diff --git a/editions/prerelease/tiddlers/system/TiddlyWiki Pre-release.tid b/editions/prerelease/tiddlers/system/TiddlyWiki Pre-release.tid
index 7080f6684..d23a7571f 100644
--- a/editions/prerelease/tiddlers/system/TiddlyWiki Pre-release.tid	
+++ b/editions/prerelease/tiddlers/system/TiddlyWiki Pre-release.tid	
@@ -19,4 +19,3 @@ Set "Stacked" story view
 <$action-setfield $tiddler="$:/view" text="classic"/>
 Revert
 </$button>
-* [[Hierarchical system tiddler browser|$:/core/ui/MoreSideBar/Explore]]
diff --git a/editions/tw5.com/tiddlers/RenderCommand.tid b/editions/tw5.com/tiddlers/RenderCommand.tid
new file mode 100644
index 000000000..a3409135a
--- /dev/null
+++ b/editions/tw5.com/tiddlers/RenderCommand.tid
@@ -0,0 +1,8 @@
+caption: render
+created: 20170919131752774
+modified: 20170919131805871
+tags: Commands
+title: RenderCommand
+type: text/vnd.tiddlywiki
+
+{{$:/language/Help/render}}
diff --git a/editions/tw5.com/tiddlers/SaveCommand.tid b/editions/tw5.com/tiddlers/SaveCommand.tid
new file mode 100644
index 000000000..467d564fa
--- /dev/null
+++ b/editions/tw5.com/tiddlers/SaveCommand.tid
@@ -0,0 +1,8 @@
+caption: save
+created: 20170919131738203
+modified: 20170919131813069
+tags: Commands
+title: SaveCommand
+type: text/vnd.tiddlywiki
+
+{{$:/language/Help/save}}
diff --git a/editions/tw5.com/tiddlers/concepts/Pragma.tid b/editions/tw5.com/tiddlers/concepts/Pragma.tid
index f1377b708..cb932dcf8 100644
--- a/editions/tw5.com/tiddlers/concepts/Pragma.tid
+++ b/editions/tw5.com/tiddlers/concepts/Pragma.tid
@@ -15,4 +15,4 @@ The following pragmas are available:
 ;`\rules`
 : for adjusting the set of rules used to parse the text
 ;`\whitespace trim` or `\whitespace notrim`
-: Control whether whitespace is trimmed from the start and end of text runs (the default is ''notrim''). This setting can be useful when the whitespace generated by linebreaks disturbs formatting
+: <<.from-version "5.1.15">> Control whether whitespace is trimmed from the start and end of text runs (the default is ''notrim''). This setting can be useful when the whitespace generated by linebreaks disturbs formatting
diff --git a/editions/tw5.com/tiddlers/lookup Operator.tid b/editions/tw5.com/tiddlers/lookup Operator.tid
index f0cc8d3d3..9cbd6d5b5 100644
--- a/editions/tw5.com/tiddlers/lookup Operator.tid	
+++ b/editions/tw5.com/tiddlers/lookup Operator.tid	
@@ -12,7 +12,7 @@ tags: [[Filter Operators]]
 title: lookup Operator
 type: text/vnd.tiddlywiki
 
-<<.from-version "5.1.14">>
+<<.from-version "5.1.15">>
 
 The action of this operator is as follows:
 
diff --git a/editions/tw5.com/tiddlers/tv-filter-export-link Variable.tid b/editions/tw5.com/tiddlers/tv-filter-export-link Variable.tid
index 63d0c39f0..f9800b43f 100644
--- a/editions/tw5.com/tiddlers/tv-filter-export-link Variable.tid	
+++ b/editions/tw5.com/tiddlers/tv-filter-export-link Variable.tid	
@@ -5,7 +5,7 @@ tags: Variables [[Core Variables]] [[Configuration Variables]]
 title: tv-filter-export-link Variable
 type: text/vnd.tiddlywiki
 
-The <<.def tv-filter-export-link>> [[variable|Variables]] controls the value of the `href` attribute on the HTML `a` element generated by the <<.wlink LinkWidget>> widget. If defined, it takes precedence over the [[tv-wikilink-template Variable]].
+<<.from-version "5.1.15">> The <<.def tv-filter-export-link>> [[variable|Variables]] controls the value of the `href` attribute on the HTML `a` element generated by the <<.wlink LinkWidget>> widget. If defined, it takes precedence over the [[tv-wikilink-template Variable]].
 
 <<.this-is-static-link-variable>>
 
diff --git a/editions/tw5.com/tiddlers/widgets/LinkWidget.tid b/editions/tw5.com/tiddlers/widgets/LinkWidget.tid
index 49c407e26..076b26187 100644
--- a/editions/tw5.com/tiddlers/widgets/LinkWidget.tid
+++ b/editions/tw5.com/tiddlers/widgets/LinkWidget.tid
@@ -66,7 +66,7 @@ The following process is used to generate the `href` attribute of the generated
 
 # If <<.vlink tv-get-export-link>> is defined it is invoked to convert the target tiddler title to the `href` value
 #* In practice, only a [[JavaScript macro|Macros]] can be used
-# <<.from-version "5.1.14">> If <<.vlink tv-filter-export-link>> is defined it is interpreted as a filter that converts the target tiddler title to the `href` value
+# <<.from-version "5.1.15">> If <<.vlink tv-filter-export-link>> is defined it is interpreted as a filter that converts the target tiddler title to the `href` value
 # If <<.vlink tv-wikilink-template>> is defined it is treated as a specialised macro body that can perform limited conversion of the target tiddler title to the `href` value
 # Otherwise, the target tiddler title is URI encoded to create the `href`