R Portable Files

RStudio v0.99.441 – May 26th, 2015

Data Viewer

• Support for viewing large data sets (removed 1k row limit)
• Data can be filtered, searched, and sorted
• Viewer updates to reflect changes in data

R Code Completion

• Completions provided automatically without an explicit gesture
• All objects visible from the current scope are now included in completions
• Completions in more contexts including S3 and S4 methods and dplyr pipelines
• Automatic insertion of closing parens when appropriate
• Inline help tooltip for signatures of completed functions
• Completion for statements spanning multiple lines
• Specialized autocompletions provided for library, data, vignette, ?
• For Shiny applications, autocompletions for ui.R + server.R pairs
• Completions for dimension names in [, [[ calls
• Completions from packages in library, require calls automatically inferred and supplied even when not loaded
• Completions for knitr options, e.g. in opts_chunk$get(), are now supplied
• Completions for dynamic symbols within .C, .Call, .Fortran, .External
• Completions for object names for ‘formula’ arguments, e.g. lm(|, data = mtcars)

R Code Diagnostics

• Syntax errors are highlighted and displayed in red (e.g. missing commas, unmatched brackets)
• Function calls are checked and validated with e.g. match.call()
• Warn if variable is used but no definition is available in scope
• Warn if variable is defined but never subsequently used
• Whitespace diagnostics to help code conform to http://adv-r.had.co.nz/Style.html

Source Editor

• Improvements in file/function navigation:
  • Fuzzy matching on search terms
  • Navigate to file posititions using file:line:col
  • Include parameters in function navigation menu
• Multiple cursors:
• Create a new cursor above / below the current cursor with CTRL + ALT + {up / down}
• Move the active cursor up / down with CTRL + SHIFT + ALT + {up / down}
• Create multiple cursors by pressing CTRL + ALT and clicking + dragging the mouse
• Improved Vim mode:
  • Various bug fixes
  • Visual block selection (CTRL + v)
  • Multiple-cursor aware
  • Macros (q)
  • Marks (m)
  • Quick find (/)
  • Support a subset of commands in :
  • Use :help for documentation on available commands
• Configurable snippets for fast insertion of common blocks of code
• Editor tabs in the source pane can now be rearranged
• Automatically save files prior to sourcing (controlled by option)
• Support for multiple cursors via Ctrl+Alt+Up/Down
• Alt+Enter to run code while retaining cursor position
• Ctrl+Shift+E to select within matching parens / braces
• Ctrl+Alt+Shift+E to expand selection to matching paren / brace
• Comment/uncomment respects indent level when appropriate
• New Reformat Code command for R scripts
• Shift+Enter now searches backwards in Find/Replace
• Find All option added in Find/Replace
• Ctrl+E now focuses the editor after finding from selection
• New option to control comment continuation on insertion of new lines
• Reflow text (comment) for markdown and plain text modes
• Updated to Ace (source editor component) v1.1.8
• Syntax highlighting for GraphViz and mermaid.js diagrams.
• Diagram previews using the DiagrammeR package (requires recent version from GitHub).
• Syntax highlighting modes for many new languages including Clojure, CoffeeScript, C#, Graphviz, Go, Groovy, Haskell, Java, Julia, Lisp, Lua, Matlab, Perl, Ruby, Rust, Scala, and Stan.
• Keyword and text based code completion for many languages including JavaScript, HTML, CSS, Python, and SQL.
• A wide variety of new editor themes (color schemes) are now available.
• Increase file size limit to 5MB (was previously 2MB)

C/C++ Development

• Code completion
• Code diagnostics
• F2 code navigation (go to definition)
• Go to file/function for C/C++
• Find usages for C++ symbols
• Intelligent auto-indentation
• Scope tree for quick intra-file navigation

Web Development (HTML/CSS/JavaScript)

• Code completion
• Inline diagnostics (JSHint) on syntax and other issues

Workspace

• Improved handling of objects containing or consisting of NULL externalptr

Debugging

• Allow ‘debugSource’ to be executed in user-specified environment
• Improved heuristics for locating the stack frame where errors originated
• Autocompletions now available when debugging
• Improved debug stepping through statements wrapped in tryCatch()
• Better call frame selection when using recover()
• Keyboard shortcuts for Step Into (Shift+F4) and Step Out (Shift+F6)

Packages

• Improvements to New Package:
  • Generate cleaner packages with no warnings
  • Respect various devtools options
• Support for roxygen2 ‘vignette’ roclet
• Insert Roxygen Skeleton command (Ctrl+Alt+Shift+R)
• Default to roxygenize for Build and Reload
• Improved checking for supported protocol with packrat package
• Escape backslashes in library names when loading packages
• Call to library after Build and Reload respects –library argument
• Validate that required versions are available for prompted installs
• Set R_BROWSER=false and R_PDFVIEWER=false (as CRAN does) for R CMD check

Plots

• Render plots using devicePixelRatio for retina and HDPI screens
• Preserve last exported size in Save Plot as PDF dialog

R Markdown

• Updated to pandoc 1.13.1
• Support for parameterized R Markdown reports
• Ensure that .RData from Rmd directory isn’t loaded during Knit
• Improved handling of lists in editor
• Syntax highlighting for comments in markdown documents
• Make publishing UI easier to discover
• Require save before previewing Rmd file
• Handle encoding correctly for Run All Chunks on Windows
• Support for deploying single interactive documents (not just directories)
• Updated internal PDF viewer (PDF.js) to version 1.0.1040

Miscellaneous

• Updated rendering engine to Qt 5.4 for improved performance
• Windows: updated to MSYS SSH 1000.18
• Windows: check HKCU in addition to HKLM when scanning for R versions
• Windows: Use Rtools 3.3 when running under R 3.2
• Bind Cmd+Shift+K shortcut to Compile PDF and Preview HTML
• When evaluating R strings ensure ‘try’ is called from base package
• Default to current working directory for New Project from existing directory
• Add Clear Recent Projects menu item to toolbar project menu
• Command to sync current working directory and Files pane to project directory
• Eliminated rstudio and manipulate packages (both now available on CRAN)
• Added global RStudio.Version function for getting basic version info
• Diagram previews using the DiagrammeR package (requires recent version from GitHub).
• Added Markers pane and sourceMarker API for externals tools (e.g. linters)
• Enable specification of Sweave driver in Rnw magic comment
• Re-map prev/next tab shortcuts to eliminate conflicts with window managers
• Run App command for single file Shiny applications
• Deprecated ‘source.with.encoding’ in favor of source(…, encoding = “…”)
• Make source code compatible with -std=c++11
• Allow specifying character encoding, row name source, and comment character when importing data
• Jump to the definition of a function by clicking it in the environment pane

Server

• Use systemd to manage server processes on platforms where it is the default
• Add server-set-umask option to control whether the server sets its umask to 022 at startup
• Improved installation by reducing dependencies and providing additional platform-specific builds (e.g. SUSE, RHEL5 vs. RHEL6/7)
• Server Pro: Support for SPDY protocol
• Server Pro: Custom header name for proxied authentication
• Server Pro: Option to eliminate “stay signed in” option for PAM authentication.
• Server Pro: Update to Nginx 1.8.0

Bug Fixes

• Prevent error dialog when getOption(“repos”) is an unnamed vector
• Fix for regex Find/Replace lockup with empty strings
• Fix for console text unselectable in Firefox
• Find in Files now always activates result pane
• Correctly reflow comments in Rmd C++ code chunks
• Don’t warn when saving C/C++ file with .hpp extension on OS X
• Ensure that rmarkdown documents render within input directory
• Eliminate race condition that could cause crash when polling child processes
• Correct handling for breakpoints in files with non-ascii filenames on Windows
• Next/previous word behavior in Rmd is now consistent with behavior in R scripts
• Don’t parse YAML front matter if not preceded by whitespace
• Eliminate some UI problems on Windows HDPI systems
• Prevent null reference exception in packages pane with active filter + packrat
• Allow JSON as text file type in the editor
• Only hide object files (e.g. *.o) in Files pane when in package src directory
• Ensure cursor is always visible after source navigation
• Server: Ensure that LANG is populated from system default when not inherited
• Server: Provide required domain socket permissions during startup
• IE 11: Strip unprintable unicode characters in Rmd front matter dates
• Only filter object file listings in ‘src’ directory
• Fix crash in R tokenizer when source files have binary 0xFFF
• Correctly navigate to package inst/include directory for template errors
• Fix visual debugging issues when code isn’t saved in system encoding
• Fix compilation errors that occurred as a result of GCC concept checks
• Persist last size setting in Save Plot as PDF dialog
• R 3.2: Specify .Platform$pkgType when installing binary package archives

Previous Release Notes

RStudio v0.98b — March 6th, 2015

R Markdown

• Next generation of R Markdown based on pandoc
  • Create HTML, PDF, and MS Word documents as well as Beamer and ioslides presentations
  • New markdown syntax including expanded support for tables, definition lists, and bibliographies
  • A responsive (multi-device friendly) and themeable HTML template based on Bootstrap
  • Include raw LaTeX within markdown for advanced customization of PDF output
  • Use Shiny with R Markdown to create interactive documents
  • Compile HTML, PDF, or MS Word notebooks from R scripts
  • See the rmarkdown website package for more details
• Option to preview R Markdown HTML in Viewer Pane
• Enhancements to HTML previewing for presentation authoring
• Previewing for MS Word and PDF output
• Added Run Previous Chunks command (Ctrl+Alt+P)
• Keyboard shortcut for Knit is now Ctrl+Shift+K

Debugging Tools

• Support for R 3.1 advanced stepping commands (step into and finish loop)
• Allow viewing and stepping through functions that don’t have source-refs (via deparse)
• Improved support for debugging outside of functions including stepping inside loops

Packages

• Integrated support for packrat
• New devtools mode for package development (uses devtools for check, document, test, etc.)
• Keyboard shortcuts for Test (Ctrl+Shift+T) and Document (Ctrl+Shift+D)
• Package listing is now grouped by library
• Pick default save location for files based on type (e.g. R, src, man, etc.)
• Don’t write HTML output when previewing package Rmd or md documentation

Shiny Development

• Run and debug Shiny applications directly within the IDE
• Launch applications and reload changes on the fly using Run/Reload command (Ctrl+Enter)
• Automatically close Shiny application windows on interrupt/exit
• Integrated support for publishing applications to shinyapps.io

Source Editor

• Keyboard shortcut (Ctrl+Shift+M) for magrittr pipe operator (%>%)
• Find from selection keyboard shortcut (Mac: Cmd+E, Windows/Linux: Ctrl+F3)
• Execute Current Section command (Mac: Cmd+Option+T, Windows/Linux: Ctrl+Alt+T)
• Syntax highlighting modes for XML, YAML, SQL, Python, and shell scripts.
• Command to execute Python and shell scripts (Ctrl+Shift+Enter)
• New Extract Variable code refactoring (thanks to Dirk Schumacher)
• Miscellaneous improvements to R and C++ syntax highlighting (thanks to Kevin Ushley)
• Execute R code from the Source Viewer using Ctrl+Enter
• Option to automatically strip whitespace at the end of lines
• Option to ensure that R source files always end with newline
• Always use tabs for indentation in Makefile and Makevars
• Enable save command immediately for new documents

RStudio Server

• Support for Internet Explorer 10 and 11
• Improved satellite window reactivation (e.g. version control, preview, etc.)
• Improved location and refresh header re-writing for localhost proxy
• r-cran-repos option now works consistently and overrides user CRAN option
• Fix completion window dismissal issue in Ubuntu Chrome
• Compatibility with RHEL/CentOS 7
• Pro: Load balancing for increased capacity and high availability
• Pro: Allocate cores and set scheduler priority and resource limits per user or group
• Pro: Run a different version of R per user or group
• Pro: Optionally forward credentials to PAM sessions (e.g. for issuing Kerberos tickets)
• Pro: New config options to disable access to various features
• Pro: Migrate Google Accounts support to OAuth 2.0 interface
• Pro: Login as user link now works correctly when running behind proxies
• Pro: Updated embedded nginx to 1.6.2
• Pro: Prevent use of SSLv3 protocol
• Pro: Compatibility with SLES 11 (SP1, SP2, and SP3)

Miscellaneous

• Viewer: History, Zoom, and Export commands for static HTML widgets
• Publish to RPubs from Plots and Viewer panes
• Keyboard shortcut quick reference (Mac: Option+Shift+K, Windows/Linux: Alt+Shift+K)
• Mac: Overlay project name on RStudio Dock icon when multiple projects are open
• Mac: Added New Window command to RStudio Dock icon
• Mac: Show help PDFs in Preview rather than in an internal window
• Mac: Correct handling of file downloads from help pane
• Mac: Direct /usr/bin/gnutar to /usr/bin/tar if necessary on Mavericks
• Mac: Updated code signing method for OS X 10.10 Yosemite
• Mac: Remove duplicated PATH entries on OS X 10.10 Yosemite
• Mac: Eliminate checkbox animation in dialog boxes on OS X 10.10 Yosemite
• Windows: Automatically adapt typefaces for for high-dpi displays
• Linux: Improved Ubuntu font rendering (spacing for monospace, font face for proportional)
• Linux: Don’t link to R BLAS and LAPACK on RedHat/Fedora (R 3.1 compatibility)
• Git/SVN menu on global toolbar with commands for active file and project
• Added history, zoom, and export for static HTML widgets in Viewer pane
• View/Blame on GitHub commands for GitHub projects (file or selection driven)
• Display current Git branch in main window title
• Added stringsAsFactors and string.na options to Import Dataset
• Restore previously entered input to console after executing commands
• Increase limit on active plots from 30 to 100
• Added documentation on which version rstudio package functions were introduced
• Updated GWT library to version 2.6.0
• Updated pdf.js for improved performance and fidelity of PDF preview
• R 3.2: Use new API for accessing tools::httpdPort
• R 3.2: Support for Rtools 3.2

Bug Fixes

• Disable spell checking and auto-correction in text entry fields
• Fix debugger line highlighting for functions invoked with :: at the console
• Fix for package breakpoints set after library() sometimes missing srcrefs
• Fix cursor positioning on OS X when CJK characters are present
• Handle Windows junctions (soft links) in the Files Pane
• Correctly scale satellite windows in Windows high DPI mode
• Prevent slowdown in scrolling and editing for large Rmd and Sweave files
• Preserve working directory when restarting R while not in a project
• Fix for intermittent R Pubs upload failures
• Environment: prevent view of large data frames from collapsing on update
• Packages: Don’t check dependency status when repos = NULL
• Packages: Respect repository option already set from .Rprofile
• Packages: Don’t use –with-keep.source for R < 2.14
• Plots: fix issues with copy plot to clipboard on OS X
• Plots: prevent spurious warnings when rendering plots from already closed device
• Help: handle internal redirects from R help correctly on Windows & Linux
• Server: Fix issue which caused extra bytes at end of some file uploads
• Server: Prevent freeze when concurrently reading both ends of proxied websocket
• Server: Enable loading of IDE within an iframe in Firefox
• Server: Don’t remove /usr/[s]bin soft links during upgrades
• Server: Fix python egg cache issue with metrics script
• Server: Ensure helper processes run as server user and terminate with parent
• Server: Fix completion window dismissal issue in Ubuntu Chrome
• Mac: Correctly detect OS X command line tools on OS X Yosemite
• Mac: Prevent extra line from being copied in Safari 8
• Prevent loading of videos in HTML Preview (caused crashes in some configurations)
• Respect ‘whole word’ option in source editor replace operations
• Eliminate compiler errors when building on Ubuntu 14.04
• Correctly recognize application/xml as a text file type in the source editor
• Prevent crash which occurred after opening a QtWebKit web inspector
• Prevent error messages during session termination
• Fix for Windows crash when ESC key pressed at startup
• Fix for installing packages when repos option is an unnamed vector

RStudio v0.98 — April 25th, 2014

Debugging Tools

• Set breakpoints within the source editor, both inside and outside functions
• View object values and call stack during debugging
• Step through code line by line
• Error inspector for quick access to tracebacks and debugger after runtime errors
• Integration with traditional R debugging tools, such as browser() and debug()
• For more information see Debugging with RStudio

Environment Pane

• Browse any environment on the search path
• Filtering by name/value
• Expand lists, data frames, and S4 objects inline
• Use str() for displaying object values
• Optional grid view sortable by various attributes
• Many other small correctness and robustness enhancements

R Presentations

• Easy authoring of HTML5 presentations based on R Markdown
• Extensive support for authoring and previewing inside the IDE
• Many options for customizing layout and appearance
• Easily published as either a standalone HTML file or to RPubs
• For more information see Authoring R Presentations

Source Editor

• Use Rcpp template by default for new C++ files
• Add code folding for markdown headings/sections
• Option to not restore source documents when re-opening projects
• Preserve open source documents when underlying project directory is moved
• Ability to execute roxygen example code via Cmd/Ctrl+Enter
• Change fold/unfold all keyboard shortcut to use ‘O’ rather than ‘0’
• Automatically insert a newline at the end of R scripts when executing the last line in the file
• Don’t advance cursor after execute code if there is a selection
• Detect and provide notification when editing readonly files (Linux and OSX only)
• TeX syntax highlighting for .dtx and .ins files
• Allow opening application/postscript files in the editor
• Scroll to cursor when reactivating the source pane via the keyboard shortcut
• Improve clarity of error message for moved or deleted source files
• R code automatic indentation now adapts to alternate indentations on subsequent lines
• Execute multi-line statements even when line delimiter is plain \r

Console

• Control+Enter can now execute commands in the console
• Allow Esc key to interrupt the console even if used when focus is in the source editor
• Scroll to cursor when reactivating the console via the keyboard shortcut

Packages

• User option to disable the Packages pane (useful if there are hundreds of packages installed)
• Environment variable (RSTUDIO_DISABLE_PACKAGES) that can be used to entirely disable the Packages pane.
• Build packages using –with-keep-source by default
• Correctly set LC_COLLATE for roxygenize (now works the same as devtools)
• Automatically focus console after devtools Load All command

Sweave/knitr

• knitr 1.2 is now the minimum required version
• Higher fidelity parsing of knitr error messages
• MathJax compatability mode for IE 10
• Correctly base64 encode images with special characters in their paths
• Read the Sweave template from the filesystem (resources/templates/sweave.Rnw)
• Update Windows PDF viewer to Sumatra PDF v2.4

Viewer Pane

• New Viewer pane for viewing local web content within RStudio
• Works with files written to the R session temporary directory or arbitrary localhost URLs
• For more information see Extending RStudio with the Viewer Pane

Miscellaneous

• Replaced Qt with native Cocoa implementation for Mac desktop to improve performance
• RStudio can now build on OS X Mavericks with the latest version of XCode
• Support the AppNap API on OS X Mavericks to prevent CPU throttling when R is busy
• Use domain sockets (Linux/OS X) and named pipes (Windows) for R session communication rather than TCP/IP
• Allow R help http server to handle custom URLs directly
• Significantly more robust detection of user home paths on Windows
• Detect R on OS X even if /usr/bin/R has been deleted
• Add option to create projects in a new window
• Abilty to create Shiny applications directly from the New Project dialog
• Display row.names in data viewer
• Compatiblity with Rtools 3.1 (R-devel)
• Added previewRd function to RStudio package
• Keyboard shortcut (Ctrl+Shift+F10) for restarting R session
• Don’t add commands to history when Browser> context is active
• Limit size of history database file to approximately 1 MB
• Move History button to main toolbar for Git VCS
• Always use code-search dialog for Go To Function
• Treat objects of type data.table and cast_df as data in the environment pane
• New RSTUDIO_HTTP_REFERER environment variable for detecting the full client URL in server mode
• User option to disable automatic checking for updates to RStudio
• Environment variable (RSTUDIO_DISABLE_CHECK_FOR_UPDATES) that can be used to disable automatic checking for updates to RStudio
• Improved error message for failure to start due to version mismatch between libR and loaded packages
• Disable spell-checking in VCS commit message widget
• Add .travis.yml to the whitelist of hidden files displayed in the Files pane
• Fix inability to change default working directory on Ubuntu 13.10
• Block iframes with remote URLs rather than showing them in a new window

RStudio Server

• Localhost URLs (e.g. for Shiny, Rook, or OpenCPU applications) are now automatically proxied back to remote clients on the main server port.
• Add upstart script for RedHat/CentOS 6
• No longer specify unlimited core size in upstart script
• More permissive AA profile during startup (ability to auto-detect R in more locations)
• Enhance fidelity of callstacks for client-side errors
• Respect X-Forwarded-Proto header required for redirects when running behind SSL proxies
• Deprecated rsesssion ulimit options: rsession-memory-limit-mb, rsession-stack-limit-mb, and rsession-process-limit
• Changed Chrome close document shortcut to Cmd+Alt+W

Bug Fixes

• Avoid evaluating promises for objects in the workspace
• Recognize more object types as datasets (any object of class data.frame)
• Fix for browseVignettes function not working in server mode
• Prevent spurious console warnings when long vectors appear in the workspace
• Recover gracefully from plot export default directory being removed during a session
• Track multiple changes within a session to default export plot directory
• Ignore YAML front-matter that contains multi-line lists in R Markdown documents
• Prevent mis-detection of embedded R chunks in C++ files (space required before R on first line)
• Don’t serve http content (javascript:false) when running behind an https proxy
• Fix for cursor positioning bug when using Safari 7.0
• Clear busy indicator after cancelling update packages
• Serve woff fonts with correct mime type (avoids warnings in javascript console)
• Ensure that the user’s own group is checked when verifying that a user belongs to a group
• Fix for console interrupt button sometimes remaining active even when session is idle
• Enable copying of prompt text from within the console
• Navigate to help topics based on mouse selection (formerly requried keyboard selection)
• Ensure that Git revert requests with no valid files don’t revert all unstaged changes
• Prevent RPM upgrade from removing rstudio-server script from /usr/sbin
• Fix for some text file types being incorrectly detected as binary on RedHat 5
• Detect R location within cmake configuration even when warnings or other spurious output are generated during R startup.
• Eliminate warnings which sometimes occurred when initializing default user package library
• Eliminate warnings which sometimes occurred when resizing graphics devices
• R 3.02 plots now correctly restore during session resume and build and reload
• R 3.02 plots that occur in rapid sequence without rendering in the UI now work correctly
• Prevent “parameter type mismatch” error when using manipulate
• Prevent error messages which could occur when restarting R from an already suspended session