diff --git a/core/language/en-GB/ControlPanel.multids b/core/language/en-GB/ControlPanel.multids
index fa3dcef8c..7a0e61434 100644
--- a/core/language/en-GB/ControlPanel.multids
+++ b/core/language/en-GB/ControlPanel.multids
@@ -90,6 +90,9 @@ Settings/NavigationHistory/Caption: Navigation History
 Settings/NavigationHistory/Hint: Update browser history when navigating to a tiddler:
 Settings/NavigationHistory/No/Description: Do not update history
 Settings/NavigationHistory/Yes/Description: Update history
+Settings/PerformanceInstrumentation/Caption: Performance Instrumentation
+Settings/PerformanceInstrumentation/Hint: Displays performance statistics in the browser developer console. Requires reload to take effect
+Settings/PerformanceInstrumentation/Description: Enable performance instrumentation
 Settings/ToolbarButtonStyle/Caption: Toolbar Button Style
 Settings/ToolbarButtonStyle/Hint: Choose the style for toolbar buttons:
 Settings/ToolbarButtonStyle/Styles/Borderless: Borderless
diff --git a/core/modules/startup/startup.js b/core/modules/startup/startup.js
index 6bdb2e9a9..08f9641e3 100755
--- a/core/modules/startup/startup.js
+++ b/core/modules/startup/startup.js
@@ -18,7 +18,7 @@ exports.after = ["load-modules"];
 exports.synchronous = true;
 
 // Set to `true` to enable performance instrumentation
-var PERFORMANCE_INSTRUMENTATION = false;
+var PERFORMANCE_INSTRUMENTATION_CONFIG_TITLE = "$:/config/Performance/Instrumentation";
 
 var widget = require("$:/core/modules/widgets/widget.js");
 
@@ -29,7 +29,7 @@ exports.startup = function() {
 	}
 	$tw.version = $tw.utils.extractVersionInfo();
 	// Set up the performance framework
-	$tw.perf = new $tw.Performance(PERFORMANCE_INSTRUMENTATION);
+	$tw.perf = new $tw.Performance($tw.wiki.getTiddlerText(PERFORMANCE_INSTRUMENTATION_CONFIG_TITLE,"no") === "yes");
 	// Kick off the language manager and switcher
 	$tw.language = new $tw.Language();
 	$tw.languageSwitcher = new $tw.PluginSwitcher({
diff --git a/core/modules/utils/performance.js b/core/modules/utils/performance.js
index c8896c27e..3e7acfac3 100644
--- a/core/modules/utils/performance.js
+++ b/core/modules/utils/performance.js
@@ -28,9 +28,9 @@ Performance.prototype.report = function(name,fn) {
 			self.measures = {};
 			var startTime = $tw.utils.timer(),
 				result = fn.apply(this,arguments);
-			self.logger.log(name + ": " + $tw.utils.timer(startTime) + "ms");
+			self.logger.log(name + ": " + $tw.utils.timer(startTime).toFixed(2) + "ms");
 			for(var m in self.measures) {
-				self.logger.log("+" + m + ": " + self.measures[m] + "ms");
+				self.logger.log("+" + m + ": " + self.measures[m].toFixed(2) + "ms");
 			}
 			return result;
 		};
diff --git a/core/modules/widgets/edit-text.js b/core/modules/widgets/edit-text.js
index 835e0ce9d..377b7d5a5 100644
--- a/core/modules/widgets/edit-text.js
+++ b/core/modules/widgets/edit-text.js
@@ -185,6 +185,8 @@ EditTextWidget.prototype.refresh = function(changedTiddlers) {
 		this.updateEditor(this.getEditInfo().value);
 		return true;
 	}
+	// Fix the height anyway in case there has been a reflow
+	this.fixHeight();
 	return false;
 };
 
diff --git a/core/ui/ControlPanel/Settings/PerformanceInstrumentation.tid b/core/ui/ControlPanel/Settings/PerformanceInstrumentation.tid
new file mode 100644
index 000000000..b3d1d9763
--- /dev/null
+++ b/core/ui/ControlPanel/Settings/PerformanceInstrumentation.tid
@@ -0,0 +1,8 @@
+title: $:/core/ui/ControlPanel/Settings/PerformanceInstrumentation
+tags: $:/tags/ControlPanel/Settings
+caption: {{$:/language/ControlPanel/Settings/PerformanceInstrumentation/Caption}}
+
+\define lingo-base() $:/language/ControlPanel/Settings/PerformanceInstrumentation/
+<<lingo Hint>>
+
+<$checkbox tiddler="$:/config/Performance/Instrumentation" field="text" checked="yes" unchecked="no" default="no"> <$link to="$:/config/Performance/Instrumentation"><<lingo Description>></$link> </$checkbox>
diff --git a/core/wiki/config/PerformanceInstrumentation.tid b/core/wiki/config/PerformanceInstrumentation.tid
new file mode 100644
index 000000000..ccae6842e
--- /dev/null
+++ b/core/wiki/config/PerformanceInstrumentation.tid
@@ -0,0 +1,2 @@
+title: $:/config/Performance/Instrumentation
+text: no
diff --git a/core/wiki/config/SaverFilter.tid b/core/wiki/config/SaverFilter.tid
index a5059b24e..20554a78d 100644
--- a/core/wiki/config/SaverFilter.tid
+++ b/core/wiki/config/SaverFilter.tid
@@ -1,3 +1,3 @@
 title: $:/config/SaverFilter
 
-[all[]] -[[$:/HistoryList]] -[[$:/StoryList]] -[[$:/Import]] -[[$:/isEncrypted]] -[[$:/UploadName]] -[prefix[$:/state]] -[prefix[$:/temp]]
\ No newline at end of file
+[all[]] -[[$:/HistoryList]] -[[$:/StoryList]] -[[$:/Import]] -[[$:/isEncrypted]] -[[$:/UploadName]] -[prefix[$:/state/]] -[prefix[$:/temp/]]
\ No newline at end of file
diff --git a/core/wiki/config/SyncFilter.tid b/core/wiki/config/SyncFilter.tid
index cd06e62d6..2c91f6e7b 100644
--- a/core/wiki/config/SyncFilter.tid
+++ b/core/wiki/config/SyncFilter.tid
@@ -1,3 +1,3 @@
 title: $:/config/SyncFilter
 
-[is[tiddler]] -[[$:/HistoryList]] -[[$:/Import]] -[[$:/isEncrypted]] -[prefix[$:/status]] -[prefix[$:/state]] -[prefix[$:/temp]]
\ No newline at end of file
+[is[tiddler]] -[[$:/HistoryList]] -[[$:/Import]] -[[$:/isEncrypted]] -[prefix[$:/status/]] -[prefix[$:/state/]] -[prefix[$:/temp/]]
\ No newline at end of file
diff --git a/editions/dev/tiddlywiki.info b/editions/dev/tiddlywiki.info
index 2c4e090ea..b9d121fac 100644
--- a/editions/dev/tiddlywiki.info
+++ b/editions/dev/tiddlywiki.info
@@ -13,6 +13,7 @@
 		"tiddlywiki/starlight",
 		"tiddlywiki/seamless",
 		"tiddlywiki/centralised",
+		"tiddlywiki/tight",
 		"tiddlywiki/readonly"
 	],
 	"languages": [
diff --git a/editions/full/tiddlywiki.info b/editions/full/tiddlywiki.info
index 94e48c7f9..9b6f87a09 100644
--- a/editions/full/tiddlywiki.info
+++ b/editions/full/tiddlywiki.info
@@ -45,6 +45,7 @@
 	],
 	"themes": [
 		"tiddlywiki/centralised",
+		"tiddlywiki/tight",
 		"tiddlywiki/readonly",
 		"tiddlywiki/seamless",
 		"tiddlywiki/snowwhite",
diff --git a/editions/introduction/tiddlywiki.info b/editions/introduction/tiddlywiki.info
index 217d4783f..2e2b3d0e3 100644
--- a/editions/introduction/tiddlywiki.info
+++ b/editions/introduction/tiddlywiki.info
@@ -13,6 +13,7 @@
 		"tiddlywiki/starlight",
 		"tiddlywiki/seamless",
 		"tiddlywiki/centralised",
+		"tiddlywiki/tight",
 		"tiddlywiki/readonly"
 	],
 	"languages": [
diff --git a/editions/prerelease/tiddlers/Release 5.1.10.tid b/editions/prerelease/tiddlers/Release 5.1.10.tid
index 9a8bcb969..af1488fb2 100644
--- a/editions/prerelease/tiddlers/Release 5.1.10.tid	
+++ b/editions/prerelease/tiddlers/Release 5.1.10.tid	
@@ -20,6 +20,8 @@ This release includes several low-level performance optimisations that should im
 * [[Caching data tiddlers|https://github.com/Jermolene/TiddlyWiki5/commit/32f6d7f1b01474b82debcbdd5d76c49c59303265]]
 * [[Removed expensive visual effects|https://github.com/Jermolene/TiddlyWiki5/commit/4f5cf4597abb08af787b62c2e2ee1b8c667dad1e]]
 
+There is a new setting in the control panel to enable performance instrumentation, making it much easier to measure and improve performance issues.
+
 !! Résumé Builder Edition
 
 The new [[Résumé Builder Edition]] by @inmysocks is a custom edition to guide you through the process of using TiddlyWiki to create a good looking résumé (or curriculum vitæ).
@@ -44,6 +46,18 @@ Limited support for tiddlers stored in external `.tid` files:
 
 See [[Alice in Wonderland]] for an example. Try opening it without a network connection.
 
+!! New "Tight" Theme
+
+A new theme called "Tight" uses reduced padding, margins and font-sizes to pack as much text as possible:
+
+<$button>
+<$action-setfield $tiddler="$:/theme" text="$:/themes/tiddlywiki/tight"/>
+Try it out
+</$button> <$button>
+<$action-setfield $tiddler="$:/theme" text="$:/themes/tiddlywiki/snowwhite"/>
+Revert
+</$button>
+
 ! Other Improvements
 
 !! Translation Improvements
@@ -78,6 +92,7 @@ See [[Alice in Wonderland]] for an example. Try opening it without a network con
 * [[Extended|https://github.com/Jermolene/TiddlyWiki5/commit/fd997c45814e6bb5b576137bf62bad5575b0a28c]] the ActionSetFieldWidget to enable it to be used to delete a field or indexed property
 * [[Made|https://github.com/Jermolene/TiddlyWiki5/commit/746aab2cf6bbe3c1905efd5caf80e40e23b914b0]] the tw5.com documentation available as a plugin and an <a href="editions/tw5.com-docs/index.html" target="_blank">edition</a>, simplifying some scenarios for re-using it
 * [[Improved|https://github.com/Jermolene/TiddlyWiki5/commit/0035a0046315ee0203b1adfb75efdbb0e854a7f6]] rendering of "More" sidebar tab gradients in the "Snow White" theme
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/33563d01baed4b4092fc834eb6a1df55e1671418]] option in [[control panel|$:/ControlPanel]] to enable the display of detailed performance instrumentation in the browser developer console
 
 !! Bug Fixes
 
@@ -85,6 +100,10 @@ See [[Alice in Wonderland]] for an example. Try opening it without a network con
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/3fbf29093b32c00941b0c03951250de7c0cc8d6f]] problem with invisible icons in $:/AdvancedSearch
 * [[Improved|https://github.com/Jermolene/TiddlyWiki5/commit/862e358b57fde74595420e7948bf44fdadf690dc]] check for required plugins in ServerCommand
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/709126dd643207adab725569c214f8617c28fbeb]] problem with queueing change events for deleting non-existent tiddlers
+* [[Ensure|https://github.com/Jermolene/TiddlyWiki5/commit/85553609b10ccc813662c867d4043e5df78efcec]] EditTextWidget fixes height even if refresh isn't required
+* [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/8a763e9d838fcb571d12c4175952cd4e15e95e00]] the gradient on the sidebar tabs divider
+* [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/6add992bf2e9cedd077c74c3471758bbe9d6e1b2]] problem with tiddler titles such as `$:/templates/something` being erroneously classed as `$:/temp` tiddlers, and so excluded from syncing
+* [[Switched|https://github.com/Jermolene/TiddlyWiki5/commit/acbf87657b6c88719148266100b91a61e29a0546]] to absolute date format in tiddler subtitles
 
 !! Node.js Improvements
 
diff --git a/editions/prerelease/tiddlywiki.info b/editions/prerelease/tiddlywiki.info
index 7e7f86cdb..632fc48f6 100644
--- a/editions/prerelease/tiddlywiki.info
+++ b/editions/prerelease/tiddlywiki.info
@@ -15,6 +15,7 @@
 		"tiddlywiki/nighttime",
 		"tiddlywiki/starlight",
 		"tiddlywiki/seamless",
+		"tiddlywiki/tight",
 		"tiddlywiki/centralised",
 		"tiddlywiki/readonly"
 	],
diff --git a/editions/tw5.com/tiddlers/community/HelpingTiddlyWiki.tid b/editions/tw5.com/tiddlers/community/HelpingTiddlyWiki.tid
index cd256ccc5..9ffd010fb 100644
--- a/editions/tw5.com/tiddlers/community/HelpingTiddlyWiki.tid
+++ b/editions/tw5.com/tiddlers/community/HelpingTiddlyWiki.tid
@@ -1,5 +1,5 @@
 created: 20130825160500000
-modified: 20150310172330006
+modified: 20151010131218969
 tags: Community
 title: HelpingTiddlyWiki
 type: text/vnd.tiddlywiki
@@ -10,7 +10,9 @@ If you find TiddlyWiki useful, there are lots of ways you can help assure its fu
 
 OpenSource projects like ~TiddlyWiki thrive on the feedback and engagement of users. ~TiddlyWiki becomes more useful to everyone as more and more people use it. So, if you find ~TiddlyWiki useful, spread the word. The best possible way to assure its future is for it to become a hundred times more popular than before.
 
+* [img[https://img.shields.io/twitter/url/http/tiddlywiki.com.svg?style=social]]
 * Tweet about ~TiddlyWiki: [[I love TiddlyWiki because...|https://twitter.com/intent/tweet?text=I+love+TiddlyWiki+because...&source=tiddlywiki5]]
+* [img[https://img.shields.io/github/stars/jermolene/tiddlywiki5.svg?style=social&label=Star]]
 * [[Star the TiddlyWiki5 GitHub Repository|https://github.com/Jermolene/TiddlyWiki5]]
 * [[Display the TiddlyWiki Poster|http://tiddlywiki.com/poster]]
 
diff --git a/editions/tw5.com/tiddlers/concepts/Modules.tid b/editions/tw5.com/tiddlers/concepts/Modules.tid
index ce3f699f6..cc48f3a28 100644
--- a/editions/tw5.com/tiddlers/concepts/Modules.tid
+++ b/editions/tw5.com/tiddlers/concepts/Modules.tid
@@ -6,4 +6,4 @@ type: text/vnd.tiddlywiki
 
 A //module// in TiddlyWiki5 is a tiddler containing executable JavaScript, of the type `application/javascript` and with the field `module-type` set to the ModuleType of the module.
 
-See the ''Internals'' tab of the [[control panel|$:/ControlPanel]] for lists of the currently loaded modules.
+See [[ControlPanel|$:/ControlPanel]] > ''Info'' > ''Advanced'' > ''Loaded Modules'' for a list of currently loaded modules.
diff --git a/editions/tw5.com/tiddlywiki.info b/editions/tw5.com/tiddlywiki.info
index 83ffbaa0f..703bec3b9 100644
--- a/editions/tw5.com/tiddlywiki.info
+++ b/editions/tw5.com/tiddlywiki.info
@@ -13,6 +13,7 @@
 		"tiddlywiki/starlight",
 		"tiddlywiki/seamless",
 		"tiddlywiki/centralised",
+		"tiddlywiki/tight",
 		"tiddlywiki/readonly"
 	],
 	"languages": [
diff --git a/plugins/tiddlywiki/text-slicer/docs.tid b/plugins/tiddlywiki/text-slicer/docs.tid
index 775011d01..ddfe508ec 100644
--- a/plugins/tiddlywiki/text-slicer/docs.tid
+++ b/plugins/tiddlywiki/text-slicer/docs.tid
@@ -45,10 +45,14 @@ The following theme tweaks should be applied to enable the preview column:
 
 Documents can be saved under Node.js, or previewed in the browser.
 
-!! Browser
+!! Exporting Documents in the Browser
 
 To preview a document, locate it in the preview column and click the button labelled "View document". The document will open in plain text in a new window. The window will be automatically updated as you work on the document.
 
+!! Exporting Documents under Node.js
+
+[TBD]
+
 ! Sliced Document Format
 
 !! Introduction
@@ -100,7 +104,6 @@ The document itself is represented by a tiddler with the following fields:
 * ''text'': Available for comments about the document
 * ''list'': ordered list of tiddlers making up the root level of this document
 
-
 !!! Headings
 
 Tiddlers representing headings have the following fields:
@@ -140,3 +143,17 @@ The tiddlers representing items within the list have the following fields:
 * ''title'': an automatically generated unique title
 * ''text'': the text of the list item
 * ''tags'': any CSS classes found in the HTML are converted into tags
+
+!!! Images
+
+Tiddlers representing images have the following fields:
+
+* ''toc-type'': the text "image"
+* ''title'': an automatically generated unique title
+* ''type'': appropriate content type for the image (eg "image/jpeg")
+
+! Document Metadata, Tags and Classes
+
+[TBD]
+
+
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/document.tid b/plugins/tiddlywiki/text-slicer/templates/static/document.tid
index b32f90563..1d1afd2c8 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/document.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/document.tid
@@ -1,11 +1,7 @@
 title: $:/plugins/tiddlywiki/text-slicer/templates/static/document
 
-`<div class="tc-output-document">`
-
 <$set name="tv-exclude-filter" value={{!!toc-exclude-filter}}>
 
 <$list filter="[list<currentTiddler>!has[draft.of]]" template="$:/plugins/tiddlywiki/text-slicer/templates/static/tiddler"/>
 
 </$set>
-
-`</div>`
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/heading.tid b/plugins/tiddlywiki/text-slicer/templates/static/heading.tid
index a1b897f77..5b44f5f20 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/heading.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/heading.tid
@@ -1,6 +1,6 @@
 title: $:/plugins/tiddlywiki/text-slicer/templates/static/heading
 
-`<`<$text text={{!!toc-heading-level}}/>`>`
+`<`<$text text={{!!toc-heading-level}}/>` class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
 
 <$view field="text" format="htmlencodedplainwikified"/>
 
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes.tid b/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes.tid
new file mode 100644
index 000000000..3d028e70a
--- /dev/null
+++ b/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes.tid
@@ -0,0 +1,3 @@
+title: $:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes
+
+<$list filter="[all[current]tags[]addprefix[$:/_DocumentTags/]has[title]]"><$view field="css-class"/> </$list>
\ No newline at end of file
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/image.tid b/plugins/tiddlywiki/text-slicer/templates/static/image.tid
index fd8bbce81..f1eba41a0 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/image.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/image.tid
@@ -1,3 +1,13 @@
 title: $:/plugins/tiddlywiki/text-slicer/templates/static/image
 
-`<img src="data:`<$view format="text" field="type"/>`;base64,`<$view format="text" field="text"/>`">`
+<$reveal state="!!_canonical_uri" type="match" text="">
+
+`<img src="data:`<$view format="text" field="type"/>`;base64,`<$view format="text" field="text"/>`" class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
+
+</$reveal>
+
+<$reveal state="!!_canonical_uri" type="nomatch" text="">
+
+`<img src="`<$text text=<<tv-external-image-path>>/><$view field="title" format="doubleurlencoded"/>`" class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
+
+</$reveal>
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/item.tid b/plugins/tiddlywiki/text-slicer/templates/static/item.tid
index 599076695..268320c13 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/item.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/item.tid
@@ -1,6 +1,6 @@
 title: $:/plugins/tiddlywiki/text-slicer/templates/static/item
 
-`<li>`
+`<li class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
 
 <$transclude/>
 
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/list.tid b/plugins/tiddlywiki/text-slicer/templates/static/list.tid
index 05c3030da..e60fadb20 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/list.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/list.tid
@@ -2,7 +2,7 @@ title: $:/plugins/tiddlywiki/text-slicer/templates/static/list
 
 <$list filter="""[all[current]] $(tv-exclude-filter)$ +[limit[1]]""" variable="item">
 
-`<`<$text text={{!!toc-list-type}}/>`>`
+`<`<$text text={{!!toc-list-type}}/>` class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
 
 <$list filter={{!!toc-list-filter}} template="$:/plugins/tiddlywiki/text-slicer/templates/static/tiddler"/>
 
diff --git a/plugins/tiddlywiki/text-slicer/templates/static/paragraph.tid b/plugins/tiddlywiki/text-slicer/templates/static/paragraph.tid
index e4237ba56..574d7a381 100644
--- a/plugins/tiddlywiki/text-slicer/templates/static/paragraph.tid
+++ b/plugins/tiddlywiki/text-slicer/templates/static/paragraph.tid
@@ -2,7 +2,7 @@ title: $:/plugins/tiddlywiki/text-slicer/templates/static/paragraph
 
 <$list filter="""[all[current]] $(tv-exclude-filter)$ +[limit[1]]""" variable="item">
 
-`<p>`
+`<p class="`{{||$:/plugins/tiddlywiki/text-slicer/templates/static/helpers/classes}}`">`
 
 <$view field="text" format="htmlencodedplainwikified"/>
 
diff --git a/themes/tiddlywiki/snowwhite/base.tid b/themes/tiddlywiki/snowwhite/base.tid
index bd4f9878e..dff8c9bdc 100644
--- a/themes/tiddlywiki/snowwhite/base.tid
+++ b/themes/tiddlywiki/snowwhite/base.tid
@@ -85,7 +85,7 @@ canvas.tc-edit-bitmapeditor  {
 .tc-sidebar-lists .tc-tab-set .tc-tab-divider {
 	border-top: none;
 	height: 1px;
-	<<background-linear-gradient "left, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.0) 350px">>
+	<<background-linear-gradient "left, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.0) 100%">>
 }
 
 .tc-more-sidebar .tc-tab-buttons button {
diff --git a/themes/tiddlywiki/tight/base.tid b/themes/tiddlywiki/tight/base.tid
new file mode 100644
index 000000000..62ec25541
--- /dev/null
+++ b/themes/tiddlywiki/tight/base.tid
@@ -0,0 +1,94 @@
+title: $:/themes/tiddlywiki/tight/base
+tags: [[$:/tags/Stylesheet]]
+
+\rules only filteredtranscludeinline transcludeinline macrodef macrocallinline
+
+@media (max-width: {{$:/themes/tiddlywiki/vanilla/metrics/sidebarbreakpoint}}) {
+}
+
+@media (min-width: {{$:/themes/tiddlywiki/vanilla/metrics/sidebarbreakpoint}}) {
+
+	html body.tc-body {
+		font-size: 13px;
+		line-height: 16px;
+	}
+
+	html body.tc-body h1,
+	html body.tc-body h2,
+	html body.tc-body h3,
+	html body.tc-body h4,
+	html body.tc-body p {
+		margin-top: 0.3em;
+		margin-bottom: 0.3em;
+	}
+
+	html body.tc-body code {
+		font-size: 0.8em;
+	}
+
+	html body.tc-body section.tc-story-river {
+		padding: 0px;
+	}
+
+	html body.tc-body div.tc-tiddler-frame {
+		padding: 12px;
+	}
+
+	html body.tc-body div.tc-sidebar-scrollable {
+		padding: 12px 0 12px 12px;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-subtitle {
+		font-size: 0.7em;
+		font-weight: 700;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tags-wrapper {
+		margin: 0;
+	}
+
+	html body.tc-body .tc-tiddler-frame button.tc-tag-label,
+	html body.tc-body .tc-tiddler-frame span.tc-tag-label {
+		font-size: 0.8em;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tiddler-body h1 {
+		font-size: 1.5em;
+		font-weight: 500;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tiddler-body h2 {
+		font-size: 1.3em;
+		font-weight: 500;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tiddler-body h3 {
+		font-size: 1.2em;
+		font-weight: 500;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tiddler-body h4 {
+		font-size: 1.1em;
+		font-weight: 500;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-improvement-banner {
+		margin-right: -15px;
+		margin-left: -10px;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-tiddler-info {
+	    margin: 0 -13px 0 -13px;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-fold-banner {
+	    width: 13px;
+	    margin-left: -15px;
+	}
+
+	html body.tc-body .tc-tiddler-frame .tc-unfold-banner {
+	    margin-left: -13px;
+	    margin-top: -4px;
+	}
+
+}
diff --git a/themes/tiddlywiki/tight/plugin.info b/themes/tiddlywiki/tight/plugin.info
new file mode 100644
index 000000000..704e23508
--- /dev/null
+++ b/themes/tiddlywiki/tight/plugin.info
@@ -0,0 +1,9 @@
+{
+	"title": "$:/themes/tiddlywiki/tight",
+	"name": "Tight",
+	"author": "JeremyRuston",
+	"core-version": ">=5.0.0",
+	"plugin-type": "theme",
+	"description": "Tightly packed theme",
+	"dependents": ["$:/themes/tiddlywiki/vanilla"]
+}