diff --git a/code/_globalvars/misc.dm b/code/_globalvars/misc.dm
index b46cdd298170..7931d91acb50 100644
--- a/code/_globalvars/misc.dm
+++ b/code/_globalvars/misc.dm
@@ -18,5 +18,3 @@ GLOBAL_LIST_EMPTY(powernets)
 GLOBAL_VAR_INIT(bsa_unlock, FALSE)	//BSA unlocked by head ID swipes
 
 GLOBAL_LIST_EMPTY(player_details)	// ckey -> /datum/player_details
-
-GLOBAL_VAR_INIT(internal_tick_usage, 0.2 * world.tick_lag)
diff --git a/code/datums/traits/neutral.dm b/code/datums/traits/neutral.dm
index be223f0b9d2d..91afe641e07c 100644
--- a/code/datums/traits/neutral.dm
+++ b/code/datums/traits/neutral.dm
@@ -21,7 +21,7 @@
 		var/datum/species/species = H.dna.species
 		if(initial(species.liked_food) & MEAT)
 			species.liked_food |= MEAT
-		if(!initial(species.disliked_food) & MEAT)
+		if(!(initial(species.disliked_food) & MEAT))
 			species.disliked_food &= ~MEAT
 
 /datum/quirk/pineapple_liker
diff --git a/code/game/machinery/doors/airlock.dm b/code/game/machinery/doors/airlock.dm
index 34f0c8535552..2cdf48f8c5ea 100644
--- a/code/game/machinery/doors/airlock.dm
+++ b/code/game/machinery/doors/airlock.dm
@@ -104,7 +104,6 @@
 
 	var/overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 	var/note_overlay_file = 'icons/obj/doors/airlocks/station/overlays.dmi' //Used for papers and photos pinned to the airlock
-	var/mask_file = 'icons/obj/doors/airlocks/mask_32x32.dmi' // because filters aren't allowed to have icon_states :(
 	var/doorOpen = 'sound/machines/airlock.ogg'
 	var/doorClose = 'sound/machines/airlockclose.ogg'
 	var/doorDeni = 'sound/machines/deniedbeep.ogg' // i'm thinkin' Deni's
@@ -112,6 +111,9 @@
 	var/boltDown = 'sound/machines/boltsdown.ogg'
 	var/noPower = 'sound/machines/doorclick.ogg'
 
+	/* Note mask_file needed some change due to the change from 513 to 514(the behavior of alpha filters seems to have changed) thats the reason why the mask
+	dmi file for normal airlocks is not 32x32 but 64x64 and for the large airlocks instead of 64x32 its now 96x64 due to the fix to this problem*/
+	var/mask_file = 'icons/obj/doors/airlocks/mask_32x32_airlocks.dmi' // because filters aren't allowed to have icon_states :(
 	var/mask_x = 0
 	var/mask_y = 0
 	var/anim_parts = "left=-14,0;right=13,0"
diff --git a/code/game/machinery/doors/airlock_types.dm b/code/game/machinery/doors/airlock_types.dm
index bee2725816c1..0e8db90345d5 100644
--- a/code/game/machinery/doors/airlock_types.dm
+++ b/code/game/machinery/doors/airlock_types.dm
@@ -679,7 +679,7 @@
 	name = "large glass airlock"
 	icon = 'icons/obj/doors/airlocks/glass_large/glass_large.dmi'
 	overlays_file = 'icons/obj/doors/airlocks/glass_large/overlays.dmi'
-	mask_file = 'icons/obj/doors/airlocks/mask_64x32.dmi'
+	mask_file = 'icons/obj/doors/airlocks/mask_64x32_airlocks.dmi'
 	mask_x = 16 // byond is consistent and sane
 	anim_parts = "left=-21,0;right=21,0;top=0,29"
 	opacity = 0
diff --git a/code/game/objects/items/stacks/medical.dm b/code/game/objects/items/stacks/medical.dm
index 06835f46505c..646608cfc755 100644
--- a/code/game/objects/items/stacks/medical.dm
+++ b/code/game/objects/items/stacks/medical.dm
@@ -243,7 +243,7 @@
 	return ..()
 
 /obj/item/stack/medical/mesh/attack_hand(mob/user)
-	if(!is_open & user.get_inactive_held_item() == src)
+	if(!is_open && user.get_inactive_held_item() == src)
 		to_chat(user, "<span class='warning'>You need to open [src] first.</span>")
 		return
 	return ..()
diff --git a/code/game/objects/structures/tables_racks.dm b/code/game/objects/structures/tables_racks.dm
index 22724baa884b..9383c0cffa7b 100644
--- a/code/game/objects/structures/tables_racks.dm
+++ b/code/game/objects/structures/tables_racks.dm
@@ -157,7 +157,7 @@
 
 /obj/structure/table/proc/tablepush(mob/living/user, mob/living/pushed_mob)
 	var/added_passtable = FALSE
-	if(!pushed_mob.pass_flags & PASSTABLE)
+	if(!(pushed_mob.pass_flags & PASSTABLE))
 		added_passtable = TRUE
 		pushed_mob.pass_flags |= PASSTABLE
 	SEND_SIGNAL(user, COMSIG_MOB_TABLING)
diff --git a/code/game/world.dm b/code/game/world.dm
index 2e367f2da11b..03411cd105e4 100644
--- a/code/game/world.dm
+++ b/code/game/world.dm
@@ -2,11 +2,6 @@
 
 GLOBAL_VAR(restart_counter)
 
-/world/proc/enable_debugger()
-    var/dll = (fexists(EXTOOLS) && EXTOOLS)
-    if (dll)
-        call(dll, "debug_initialize")()
-
 /**
   * World creation
   *
@@ -24,8 +19,6 @@ GLOBAL_VAR(restart_counter)
   *
   */
 /world/New()
-	enable_debugger() //This does nothing if you aren't trying to debug
-
 	//Early profile for auto-profiler - will be stopped on profiler init if necessary.
 #if DM_VERSION >= 513 && DM_BUILD >= 1506
 	world.Profile(PROFILE_START)
diff --git a/code/modules/admin/verbs/one_click_antag.dm b/code/modules/admin/verbs/one_click_antag.dm
index eb16bcc5dac0..ce546c9daab3 100644
--- a/code/modules/admin/verbs/one_click_antag.dm
+++ b/code/modules/admin/verbs/one_click_antag.dm
@@ -451,7 +451,7 @@
 				chosen_candidate.client.prefs.copy_to(ERTOperative)
 				ERTOperative.key = chosen_candidate.key
 
-				if(ertemplate.enforce_human || !ERTOperative.dna.species.changesource_flags & ERT_SPAWN) // Don't want any exploding plasmemes
+				if(ertemplate.enforce_human || !(ERTOperative.dna.species.changesource_flags & ERT_SPAWN)) // Don't want any exploding plasmemes
 					ERTOperative.set_species(/datum/species/human)
 
 				//Give antag datum
diff --git a/code/modules/research/nanites/nanite_programs.dm b/code/modules/research/nanites/nanite_programs.dm
index d4835128c688..00bc514d76b8 100644
--- a/code/modules/research/nanites/nanite_programs.dm
+++ b/code/modules/research/nanites/nanite_programs.dm
@@ -195,14 +195,14 @@
 		software_error()
 
 /datum/nanite_program/proc/on_shock(shock_damage)
-	if(!program_flags & NANITE_SHOCK_IMMUNE)
+	if(!(program_flags & NANITE_SHOCK_IMMUNE))
 		if(prob(10))
 			software_error()
 		else if(prob(33))
 			qdel(src)
 
 /datum/nanite_program/proc/on_minor_shock()
-	if(!program_flags & NANITE_SHOCK_IMMUNE)
+	if(!(program_flags & NANITE_SHOCK_IMMUNE))
 		if(prob(10))
 			software_error()
 
diff --git a/dependencies.sh b/dependencies.sh
index 6dddd8008cfe..7779bbf399b3 100755
--- a/dependencies.sh
+++ b/dependencies.sh
@@ -5,8 +5,8 @@
 
 # byond version
 # Extracted from the Dockerfile. Change by editing Dockerfile's FROM command.
-export BYOND_MAJOR=513
-export BYOND_MINOR=1533
+export BYOND_MAJOR=514
+export BYOND_MINOR=1554
 
 #rust_g git tag
 export RUST_G_VERSION=0.4.5
@@ -19,4 +19,4 @@ export NODE_VERSION_PRECISE=12.20.0
 export PHP_VERSION=7.2
 
 # SpacemanDMM git tag
-export SPACEMAN_DMM_VERSION=suite-1.6
+export SPACEMAN_DMM_VERSION=suite-1.7
diff --git a/icons/obj/doors/airlocks/mask_32x32.dmi b/icons/obj/doors/airlocks/mask_32x32.dmi
deleted file mode 100644
index 97e265e0c8b1..000000000000
Binary files a/icons/obj/doors/airlocks/mask_32x32.dmi and /dev/null differ
diff --git a/icons/obj/doors/airlocks/mask_32x32_airlocks.dmi b/icons/obj/doors/airlocks/mask_32x32_airlocks.dmi
new file mode 100644
index 000000000000..5f74f6d8ccb6
Binary files /dev/null and b/icons/obj/doors/airlocks/mask_32x32_airlocks.dmi differ
diff --git a/icons/obj/doors/airlocks/mask_64x32.dmi b/icons/obj/doors/airlocks/mask_64x32.dmi
deleted file mode 100644
index 3e238aee4659..000000000000
Binary files a/icons/obj/doors/airlocks/mask_64x32.dmi and /dev/null differ
diff --git a/icons/obj/doors/airlocks/mask_64x32_airlocks.dmi b/icons/obj/doors/airlocks/mask_64x32_airlocks.dmi
new file mode 100644
index 000000000000..e9e9b6c7614b
Binary files /dev/null and b/icons/obj/doors/airlocks/mask_64x32_airlocks.dmi differ
diff --git a/libbyond-extools.so b/libbyond-extools.so
index 36e9553372c8..a1f77476b160 100755
Binary files a/libbyond-extools.so and b/libbyond-extools.so differ
diff --git a/yogstation/code/modules/scripting/Interpreter/Interpreter.dm b/yogstation/code/modules/scripting/Interpreter/Interpreter.dm
index c4208ba2c148..59565469f222 100644
--- a/yogstation/code/modules/scripting/Interpreter/Interpreter.dm
+++ b/yogstation/code/modules/scripting/Interpreter/Interpreter.dm
@@ -153,20 +153,20 @@
 					else if(istype(S, /node/statement/IfStatement))
 						. = RunIf(S, scope)
 					else if(istype(S, /node/statement/ReturnStatement))
-						if(!scope.allowed_status & RETURNING)
+						if(!(scope.allowed_status & RETURNING))
 							RaiseError(new/runtimeError/UnexpectedReturn(), scope, S)
 							continue
 						scope.status |= RETURNING
 						. = (scope.return_val=Eval(S:value, scope))
 						break
 					else if(istype(S, /node/statement/BreakStatement))
-						if(!scope.allowed_status & BREAKING)
+						if(!(scope.allowed_status & BREAKING))
 							//RaiseError(new/runtimeError/UnexpectedReturn())
 							continue
 						scope.status |= BREAKING
 						break
 					else if(istype(S, /node/statement/ContinueStatement))
-						if(!scope.allowed_status & CONTINUING)
+						if(!(scope.allowed_status & CONTINUING))
 							//RaiseError(new/runtimeError/UnexpectedReturn())
 							continue
 						scope.status |= CONTINUING