Mathjax-backlog.md

 We collect potential features. Note: This is not a discussion area but a presentation area for review. 
 
-* Completing the MathML implementation
-    * elementary math elements (mlongdiv, mstack etc) [spec](http://www.w3.org/Math/draft-spec/chapter3.html#presm.elementary)
-    * more mtable attributes (e.g., rowspan, colspan)
-    * in-table alignments 
-    * right-to-left support
-    * improve annotation-xml
-        * use static image as preview
-    * improved ContentMathML support
-        * integrate David Carlisle's pure-JS update (no xslt)
-        * as part of that, modularize Content-to-Presentation generation
 * Speed Improvements
-    * improve our “tweaked” native MathML output that works around browser implementation deficiencies.
-    * “simple” HTML-output (faster but potentially lower quality) 
-         * integrate jqmath as output option
-    * Caching APIs for local storage and mobile device storage
-    * investigating new output formats such as canvas
-    * server-side preprocessing (TeX to MathML, MathML to SVG etc)
+    * multi-pass rendering
+        * enable a first, faster but less precise pass, followed by a second, precise pass. 
+        * develop “simple” HTML-output (faster but potentially lower quality) 
+            * integrate jqmath as output option
+    * improve loading behavior
+        * improve loading techniques and behavior (review current state of art)
+            * investigate webservice for building combined configurations
+        * create lazy loading extension (prefetch MathJax components after typesetting is complete)
+        * leverage latest browser technologies (IE9+)
+    * Create lazy typesetting extension (typeset the viewport)
+    * Leverage local storage technologies to reduce need for re-rendering content.
+    * Leverage server-side preprocessing (TeX to MathML, MathML to SVG, image previews etc)
     * collaborate with browser developers to improve MathJax speed
+* Completing MathML 3 support
+    * implement elementary math elements ([mlongdiv, mstack etc](http://www.w3.org/Math/draft-spec/chapter3.html#presm.elementary))
+    * implement missing mtable attributes (e.g., rowspan, colspan)
+    * implement right-to-left support
+    * improve ContentMathML support
+        * integrate David Carlisle's pure-JS update (no xslt)
+        * as part of that, modularize Content-to-Presentation generation
+    * improve annotation-xml support
+        * provide options to use specific annotations as preview (image, TeX etc)
+    * implement in-table alignments 
 * Accessibility
-    * Make UI (MathJax Menu) more accessible
-    * fix UI on mobile
+    * Improve UI (MathJax Menu) accessibility
     * finalize discovery-mode of the UI
-    * Use ShadowDOM to push rendering out into the Shadow and keep MathML (or other inputs) in the Light.
+    * Investigate ShadowDOM potential for accessibility
+    * speech-text extension.
+        * collaborating with other open source solutions from Benetech or Google ChromeVox
+    * embedding alternative source formats of math (TeX, MathML, OpenMath, computer algebra notation) 
     * Add APIs for accessibility tools (AT) to interact with MathJax rendering as if it was native MathML. This includes
         * handing MathML over to AT
         * enable user navigation
@@ -30,34 +38,31 @@ We collect potential features. Note: This is not a discussion area but a present
         * embed speech-text generation from AT
         * interact with accessibility preferences coming from AT
         * compatibility with user style sheets
-    * speech-text extension.
-        * collaborating with other open source solutions from Benetech or Google ChromeVox
-    * embedding alternative source formats of math (TeX, MathML, OpenMath, computer algebra notation) 
-* Content Testing
+* Server side MathJax
+    * enable MathJax outside the DOM (e.g. nodejs, rhino)
+    * enable server-side pre-processing
     * server side testing
     * production environment testing
-    * enable MathJax outside the DOM
-    * enable server-side pre-processing
-* Internal Testing
-    * improve fuzz testing
-    * integrating MathJax testing into other testing environments
 * UI improvements
     * copy&paste (share mechanisms, microdata, rdf, shadow dom, web components)
     * discoverability of math on the page
     * menu extensions
     * search menu (enabling math search engines such as symbolab, wolfram alpha, Springer LaTeX search etc)
+* Font improvements
+    * allow font mixing (different math fonts, supplementing character coverage, generic font support in HTML output)
+    * Support for ubiquitous commercial fonts (local installation only)
+        * Lucida Sans, Apple symbol fonts, Arial unicode
+    * crowdsource font-metric generation for local fonts
 * Input improvements
     * Create jqmath input jax
     * Improve asciimath input
         * Improve asciimath to MathML converter
     * Create asciimath to TeX converter
     * Create MathJax-TeX-to-Content-MathML generator
-* Additional font options
-    * allow font mixing
-    * Local support for ubiquitous commercial fonts
-        * Lucida Sans, Apple symbol fonts, Arial unicode
-    * crowdsource font-metric generation for local fonts
-* Input extensions
+* Output improvements
+    * improve our “tweaked” native MathML output that works around browser implementation deficiencies.
+    * investigating new output formats such as canvas
+* Extensions
     * official third party extension repository 
     * integration of existing extensions
         * XyJax (xypic), mathapedia (pstricks), computer algebra (e.g. Sage Cell), chemdoodle, kitware (chemistry)
@@ -66,6 +71,9 @@ We collect potential features. Note: This is not a discussion area but a present
     * improve community involvement 
     * Building a collection of code samples
     * document plugin using MathJax in other systems, e.g., CMS, LMS.
+* Internal Testing
+    * improve fuzz testing
+    * integrating MathJax testing into other testing environments
 * Outreach activities
     * MathJax workshop / conference
     * MathJax community meetups