I don't know :) Serialization of routes was failed because object with closure in property can't be serialized by opis/closure ^3.4. Closure in property might be used in any services too, not routes only.
"exclude config" may be new feature for composer-config-plugin. it will help to make work plugin without building any configs by default in dev environment, as @nex_otaku suggested
"exclude config" may be new feature for composer-config-plugin. it will help to make work plugin without building any configs by default in dev environment, as @nex_otaku suggested
If I have had that suggestion for a long time, for example if I have an error in the app, the first thing I do apart from seeing the logs is to start from a clean configuration.