caption: 5.1.1
created: 20140921124011558
modified: 20140921124011558
tags: ReleaseNotes
title: Release 5.1.1
type: text/vnd.tiddlywiki
released: 201409221100
description: [[KaTeX Plugin]]

//[[See GitHub for detailed change history of this release|https://github.com/TiddlyWiki/TiddlyWiki5/compare/v5.1.0...v5.1.1]]//

This is a minor bug fix release to improve the documentation and correct some issues with the first full release of TiddlyWiki.

!! Incompatible Changes

Certain features that were deprecated in [[Release 5.0.17-beta]] have now been removed:

* [[Removed|https://github.com/TiddlyWiki/TiddlyWiki5/commit/62edd1e8a3fddc0c11b87c87b3e5b404d8e1e395]] deprecated `title` attribute on the ButtonWidget
* [[Removed|https://github.com/TiddlyWiki/TiddlyWiki5/commit/d047ccdc84ab6f23779c3614712e0d6fa0ef63ec]] support for deprecated `$:/tags/stylesheet` system tag

Note that the next release will also remove support for regular expression filter operands, which was also deprecated in 5.0.17-beta.

!! Hackability Improvements

* [[Added|https://github.com/TiddlyWiki/TiddlyWiki5/commit/96b7d0eebaf73dcfd4eccb848b90caaa055e5e20]] first implementation of the [[KaTeX Plugin]] for mathematical typesetting

!! 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:

* [[@pmario|https://github.com/pmario]]
* [[@TheDiveO|https://github.com/TheDiveO]]
