diff --git a/code/game/machinery/computer/camera.dm b/code/game/machinery/computer/camera.dm
index fd68c4ec62..95235be3e4 100644
--- a/code/game/machinery/computer/camera.dm
+++ b/code/game/machinery/computer/camera.dm
@@ -55,18 +55,11 @@
 				var/cam = C.nano_structure()
 				cameras[++cameras.len] = cam
 
-				if(C == current)
-					data["current"] = cam
+			camera_cache=list2json(cameras)
 
-			var/list/camera_list = list("cameras" = cameras)
-			camera_cache=list2json(camera_list)
-		else
-			if(current)
-				data["current"] = current.nano_structure()
-
-
-		if(ui)
-			ui.load_cached_data(camera_cache)
+		if(current)
+			data["current"] = current.nano_structure()
+		data["cameras"] = list("__json_cache" = camera_cache)
 
 		ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
 		if (!ui)
@@ -76,8 +69,7 @@
 			ui.add_template("mapContent", "sec_camera_map_content.tmpl")
 			// adding a template with the key "mapHeader" replaces the map header content
 			ui.add_template("mapHeader", "sec_camera_map_header.tmpl")
-
-			ui.load_cached_data(camera_cache)
+			
 			ui.set_initial_data(data)
 			ui.open()
 			ui.set_auto_update(1)
diff --git a/code/game/objects/items/devices/PDA/PDA.dm b/code/game/objects/items/devices/PDA/PDA.dm
index 9979b66ce2..c908267244 100644
--- a/code/game/objects/items/devices/PDA/PDA.dm
+++ b/code/game/objects/items/devices/PDA/PDA.dm
@@ -523,10 +523,10 @@ var/global/list/obj/item/device/pda/PDAs = list()
 
 		data["feed"] = feed
 
+	data["manifest"] = list("__json_cache" = ManifestJSON)
+
 	nanoUI = data
 	// update the ui if it exists, returns null if no ui is passed/found
-	if(ui)
-		ui.load_cached_data(ManifestJSON)
 
 	ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
 
@@ -536,8 +536,6 @@ var/global/list/obj/item/device/pda/PDAs = list()
 		ui = new(user, src, ui_key, "pda.tmpl", title, 520, 400, state = inventory_state)
 		// when the ui is first opened this is the data it will use
 
-		ui.load_cached_data(ManifestJSON)
-
 		ui.set_initial_data(data)
 		// open the new ui window
 		ui.open()
diff --git a/code/modules/mob/living/silicon/pai/software_modules.dm b/code/modules/mob/living/silicon/pai/software_modules.dm
index c2fed82165..f7434ebe91 100644
--- a/code/modules/mob/living/silicon/pai/software_modules.dm
+++ b/code/modules/mob/living/silicon/pai/software_modules.dm
@@ -125,16 +125,12 @@
 
 		var/data[0]
 		// This is dumb, but NanoUI breaks if it has no data to send
-		data["a"] = "a"
-
-		if(ui)
-			ui.load_cached_data(ManifestJSON)
+		data["manifest"] = list("__json_cache" = ManifestJSON)
 
 		ui = nanomanager.try_update_ui(user, user, id, ui, data, force_open)
 		if(!ui)
 			// Don't copy-paste this unless you're making a pAI software module!
 			ui = new(user, user, id, "pai_manifest.tmpl", "Crew Manifest", 450, 600)
-			ui.load_cached_data(ManifestJSON)
 			ui.set_initial_data(data)
 			ui.open()
 			ui.set_auto_update(1)
@@ -499,7 +495,6 @@
 		if(!ui)
 			// Don't copy-paste this unless you're making a pAI software module!
 			ui = new(user, user, id, "pai_signaller.tmpl", "Signaller", 320, 150)
-			ui.load_cached_data(ManifestJSON)
 			ui.set_initial_data(data)
 			ui.open()
 
diff --git a/code/modules/nano/JSON Writer.dm b/code/modules/nano/JSON Writer.dm
index 65b9d99eb0..97acc0b2cc 100644
--- a/code/modules/nano/JSON Writer.dm	
+++ b/code/modules/nano/JSON Writer.dm	
@@ -1,7 +1,12 @@
-
 json_writer
+	var
+		use_cache = 0
+
 	proc
-		WriteObject(list/L, cached_data = null)
+		WriteObject(list/L)
+			if(use_cache && L["__json_cache"])
+				return L["__json_cache"]
+
 			. = "{"
 			var/i = 1
 			for(var/k in L)
@@ -9,13 +14,11 @@ json_writer
 				. += {"\"[k]\":[write(val)]"}
 				if(i++ < L.len)
 					. += ","
-			if(cached_data)
-				. = copytext(., 1, lentext(.)) + ",\"cached\":[cached_data]}"
 			. += "}"
 
 		write(val)
 			if(isnum(val))
-				return num2text(val, 100)
+				return num2text(val)
 			else if(isnull(val))
 				return "null"
 			else if(istype(val, /list))
@@ -35,27 +38,21 @@ json_writer
 			. += "]"
 
 		write_string(txt)
-			var/static/list/json_escape = list("\\", "\"", "'", "\n")
+			var/static/list/json_escape = list("\\" = "\\\\", "\"" = "\\\"", "\n" = "\\n")
 			for(var/targ in json_escape)
 				var/start = 1
 				while(start <= lentext(txt))
 					var/i = findtext(txt, targ, start)
 					if(!i)
 						break
-					if(targ == "\n")
-						txt = copytext(txt, 1, i) + "\\n" + copytext(txt, i+2)
-						start = i + 1 // 1 character added
-					if(targ == "'")
-						txt = copytext(txt, 1, i) + "`" + copytext(txt, i+1) // apostrophies fuck shit up...
-						start = i + 1 // 1 character added
-					else
-						txt = copytext(txt, 1, i) + "\\" + copytext(txt, i)
-						start = i + 2 // 2 characters added
+					var/lrep = length(json_escape[targ])
+					txt = copytext(txt, 1, i) + json_escape[targ] + copytext(txt, i + length(targ))
+					start = i + lrep
 					
 			return {""[txt]""}
 
 		is_associative(list/L)
 			for(var/key in L)
 				// if the key is a list that means it's actually an array of lists (stupid Byond...)
-				if(!isnum(key) && !istype(key, /list))
+				if(!isnum(key) && !isnull(L[key]) && !istype(key, /list))
 					return TRUE
diff --git a/code/modules/nano/_JSON.dm b/code/modules/nano/_JSON.dm
index 4f70e6e664..9579189981 100644
--- a/code/modules/nano/_JSON.dm
+++ b/code/modules/nano/_JSON.dm
@@ -7,6 +7,11 @@ proc
 		var/static/json_reader/_jsonr = new()
 		return _jsonr.ReadObject(_jsonr.ScanJson(json))
 
-	list2json(list/L, var/cached_data = null)
+	list2json(list/L)
 		var/static/json_writer/_jsonw = new()
-		return _jsonw.WriteObject(L, cached_data)
+		return _jsonw.write(L)
+
+	list2json_usecache(list/L)
+		var/static/json_writer/_jsonw = new()
+		_jsonw.use_cache = 1
+		return _jsonw.write(L)
diff --git a/code/modules/nano/nanoui.dm b/code/modules/nano/nanoui.dm
index ffc6208f39..f53fc98497 100644
--- a/code/modules/nano/nanoui.dm
+++ b/code/modules/nano/nanoui.dm
@@ -57,8 +57,6 @@ nanoui is used to open and update nano browser uis
 	var/list/datum/nanoui/children = list()
 	var/datum/topic_state/state = null
 
-	var/cached_data = null
-
  /**
   * Create a new nanoui instance.
   *
@@ -349,7 +347,7 @@ nanoui is used to open and update nano browser uis
 		template_data_json = list2json(templates)
 
 	var/list/send_data = get_send_data(initial_data)
-	var/initial_data_json = list2json(send_data, cached_data)
+	var/initial_data_json = replacetext(list2json_usecache(send_data), "'", "&#39;")
 
 	var/url_parameters_json = list2json(list("src" = "\ref[src]"))
 
@@ -432,19 +430,6 @@ nanoui is used to open and update nano browser uis
 
 	winset(user, window_id, "on-close=\"nanoclose [params]\"")
 
-/**
- * Appends already processed json txt to the list2json proc when setting initial-data and data pushes
- * Used for data that is fucking huge like manifests and camera lists that doesn't change often.
- * And we only want to process them when they change.
- * Fuck javascript
- *
- * @return nothing
- */
-/datum/nanoui/proc/load_cached_data(var/data)
-	cached_data = data
-	return
-
-
  /**
   * Push data to an already open UI window
   *
@@ -458,7 +443,7 @@ nanoui is used to open and update nano browser uis
 	var/list/send_data = get_send_data(data)
 
 	//user << list2json(data) // used for debugging
-	user << output(list2params(list(list2json(send_data,cached_data))),"[window_id].browser:receiveUpdateData")
+	user << output(list2params(list(list2json_usecache(send_data))),"[window_id].browser:receiveUpdateData")
 
  /**
   * This Topic() proc is called whenever a user clicks on a link within a Nano UI
diff --git a/nano/templates/pai_manifest.tmpl b/nano/templates/pai_manifest.tmpl
index 0ab49c02fc..ca4924d70a 100644
--- a/nano/templates/pai_manifest.tmpl
+++ b/nano/templates/pai_manifest.tmpl
@@ -6,9 +6,9 @@ Copy-pasted from pda.tmpl
 
 <div class="item">
 	<center><table class="pmon"><tbody>
-		{{if data.cached.heads.length}}
+		{{if data.manifest.heads.length}}
 			<tr><th colspan="3" class="command">Command</th></tr>
-			{{for data.cached["heads"]}}
+			{{for data.manifest["heads"]}}
 				{{if value.rank == "Captain"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -16,9 +16,9 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.sec.length}}
+		{{if data.manifest.sec.length}}
 			<tr><th colspan="3" class="sec">Security</th></tr>
-			{{for data.cached["sec"]}}
+			{{for data.manifest["sec"]}}
 				{{if value.rank == "Head of Security"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -26,9 +26,9 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.eng.length}}
+		{{if data.manifest.eng.length}}
 			<tr><th colspan="3" class="eng">Engineering</th></tr>
-			{{for data.cached["eng"]}}
+			{{for data.manifest["eng"]}}
 				{{if value.rank == "Chief Engineer"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -36,9 +36,9 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.med.length}}
+		{{if data.manifest.med.length}}
 			<tr><th colspan="3" class="med">Medical</th></tr>
-			{{for data.cached["med"]}}
+			{{for data.manifest["med"]}}
 				{{if value.rank == "Chief Medical Officer"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -46,9 +46,9 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.sci.length}}
+		{{if data.manifest.sci.length}}
 			<tr><th colspan="3" class="sci">Science</th></tr>
-			{{for data.cached["sci"]}}
+			{{for data.manifest["sci"]}}
 				{{if value.rank == "Research Director"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -56,9 +56,9 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.civ.length}}
+		{{if data.manifest.civ.length}}
 			<tr><th colspan="3" class="civ">Civilian</th></tr>
-			{{for data.cached["civ"]}}
+			{{for data.manifest["civ"]}}
 				{{if value.rank == "Head of Personnel"}}
 					<tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
 				{{else}}
@@ -66,11 +66,11 @@ Copy-pasted from pda.tmpl
 				{{/if}}
 			{{/for}}
 		{{/if}}
-		{{if data.cached.misc.length}}
+		{{if data.manifest.misc.length}}
 			<tr><th colspan="3" class="misc">Misc</th></tr>
-			{{for data.cached["misc"]}}
+			{{for data.manifest["misc"]}}
 				<tr><td><span class="average">{{:value.name}}</span></td><td><span class="average">{{:value.rank}}</span></td><td><span class="average">{{:value.active}}</span></td></tr>
 			{{/for}}
 		{{/if}}
 	</tbody></table></center>
-</div>
\ No newline at end of file
+</div>
diff --git a/nano/templates/pda.tmpl b/nano/templates/pda.tmpl
index 38cc5ef945..3bb864fd01 100644
--- a/nano/templates/pda.tmpl
+++ b/nano/templates/pda.tmpl
@@ -297,9 +297,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
 	{{else data.mode== 41}} <!-- Manifest uses cached data so we only use nanowriter when shit changes.-->
 	    <div class="item">
             <center><table class="pmon"><tbody>
-                {{if data.cached.heads.length}}
+                {{if data.manifest.heads.length}}
                     <tr><th colspan="3" class="command">Command</th></tr>
-                    {{for data.cached["heads"]}}
+                    {{for data.manifest["heads"]}}
                         {{if value.rank == "Captain"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -307,9 +307,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.sec.length}}
+                {{if data.manifest.sec.length}}
                     <tr><th colspan="3" class="sec">Security</th></tr>
-                    {{for data.cached["sec"]}}
+                    {{for data.manifest["sec"]}}
                         {{if value.rank == "Head of Security"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -317,9 +317,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.eng.length}}
+                {{if data.manifest.eng.length}}
                     <tr><th colspan="3" class="eng">Engineering</th></tr>
-                    {{for data.cached["eng"]}}
+                    {{for data.manifest["eng"]}}
                         {{if value.rank == "Chief Engineer"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -327,9 +327,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.med.length}}
+                {{if data.manifest.med.length}}
                     <tr><th colspan="3" class="med">Medical</th></tr>
-                    {{for data.cached["med"]}}
+                    {{for data.manifest["med"]}}
                         {{if value.rank == "Chief Medical Officer"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -337,9 +337,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.sci.length}}
+                {{if data.manifest.sci.length}}
                     <tr><th colspan="3" class="sci">Science</th></tr>
-                    {{for data.cached["sci"]}}
+                    {{for data.manifest["sci"]}}
                         {{if value.rank == "Research Director"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -347,9 +347,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.civ.length}}
+                {{if data.manifest.civ.length}}
                     <tr><th colspan="3" class="civ">Civilian</th></tr>
-                    {{for data.cached["civ"]}}
+                    {{for data.manifest["civ"]}}
                         {{if value.rank == "Head of Personnel"}}
                             <tr><td><span class="good">{{:value.name}}</span></td><td><span class="good">{{:value.rank}}</span></td><td><span class="good">{{:value.active}}</span></td></tr>
                         {{else}}
@@ -357,9 +357,9 @@ Used In File(s): \code\game\objects\items\devices\PDA\PDA.dm
                         {{/if}}
                     {{/for}}
                 {{/if}}
-                {{if data.cached.misc.length}}
+                {{if data.manifest.misc.length}}
                     <tr><th colspan="3" class="misc">Misc</th></tr>
-                    {{for data.cached["misc"]}}
+                    {{for data.manifest["misc"]}}
                         <tr><td><span class="average">{{:value.name}}</span></td><td><span class="average">{{:value.rank}}</span></td><td><span class="average">{{:value.active}}</span></td></tr>
                     {{/for}}
                 {{/if}}
diff --git a/nano/templates/sec_camera.tmpl b/nano/templates/sec_camera.tmpl
index 886cb0f87c..13ec5ab229 100644
--- a/nano/templates/sec_camera.tmpl
+++ b/nano/templates/sec_camera.tmpl
@@ -12,7 +12,7 @@ Used In File(s): \code\game\machinery\computer\camera.dm
 		<div class='itemContent'>None</div>
 	{{/if}}
 </div>
-{{for data.cached.cameras}}
+{{for data.cameras}}
 	{{if data.current && value.name == data.current.name}}
 		{{:helper.link(value.name, '', {'switchTo' : value.camera}, 'selected')}}
 	{{else value.deact}}
diff --git a/nano/templates/sec_camera_map_content.tmpl b/nano/templates/sec_camera_map_content.tmpl
index 55d9e05d4d..a2706d8c35 100644
--- a/nano/templates/sec_camera_map_content.tmpl
+++ b/nano/templates/sec_camera_map_content.tmpl
@@ -2,7 +2,7 @@
 Title: Security Camera Console (Map content)
 Used In File(s): \code\game\machinery\computer\camera.dm
  -->
-{{for data.cached.cameras}}
+{{for data.cameras}}
 	{{if value.z == 1}}
 		<div class="mapIcon mapIcon16" style="left: {{:(value.x)}}px; bottom: {{:(value.y - 1)}}px;">
 			{{if data.current && value.name == data.current.name}}