As you prepare for migrating your tasks to V5, verify that your source environment is supported and that you have addressed any prerequisites. This document captures improvements and guidelines that can be used for migration to V5.
izy-proxy uses an internal chain for processing task.listen and taskrunner_chain will not be needed.
taskrunnerProcessor will use apiPackageName for specifying the task enumeration and recording API.
apiExecutionContext wont be available (readonly will be)
['chain.importProcessor', 'apps/tasks/api:task_chain', taskToRun] will go away. The Inversion of Control pattern imposed starting with V5 will make the processors available automatically.