Integrated PDF previewer that supports two-way synchronization (SyncTeX) between the editor and PDF view.
Support for weaving Rnw files using the knitr package (requires knitr version 0.5 or higher).
Parsing of TeX error logs to extract errors, warnings, and bad boxes and present them in a navigable list.
Web Publishing
Editing and previewing R Markdown and R HTML files (like Sweave except for web pages).
Creation of easy to distribute standalone HTML files (with embedded images).
Support for including LaTeX and MathML equations in web pages using MathJax.
Source Editing
Find in files with regular expressions.
Code folding (expanding and collapsing regions of code).
0.96.331 — August 27th, 2012
Miscellaneous
Fix issue with git console flashing on windows
0.96.330 — August 6th, 2012
Miscellaneous
Retina display font rendering for new MacBook Pro
Add Ctrl+R as a shortcut for Run Code on Windows
Improved window restoration behavior (especially for multi-monitor configurations)
Prevent console from flickering after it has been cleared
Always initialize projects even while the underlying filesystem doesn’t support locking
Never overwrite exiting project file when creating a new project
Ensure that source-on-save setting is always respected
Source documents no longer marked as dirty if they are changed while RStudio is closed
Find in Files updated to work correctly with OS X 10.8 grep
RStudio Server compatibility with Safari 6
0.96.316 — June 29th, 2012
Markdown
Ability to define custom markdown rendering function to override default handling
HTML preview improvements: set focus on load, preserve anchor when refreshing
New notebook types based on calling knitr::stitch and knitr::silk
No longer require \ escape for MathJax native equations
Miscellaneous
Syntax highlighting mode for C/C++
Use current project directory as default for save as dialog
Fix for narrowing of console width after external PDF preview
0.96.304 — June 8th, 2012
Markdown
Added Create Notebook for quick reports from R scripts
MathJax
Support for wider variety of equation delimiters
0.96.233 — June 7th, 2012
Miscellaneous
Rebuild from correct v0.96 branch
0.96.231 — June 5th, 2012
Markdown
Fix publish to RPubs on Windows
0.96.230 — June 4th, 2012
Markdown
Support for publishing markdown documents to RPubs
0.96.228 — May 26th, 2012
Miscellaneous
Fix symbol lookup incompatibility with R-devel
0.96.227 — May 25th, 2012
MathJax
Introduce more explicit syntax for equation embedding to eliminate parsing ambiguities
Update docs to reflect no current support for ASCIIMath equations
0.96.225 — May 23rd, 2012
Sweave/LaTeX
Comment/Uncomment for LaTeX and Sweave files
Call Sweave/knitr with –no-save and –no-restore (rather than –vanilla)
Default to calling pdflatex or xelatex directly (rather than using texi2dvi)
Don’t spell-check cite* or bibitem commands
Markdown
Create new documents using a basic template that documents R Markdown syntax
Eliminate table borders in Markdown CSS
Improved document title detection
Added documentation on R code blocks to Markdown quick reference
MathJax
Use a local version of MathJax for previews (enabling MathJax preview even when offline)
Use SVG for local MathJax previews on the Mac (but still publish as HTML/CSS)
Allow embedding multiple inline equations on a single line
Allow inline equation definitions to span across multiple lines
Only include HTML-CSS options in local preview mode
Link to the https version of the MathJax scripts in generated HTML file
Source Editing
Changed Comment/Uncomment shortcut to Ctrl+Shift+C
Fixed issue with clipboard shortcuts on Japanese keyboard layouts
Fixed inability to enter braces in international keyboard layouts on the Mac
Execute current function now works (fixed regression)
Miscellaneous
Developer ID code signing for Mac
Add libjpeg62 dependency for Ubuntu 12.04
Fix symbol lookup incompatibility with R-devel
Prevent console access by forked child processes
0.96.122 — May 14th, 2012
Sweave / knitr
Spell checking for Sweave and TeX documents.
Integrated PDF previewer that supports two-way synchronization (SyncTeX) between the editor and PDF view.
Support for weaving Rnw files using the knitr package (requires knitr version 0.5 or higher).
Parsing of TeX error logs to extract errors, warnings, and bad boxes and present them in a navigable list.
Chunk option auto-complete, chunk folding, jump to chunk, and iterative execution of chunks.
Compilation based on multiple input files (support for specifying a root TeX document) .
TeX formatting commands, block comment/uncomment, and various new compilation options.
Web Publishing
Editing and previewing R Markdown and R HTML files (like Sweave except for web pages).
Creation of easy to distribute standalone HTML files (with embedded images).
Support for including LaTeX and MathML equations in web pages using MathJax.
Source Editing
Find in files with regular expressions.
Code folding (expanding and collapsing regions of code).
Automatic comment reflowing (Cmd+Shift+/).
Smart editing of Roxygen comments.
Syntax highlighting for Markdown, HTML, Javascript, and CSS files.
New font customization options.
Miscellaneous
Fixed incompatibility with Winbind for PAM authentication.
Fixed editor cursor off by one line problem that occurred after rapid scrolling.
Updated to Qt 4.8: required for PDF viewer and to fix OS X Lion trackpad scrolling issue (however as a result 32-bit Mac systems and OS X 10.5 are no longer supported).