RStudio v1.0.44

Highlights

• Authoring tools for R Notebooks.
• Integrated support for the sparklyr package (R interface to Spark).
• Enhanced data import tools based on the readr, readxl and haven packages.
• Performance profiling via integration with the profvis package.
• Authoring tools for R Markdown websites and the bookdown package.
• Many other miscellaneous enhancements and bug fixes.

R Notebooks

• Authoring tools for R Notebooks
• Inline display for text, latex, tabular data, graphics, and htmlwidgets in source editor
• All code and output saved within a single notebook HTML file (.nb.html)
• Multiple language engines including Python, Bash, SQL, Rcpp, and Stan
• Tools for running various combinations of chunks (current, next, previous, remaining)

Data Import

• Import dataset from text via readr
• Import dataset from Excel via readxl
• Import dataset from SAS, SPSS, and Stata via haven
• Preview data while importing datasets
• Explicitly set column types while importing datasets
• Preview and copy code while importing datasets

Profiler

• Profiling features based on the profvis package
• Visualize profiling results within the IDE
• Profile menu enables easy stop/start of profiling or profiling of selected lines.
• Save and load of previous profiling sessions

RStudio Connect

• Publish reports, applications, and plots to RStudio Connect
• One-click deployment of Shiny applications
• Publish and schedule periodic execution of R Markdown reports
• Set which users and/or groups have permission to view content

Spark

• Integrated support for the sparklyr package
• Create and manage connections to Spark clusters and local Spark instances
• Browse tables and columns of Spark DataFrames
• Preview the first 1,000 rows of Spark DataFrames

Source Editor

• Ctrl+Enter now executes current R statement when selection is empty
• Use Shift+Click to open web links in source editor (Command+Click on OS X)
• Enabled auto-pairing of backticks
  (</div><div>)
  in R documents
• Fixed regression re: folding of unnamed sections, e.g. ‘#####’
• Implemented folding for sub-sections in R documents
• Added option for display of ‘end’ fold markers
• Display function tooltip on mouse over of function name
• Added option to display function signature tooltip on cursor idle
• Autocompletion allows mismatch between ‘.’, ‘_’ in token
• Improvements to refactoring utility ‘Rename in Scope’
• Expand selection command learns how to expand to current statement
• Added (as unbound command) Sublime Text style ‘Quick Add Next’
• The various ‘yank’ commands are now rebindable (Ctrl + Y, Ctrl + K, Ctrl + U)
• Insert assignment operator (Alt+-, ‘<-’) is now rebindable
• Insert pipe operator (Cmd+Shift+M, ‘%>%’) is now rebindable
• Enable implementors of .DollarNames to provide custom types

R Markdown

• Inline preview for MathJax equations
• Show custom formats in Knit menu
• Show options menu and Knit w/ Params for custom formats
• Use “Run Document” for custom formats with runtime: shiny
• Add option to suppress Knit preview entirely
• Add R Markdown pane to global options dialog
• Build tab and preview support for R Markdown websites
• Various enhancements for authoring with the bookdown package
• Add command to clear knitr cache
• Update pandoc to 1.17.2
• Update MathJax to 2.6.1

C/C++

• Provide autocompletion of header paths
• Syntax highlighting of raw, wide, unicode string literals (e.g R“hello”)

Server

• Added session-default-working-dir and session-default-new-project-dir options
• Added sudo, lsb-release, and libssl1.0.0 packages to Debian dependencies
• Server Pro: Auditing for authentication and session start/suspend/exit events
• Server Pro: Ability to configure per-user and per-group session timeouts
• Server Pro: Ability to include custom HTML within server sign-in page
• Server Pro: Update to Nginx 1.10.1

Miscellaneous

• Improved performance of ‘Find in Files’ tool
• Attempting to cut or copy with an empty selection no longer clears the clipboard
• Files pane now has a fixed header row
• Attempting to check out remote git branch now checks out local copy tracking remote
• Published plots are larger and responsive to changes in browser size
• Implement gt/gT bindings in Vim mode to switch to next/previous tab
• Always provide file completions for top-level current directory
• Prevent wrapping of text in Files pane display
• Indicate when object details in environment pane have been truncated
• Improved keyboard navigation in browser file widgets
• Added option to limit length of lines in console history
• Improved performance when many lines of code sent to console
• ‘save()’ warnings no longer emitted when saving session state
• Update C++ unit testing library (catch) to v1.3.3 (fix gcc >=5 compilation errors)
• Change default max.print to 1000 (was 10000)

Bug Fixes

• Fixed a hang on Windows + 64bit R when errors occurred while resizing Plots pane
• Fixed an issue where a user-defined git executable was sometimes not respected on OS X
• Data Viewer: fixed a crash that could occur when calling ‘View()’ on matrix
• R Markdown: hide chunk toolbar when chunk is hidden by folded Markdown section
• R Markdown: fixed highlighting with multiple Markdown links on one line
• R Markdown: improved highlighting for ‘’, ‘_’ text
• R Markdown: fixed issue where sections did not display in document outline when following empty bulleted list
• Reformat code: fixed an issue where
  ‘**’
  was not recognized as a single token
• SVN: avoid recursive revert when reverting changes to modified directory properties
• Autocompletion: fixed errors printed in console when ‘devtools::load_all()’ active
• Autocompletion: fixed errors printed in console for functions ‘force’, ‘identity’
• Autocompletion: ensure .DollarNames method respected when discovered
• Autocompletion: avoid errors when retrieving completions in debugger
• Viewer: Fixed issue in ‘Export -> Copy to Clipboard’ when IDE not at default zoom level
• Fix hang caused by large, heavily-nested S4 objects
• Fix for ‘httpdPort’ detection error sometimes seen with R built from source
• Fixed a hang on Windows with 64-bit R when attempting to load a corrupted workspace
• Fixed an issue where non-interactive addins could not be executed in popped out windows
• Diagnostics: fix false positive errors with ‘{’ following function calls
• Diagnostics: engine better understands ‘data()’ calls (fixes ‘no symbol in scope’ false positive)
• Improved performance of document tokenization (fix laggy typing)
• Sweave: Fix block commenting of chunks
• Sweave: Fixed an issue where TOC headings weren’t displayed in document outline
• Fix highlighting of escaped ‘$’ in inline Mathjax expressions
• Fix editor preview vanishing on zoom level change
• Emacs mode: C-f now moves the cursor forward instead of opening Find dialog
• Emacs mode: C-r now performs a reverse isearch on Windows (rather than running code)
• Ensure that modal dialogs capture all input even in the presence of multiple modals
• Filter out “00LOCK” directories from package name completions
• Provide completions for ‘lazydata’ objects within namespaces
• Prevent warnings from leaking when accessing refClass elements for completions
• Fix inablity to get active frame for completions when package lfe was loaded
• Prevent completion popup from appearing offscreen for very long completion names
• Don’t pass encoding=“” to knitr for .Rpres files not in a project
• Avoid duplicating keydown handlers in image list boxes (e.g. New R Markdown template)
• Ensure editor completion popups are hidden when editor loses focus
• Cleanup R auto-indentation for plain () or []
  (i.e., when not in a function call)
• Suppress httpd warnings on invalid help queries
• Correct syntax highlighting for operator « in C++ mode
• Fix highlighting in R mode for numbers with only a trailing decimal (e.g. ‘1.’)
• Ensure that SparkR DataFrames appear as data in environment pane
• Avoid firing active bindings in completion system
• Fix copy, cut, paste handling when Emacs mode enabled
• Avoid perturbing RNG state when invoking View()
• Fix unlinked directories in Files pane when other users’ folders are browseable
• Fixed an issue where nested folds were not preserved correctly on save / load
• Prevent lines terminated by from entering editor (cause of many subtle problems)
• Fix error message when invoking View() on an object with no columns
• Fix blank screen on log-in when PAM username capitalization doesn’t match system
• Prompt to save untitled (never saved) documents when closing source windows
• Don’t depend on number of call frames when detecting install.packages call
• Fix failure to install packages with long install.packages commands after restart
• Server Pro: Fix issue causing sporadic session launch failures when using PAM sessions