Update release note

editions/prerelease/tiddlers/Release 5.1.20.tid

@@ -13,37 +13,48 @@ Added several new [[Mathematics Operators]] for working with numbers: [[negate|n
 
 Added serveral new string operators: [[length|length Operator]], [[uppercase|uppercase Operator]], [[lowercase|lowercase Operator]], [[trim|trim Operator]], [[concat|concat Operator]], [[split|split Operator]] and [[join|join Operator]].
 
-Added several new palettes. See the [[palette manager|$:/core/ui/ControlPanel/Palette]].
-
-Added new [[GitHub saver|Saving to GitHub]].
-
 !! Plugin Improvements
 
 New and improved plugins:
 
 * New [[BrowserStorage Plugin]] for saving tiddlers in browser local storage
 * New [[Innerwiki Plugin]] for rendering TiddlyWiki screenshots
-* Several improvements to the [[CodeMirror Plugin]]:
+* Several improvements to the [[CodeMirror Plugin]], including [[adding|https://github.com/Jermolene/TiddlyWiki5/pull/3810]] support for smart indent
-** [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3810]] support for smart indent
+* Several improvements to the [[DynaView Plugin]], including [[adding|https://github.com/Jermolene/TiddlyWiki5/commit/a9e595c3f633391003224e499440cdeb8560c055]] support for restoring the scroll position at startup from local storage
-* Several improvements to the [[DynaView Plugin]]:
+* Several improvements to the [[AWS Plugin]], including [[adding|https://github.com/Jermolene/TiddlyWiki5/commit/fffd0ee9e17d6b6a561648a42f0f200d4bb04046]] support for specifying credentials
-** [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/a9e595c3f633391003224e499440cdeb8560c055]] support for restoring the scroll position at startup from local storage
 
 !! Translation Improvements
 
 New and improved translations:
 
+* Catalan
 * Chinese Simplified and Chinese Traditional
+* French
 
+!! Performance Improvements
+
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3951]] pluggable index modules to accelerate the [[field Operator]] and the [[tag Operator]] (in tests on a wiki with 60K tiddlers, startup time is reduced by 25% with these optimisations, and refresh time is reduced by a factor of three.)
+* [[Optimised|https://github.com/Jermolene/TiddlyWiki5/commit/fddc5d4ee627232441278284ed6bee2f50fe8b26]] the "Classic" storyview to perform much faster when the animation duration is set to zero (approximtely 50% speed improvement was observed in tests opening a storyview with 8,000 entries)
+* [[Optimised|https://github.com/Jermolene/TiddlyWiki5/commit/7869546fef7b2ea5fd6fd72feacd565a7f177fb6]] the RevealWidget to avoid using the relatively slow `localeCompare()` method to compare strings
+* [[Updated|https://github.com/Jermolene/TiddlyWiki5/commit/e8d1fbba6c109ccbeaedc1b34e47677c0ada7529]] [[Performance Instrumentation]] to show the timings for individual filters
 
 !! Usability Improvements
 
+* Several new palettes: "Nord", "Solarized Light", "Spartan Day", "Spartan Night" and "Twilight"
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/5a37a84a54f2dc9ccf106309b739cfa693bae3e3]] the plugin library to search all plugin fields
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/e5f3301c1c36e8add4ed89ab1bd53a9b68411d3f]] a warning when core JavaScript modules are overwritten via import
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/pull/3654]] prompt for references when renaming a tiddler
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/0e6855eba8945e023cc5ef19809cfb6d6025627b]] a new filter preset for advanced search for "tiddlers modified this session"
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3898]] support for language aliases with the [[Highlight Plugin]]
 
 !! Hackability Improvements
 
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/8c72a28f0c70e6a62387ccdd1431f9225a5fd2de]] (and [[also here|https://github.com/Jermolene/TiddlyWiki5/commit/feab75a6d1723cd6db5912b2902f0ec33c550fb6]]) ability to specify plugins on the command line (see [[Using TiddlyWiki on Node.js]])
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/aa5eaa98fcb8658dbc2b93476c2e09c9207439d8]] a saver for [[Saveing to GitHub]]
+* [[Improved|https://github.com/Jermolene/TiddlyWiki5/commit/37ea659bf011b1d4a152f54171399d94f5bba3ef]] the [[dumpvariables Macro]]
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/754c1251a9bdf45e8f64079a4bbdaed2d05be2b7]] new [[variables Operator]] and [[getvariable Operator]]
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3880]] new [[unusedtitle Macro]]
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/e52a616891977bde142334df2a72c7dd121efb82]] support for widget subclassing -- see https://tiddlywiki.com/prerelease/dev/#WidgetSubclassingMechanism
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/36e76429b1a1d4638374d513430393db5693b932]] new `[is[variable]]` option to the [[is Operator]]
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/94f143bf643e36e817d1dd5b678515853eed6aca]] optional autofocus for the text inputs in $:/AdvancedSearch (controlled by the same [[Hidden Setting: Search AutoFocus]] as the sidebar search)
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3677]] support for deflate and gzip compression to the WebServer ListenCommand
@@ -52,6 +63,12 @@ New and improved translations:
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/pull/3822]] outline colour to button, textarea, input
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/477c41f84304ed83245c87068dba3695a5053d62]] ''tooltip'' attribute to SelectWidget
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/348a0bc8bcbf5c42d9b93e5e208696d28fc95cb7]] an option for plugins to disable the initial navigation at startup
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/c036c228269fc30d0df770a7c7713fd9af829df7]] $:/info/browser/language to the InfoMechanism
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/f047e7cbf50edcf4775b50bdebc3f704970b8cde]] an example of using StartupActions to set the default language
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/12630d4a91b4cc7b1eb846c3afbeda16858df05a]] an option to the LoadCommand to ignore loading errors
+* [[Improved|https://github.com/Jermolene/TiddlyWiki5/commit/edd3156430dd94b0ced630a1b70f2e2ef0ff6c36]] importing of JSON files to verify whether they are valid tiddler files, and import them as plain JSON if not
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/373afd72c804b0ffa2779849ba0d278d53e65df4]] new SaveWikiFolderCommand to save a wiki as a [[wiki folder|TiddlyWikiFolders]]
+* [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/5b09881679200dc78e5962a0588c8f214ddedbbb]] new DeleteTiddlersCommand
 
 !! Bug Fixes
 
@@ -62,9 +79,16 @@ New and improved translations:
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/72f2a9425197b013ab3664e1679c6763d92d4382]] bug with animation duration being blank
 * [[Fixed|https://github.com/Jermolene/TiddlyWiki5/pull/3806]] Firefox problem with drag and drop placeholders in the "open" tab of the sidebar
 * [[Ameliorated|https://github.com/Jermolene/TiddlyWiki5/pull/3809]] Firefox problem with sticky placeholder during drag and drop operations
+* [[Fixed|https://github.com/Jermolene/TiddlyWiki5/pull/3819]] [[CodeMirror Plugin]] to use ''tiddler-editor-border'' colour
+* [[Improved|https://github.com/Jermolene/TiddlyWiki5/commit/7fcd2f132e91aa375a1fece501b14e991ba1bd4c]] handling of JSON files by the file system adaptor:
+** Use `.json` files (instead of `.tid`) for any tiddler whose fields contain values that can't be stored as a .tid file
+** Save `application/json` tiddlers as `.json` files
+* [[Fixed|https://github.com/Jermolene/TiddlyWiki5/commit/8012a3508f209fbbe68484e30ed65832cf5146b9]] problem using the TiddlySpot saver with cookies disabled
 
 !! Developer Bug Fixes and Improvements
 
+* [[Updated|https://github.com/Jermolene/TiddlyWiki5/pull/3635]] [[Highlight Plugin]] to use highlight.js v9.15.6
+
 ! Contributors
 
 [[@Jermolene|https://github.com/Jermolene]] would like to thank the contributors to this release who have generously given their time to help improve TiddlyWiki:
@@ -77,7 +101,15 @@ New and improved translations:
 * [[@BurningTreeC|https://github.com/BurningTreeC]]
 * [[@diego898|https://github.com/diego898]]
 * [[@dnebauer|https://github.com/dnebauer]]
+* [[@inmysocks|https://github.com/inmysocks]]
+* [[@jdjdjdjdjdjd|https://github.com/jdjdjdjdjdjd]]
 * [[@JesseWeinstein|https://github.com/JesseWeinstein]]
+* [[@joshuafontany|https://github.com/joshuafontany]]
+* [[@Kartiku|https://github.com/Kartiku]]
 * [[@kyrias|https://github.com/kyrias]]
 * [[@MarxSal|https://github.com/MarxSal]]
+* [[@MidnightLightning|https://github.com/MidnightLightning]]
+* [[@talha131|https://github.com/talha131]]
+* [[@telmiger|https://github.com/telmiger]]
 * [[@the-kenny|https://github.com/the-kenny]]
+* [[@xcazin|https://github.com/xcazin]]

editions/tw5.com/tiddlers/fileformats/TiddlerFiles.tid

@@ -1,5 +1,5 @@
 created: 20130825150000000
-modified: 20150216171751154
+modified: 20190609154450433
 tags: [[TiddlyWiki on Node.js]]
 title: TiddlerFiles
 type: text/vnd.tiddlywiki
@@ -74,7 +74,9 @@ For example:
 ]
 ```
 
-//The ContentType `application/json` is used internally for these files//
+The ContentType `application/json` is used internally for these files.
+
+Note that JSON files that do not conform to the tiddler structure will instead be imported as a single tiddler containing the JSON data.
 
 !! TiddlyWiki HTML files