During the course of our project, we found that the answer to the first query would be a 'yes'The workflow model code in both the /conf & /var locations should be a part of the project codebase.

Thanks smacdonald2008​, arun,That answers my second question.Any inputs on my first query?

I have the below questions related workflows on AEM 6.41. If Im having workflow models as part of the code, should I have the model code both in '/conf and /var(runtime model) locations in my codebase.2. If Im triggering a workflow programatically, which location is to be used to get the modelId in ...

We are facing an issue with sling url resolution post AEM6.0(SP3) to 6.4 migration.Prior to migration, the servlets were receiving http requests and the request.getResourceResolver().map() method was correctly resolving the URLsThe sling mappings in the code are placed under the http folder i.e etc/...

If we are upgrading from AEM 6 (sp3 to be specific) to AEM 6.4, should we be running 'Lazy content migration'? or is it only applicable when upgrading from 6.3?