MATLAB R2023a

What's new in this version:

Environment:
- MATLAB Install: Reduce footprint using default installation without local documentation
- Editor: Interactively increment numeric values within section and run section after every change
- Live Editor Controls: Add file browser to select file interactively in live script
- Live Editor Controls: Align controls within a section when code is hidden
- Desktop Layout in MATLAB Online: Access desktop tools and change the desktop layout using sidebars
- Code Issues Tool in MATLAB Online: Check code for errors and warnings using Code Issues tool
- Find Files Tool in MATLAB Online: Search for files with improved Find Files tool
- Editor in MATLAB Online: Edit read-only files
- Search in MATLAB Online: Access videos using Search box
- System Command Functions: Set and get multiple variables using operating system commands
- loadenv Function: Load environment variables from .env and plain text files
- Comparison Tool: Save text comparison results as PDF or DOCX reports programmatically and interactively
- Toolbox Packaging: Specify packaging options when creating custom toolbox programmatically
- Functionality being removed or changed

Language and Programming:
- Code Analyzer: Enable custom checks and configure existing checks
- fix Function: Fix code issues from the command line
- Code Analyzer App: Apply fixes to code issues interactively
- dictionary Object: Access and assign dictionary cell values with curly braces
- Output Argument Validation: Debug within output argument blocks
- Functionality being removed or changed

Data Analysis:
- pivot Function: Summarize tabular data using pivot table
- table and timetable Data Types: Perform calculations directly on tables and timetables without extracting their data
- Timetable Events: Find and label events in timetables using attached event tables
- combinations Function: Generate all element combinations of arrays
- fillmissing2 Function: Fill missing entries in two-dimensional data
- fillmissing Function: Use values from nearest neighbors to fill missing data
- Descriptive Statistics and Arithmetic: Omit or include missing data of multiple data types
- Find and Remove Trends Live Editor Task: Interactively find and remove periodic and polynomial trends
- Data Cleaner App: Save session as MAT-file and reload session
- head and tail Functions: Get top or bottom rows of array
- groupsummary Function: Compute number of unique elements
- movevars Function: Move table variables after last variable without After name-value argument
- rowfun and varfun Functions: OutputFormat name-value argument can take "auto" as value
- day Function: Return ISO day of week
- week Function: Return ISO week of year or week of month
- Variables Editor: Edit categories of categorical table variable in MATLAB Online

Data Import and Export:
- Import Data Live Editor Task: Import data in live scripts
- audiowrite Function: Write MP3 audio files
- imfinfo Function: Get information about XMP metadata embedded in JPEG files
- Parallel Processing: Use readtable in thread-based environments
- Scientific File Format Libraries: CDF library upgraded to version 3.8.1
- Scientific File Format Libraries: CFITSIO library upgraded to version 4.1.0
- Functionality being removed or changed

Mathematics:
- MATLAB Support Package for Quantum Computing: Build, simulate, and run quantum algorithms
- pageeig Function: Perform eigenvalue decomposition on pages of N-D arrays
- randi Function: Create random logical array
- Functionality being removed or changed

Graphics:
- xregion and yregion Functions: Highlight horizontal or vertical regions of plots
- sky Function: Apply monochromatic colormap to charts
- tiledlayout Function: Create horizontal or vertical layouts
- animatedline Function: Create animated lines using numeric, datetime, or duration data
- Grid Lines: Customize grid line thickness
- Axes Labels: Rotate x- and y-axes labels without overlapping the axes
- Plotting Series of Lines: Control cycling order of line styles
- Plotting Series of Lines: Control whether the data range of a line affects automatic axes limits
- fontsize and fontname Functions: Optionally specify the object containing the text
- DatetimeRuler Object: Set or get the reference date for plotting datetime values
- Image Display Preferences: Access and update imshow preferences in MATLAB Online
- Functionality being removed or changed

App Building:
- addStyle Function: Add styles to items in list box or drop-down UI component
- uistack Function: Change stacking order of UI components in UI figure
- uipanel and uibuttongroup Functions: Specify container border color
- uihtml Function: Send events between MATLAB and HTML
- uiimage Function: Specify image alt text for use with screen readers
- appmigration.migrateGUIDEApp Function: Programmatically migrate existing GUIDE apps to App Designer
- App Designer: View progress when loading an app
- App Designer: Add label to unlabeled UI component
- App Designer: Replace assigned callback with new callback
- App Testing Framework: Test context menus within labels
- Axes Interactions: Customize behavior of interactions with axes view
- Plots in Apps: Enable data cursor mode
- Plots in Apps: Specify axes for interaction mode
- Functionality being removed or changed

Performance:
- Language and Programming: Improved performance when calling functions and methods
- Function Handles: Improved performance when invoking handles to named functions
- varargin Argument: Improved performance when specifying zero or more inputs
- timetable Data Type Indexing: Improved performance when subscripting with times or with withtol subscript
- Complex Matrices: Improved performance when using colon indexing to copy complex matrices
- mean, std, var, and rmse Functions: Improved performance when computing along default vector dimension
- Moving Statistics Functions: Improved performance when computing over matrix with sample points
- histcounts Function: Improved performance with small numeric and logical input data
- fzero function: Improved performance
- Plots in Apps: Improved performance when rerendering axes
- Plots in Apps: Improved performance when creating axes
- Plots in Apps: Improved responsiveness of ruler-pan interaction
- Live Editor: Improved performance when filtering numeric table variables
- Property Inspector: Improved performance when opening for the first time
- Property Inspector: Improved performance when switching between objects
- Variables Editor: Improved performance of cell editing in MATLAB Online
- Variables Editor: Improved speed of data display when scrolling in MATLAB Online
- App Building: Improved app startup performance
- App Building: Improved startup performance for apps with multiple tabs
- App Building: Improved performance when resizing some apps

Software Development Tools:
- Build Automation: Improve build speed and efficiency with incremental builds
- Build Automation: Create and run tasks that accept arguments
- Dependency Analyzer: Analyze files and folders with or without a project
- Project Preferences: Preserve empty project folders in Git repositories
- Project API: Determine if file is under project root folder
- Project API: Export subset of project files to archive
- Project Sharing: Include only specific files in project archive using export profile
- Comparison Tool: Automate comparison report generation for continuous integration (CI) workflows
- Source Control in MATLAB Online: Save uncommitted changes by creating a Git stash
- Source Control in MATLAB Online: Manage Git remote repositories locally using Branch Manager
- Source Control in MATLAB Online: Detect and extract conflict markers from text and binary files
- Comparison Tool in MATLAB Online: Compare project definition files
- Dependency Analyzer in MATLAB Online: Investigate circular dependencies using the Project Hierarchy view
- Unit Testing Framework: Run tests interactively by using Test Browser
- Unit Testing Framework: Programmatically access code coverage results
- Unit Testing Framework: Temporarily set environment variables
- Unit Testing Framework: Test for handle validity
- Unit Testing Framework: Write text to files in thread-based environment
- Unit Testing Framework: Use renamed classes in testing and other automated workflows
- App Testing Framework: Test context menus within labels
- Performance Testing Framework: Use fewer samples to meet the objective margin of error
- Functionality being removed or changed

External Language Interfaces:
- Publish C++ Interface: Publish interface for C++ library in Live Editor
- Interface to C++ Library: Execute C++ library functions out-of-process
- Interface to C++ Library: Support for default arguments
- Interface to C++ Library: Support for comments in function templates
- Publish C++ Interface: Put libraries on run-time path
- Publish C++ Interface: Resolve multiple redefinition and unresolved external symbol errors
- Publish C++ Interface: Information to debug C++ library functions
- Publish C++ Interface: Support for MATLAB operators for C++ methods
- Java Interface: Support for Java 11 JDK and JRE
- Java Interface: jenv and matlab_jenv provide environment information
- Python Interface: Convert between MATLAB datetime and Python datetime, NumPy datetime64 types
- Python Interface: Convert between MATLAB duration and Python timedelta, NumPy timedelta64 types
- Python Objects: Use Python objects as keys in dictionary
- .NET Interface: Convert between MATLAB dictionary and .NET System.Collections.Generic.Dictionary objects
- .NET Objects: Use .NET objects as keys in dictionary
- .NET Engine: Support for MATLAB structs
- Perl 5.36.0: MATLAB support on Windows
- Compiler support changed for building C and C++ interfaces, MEX files, and standalone MATLAB engine and MAT-file applications
- Functionality being removed or changed

Hardware Support:
- Support for MJPEG format in USB Webcams on Windows
- Support for 32-bit Debian Bullseye on Raspberry Pi
- Support for Raspberry Pi Zero 2 W and Raspberry Pi Compute Module 4