Behind the scenes, R2019b introduced and improved the Just-In-Time (JIT) compiler. Loops that previously ran slowly in R2015a saw a 20-30% speed improvement in R2019b, provided the code was vectorized appropriately.
Given that current releases are R2024b and R2025a, where does R2019b stand? matlab r2019b
: This release saw the debut of System Composer, a tool for model-based systems engineering (MBSE) that allows for the specification and analysis of architectures before detailed design begins. Behind the scenes, R2019b introduced and improved the
Use the matlab.addons.install function to reinstall older toolboxes not included in the main installer. : This release saw the debut of System
For power users who write custom functions, R2019b solved a workflow frustration that had persisted for years. Prior to this release, if you were working in the Live Editor and realized you needed to tweak a local function defined at the bottom of your script, you often had to leave the live execution flow
Need help migrating code from R2019b to the latest release? MathWorks provides the "MATLAB Upgrade Advisor" – run upgradeadvisor in your project folder to check for deprecated functions.