The latest release https://github.com/TopoToolbox/topotoolbox3/releases/tag/release-20251117-1 contains the function ttupdate which downloads and installs the latest release. I've just tested it using Windows, but would be glad to hear if it also works on other OSs.
The latest release https://github.com/TopoToolbox/topotoolbox3/releases/tag/release-20251117-1 contains the function
ttupdatewhich downloads and installs the latest release. I've just tested it using Windows, but would be glad to hear if it also works on other OSs.