Version 16.1 overhauled the expression field with a full-blown code editor interface, featuring line numbers, syntax highlighting, and code folding.
A "Portable" app isn't just a folder of files; it’s a feat of . When you launch this version from a USB drive: Adobe After Effects CC 2019 16.1.3.5 X64 Portable
to ensure the portable version isn't trying to save hundreds of gigabytes of cache to a slow USB drive, which will cause significant lag. Stability Issues: Version 16
Right-click the executable and select "Run as Administrator" to ensure it has the necessary permissions to write temporary cache files. Scratch Disks: Preferences > Media & Disk Cache featuring line numbers