composer require vendor/xyzcommand, newer versions of modules or core are downloaded. If patches for those modules are included, there are 3 possible scenarios:
"cweagans/composer-patches"package, and added an Event Dispatcher on patch failure. The Event Dispatcher will dispatch an Event that will prompt you to perform an action depending on the scenarios above. Thus:
composer updateand it will work.
composer config repositories.composer-patches vcs https://github.com/vardot/composer-patches
composer require vardot/varbase-updater
composer updateto get the new package and start applying the new patching mechanism.