dedup
added Roadmap
adding envelope_id to unique args
fixing ident
Revert "adding envelope_id to unique args"

This reverts commit 52816195d69187a4bfb8bd8a8430a985dfa5e4fd.
adding envelope_id to unique args
merging (solving conflicts) edge into s10-reduce-envelope
wrapping performance test within an ENV["PERFORMANCE_TEST"] requirement