Environment

NEW Editor: Use new capabilities for code refactoring and block editing, and improved code suggestions, code completion, and debugging (R2021b)

NEW Live Editor Controls: Set default values for sliders, drop-down lists, check boxes, and edit fields (R2021b)

• Create dynamic controls in live scripts by linking variables to drop-down items and slider values (R2021a)

NEW Live Editor Animations: Use interactive interface to control animations (R2021a) and export them to movies or animated GIFs (R2021b)

Live Editor Fonts: Change the name, style, size, and color of fonts programmatically using settings (R2021a)

Live Editor Bookmarks: Navigate quickly between lines (R2021a)

Live Editor on iOS: Create, edit, and run live scripts in MATLAB Mobile on iPhones and iPads (R2020b)

Live Editor Tasks: Explore parameters, see results, and automatically generate code (R2020a, R2019b)

App Building

App Designer lets you create professional apps without having to be a professional software developer.

NEW Run Code in the Background: Use parallel language to create more responsive apps (R2021b)

NEW addStyle Function: Add styles to nodes and levels in a tree UI component (R2021b)

NEW App Designer: Use tools and shortcuts from Live Editor in Code View (R2021b)

• Zoom and pan in the Design View canvas (R2021a)

uihyperlink Function: Add and configure clickable links in apps and on the App Designer canvas (R2021a)

uitree Function: Add and configure check box trees in apps and on the App Designer canvas (R2021a)

scroll Function: Scroll to a location within a table UI component programmatically (R2021a)

Icon Property: Specify custom icons for UI figure windows and toolbar push and toggle tools (R2020b)

Comparison Tool: Use diff and merge App Designer apps (R2020b)

Custom UI Components: Create your own class to make composite UI components that encapsulate algorithms, as well as graphics and UI objects (R2020b)

exportapp and getframe Functions: Capture and save an image of an app (R2020b)

Data Import and Analysis

Access, organize, clean, and analyze data from a variety of sources.

NEW File I/O: Read and write XML, HTML, and Microsoft Word files directly into table, timetable and structs (R2021b, R2021a, R2020b)

NEW sftp Function: Connect and read data securely from SFTP servers (R2021b)

NEW  Live Editor Tasks: Interactively summarize, transform, and filter groups of data (Compute by Group); center and scale data (Normalize) (R2021b)

• Manipulate tables and timetables with tasks that automatically generate MATLAB code (R2020a)
• Interactively preprocess data (R2019b)

NEW trenddecomp Function: Find long-term and seasonal trends in data (R2021b)

NEW timeseries2timetable Function: Convert timeseries objects to timetables (R2021b)

NEW HDF5: Support for HDF5 version 1.10, including Single-Writer/Multiple-Reader (SWMR), Virtual Dataset (VDS), and Metadata Cache Fine-Tuning (R2021b)

NEW NetCDF: Support for NetCDF version 4.7.4, including reading and writing NC_STRING data (R2021b)

MATLAB API for Advanced XML Processing: Create, transform, and query XML files using MATLAB API for XML Processing (R2021a)

Data Visualization

Visualize your data with new plotting functions and customization capabilities.

NEW Create Plot Live Editor Task: Add visualizations to generated plots (R2021b)

• Create plots interactively and generate code (R2021a)

NEW Plotting Table Data: Create scatter plots, bubble charts, and swarm charts by passing tables directly to plotting functions (R2021b)

NEW exportgraphics Function: Capture and append graphics to existing PDFs (R2021b)

bubblecloud Function: Visualize part-to-whole relationships (R2021a)

bubblechart, bubblechart3, and polarbubblechart Functions: Create bubble charts in 2D, 3D, and polar coordinates (R2020b)

swarmchart Function: Visualize distributions of discrete data (R2020b)

exportgraphics and copygraphics Functions: Save and copy graphics with improved support for publishing workflows (R2020a)

tiledlayout Function: Position, nest, and change the grid size of layouts (R2020a)

NEW Datastore Performance: Specify FileSet object in datastores for increased performance (R2021b)

Datastores: Read all data from a datastore using parallel processing (R2021a); combine and transform datastores (R2019a)

Datastore Write: Write large collections of data in datastores out to disk for data engineering and file-based workflows (R2020a)

tall Arrays: Operate on tall arrays with more functions, including:

• groupfilter and matches (2020a)
• setdiff, xcorr, and outerjoin (2019b)
• groupcounts, intersect, and svd (2019a)

Custom Datastore: Read from Hadoop-based databases using the custom datastore framework (R2019a)

FileDatastore Object: Read large custom files by importing the file in smaller portions (R2019a)

NEW backgroundPool: Execute a function asynchronously without blocking the command prompt from MATLAB (R2021b)    

NEW pyrun and pyrunfile Functions: Run Python commands and scripts from MATLAB (R2021b)

NEW Modular Indexing: Customize class indexing operations individually using new superclasses (R2021b)

name=value syntax: Use name=value syntax for any function using name-value arguments (R2021a)

Class Diagram Viewer: Create graphical class diagrams to explore class details and share designs (R2021a)

pattern Object: Create patterns for text searching in strings (R2020b)

Function Input Argument Validation: Declare function input arguments to simplify input error checking (R2020b, R2019b)

NEW table Indexing: Improved performance when assigning elements by subscripting with curly braces (R2021b)

NEW qrinsert and qrdelete Functions: Improved performance modifying QR factorizations (R2021b)

NEW Plots in Apps: Improved performance for creating plots in uifigure (R2021b)

Sparse Matrix Multiplication: Improved performance multiplying large sparse matrices (R2021a)

Sparse Linear Systems: Improved performance solving sparse linear systems A*X = B with multicolumn B (R2021a)

spdiags Function: Improved performance constructing sparse banded matrices (R2020b)

uitree Function: Improved performance when creating many nodes in a tree (R2020b)

Profiler: Investigate and improve the execution performance of your code visually using flame graphs (R2020a)

Live Editor: Improved performance in loops and animated plots (R2020a)

NEW MATLAB Online: Collaborate using projects and Git in MATLAB Online (R2021b)

NEW Unit Testing Framework: Use the TestCase class template to create tests more quickly and accurately (R2021b)

• Run tests in parallel on clusters and clouds (R2020b)

Out-of-Process Python Execution: Execute Python functions out-of-process to avoid library conflicts (R2019b)

Projects: Organize your work, automate tasks and processes, and collaborate with your team (R2019a)

C++ Interface: Call C++ library functions from MATLAB (R2019a)

Jenkins Plugin for MATLAB: Run MATLAB tests and generate test reports in formats such as JUnit, TAP, and Cobertura code coverage reports

New Reference Architectures: Deploy and run MATLAB on Amazon Web Services (AWS) and Microsoft Azure

NEW Arduino: Connect and Control Arduino board using the Arduino Explorer app (R2021b)

• Use Nano 33 BLE Sense board (R2021a)
• Use Arduino Engineering Kit examples included in Arduino support package (R2021a)

NEW Sensor Support: Read data from APDS9960 sensor connected to Arduino (R2021b)

• Use LSM and MPU sensors with Raspberry Pi unified server (R2021a)

NEW Raspberry Pi: Support for CAN shields (R2021b)

• Deploy with unified server (R2021a)
• Deploy MATLAB function on hardware from MATLAB Online (R2020b)

Acquire Webcam Image Live Editor Task: Interactively capture webcam images (R2020b)