Separate responsibilities. One shared launch.
Two companies prepare a joint launch. One owns the product and integration; the other handles the audience and support. Each team follows its own plan. Late in the process, materials depend on unconfirmed features and support does not know what users were promised.
Go straight to the possible work ↓A useful distinction
Is there a shared launch plan?
Not sure yet: general approachConsidering this option: A shared plan exists, but dependencies slip
Where we could start
I would compare current readiness with the shared plan and identify critical dependencies. I would coordinate agreement on changes, owners and the next joint review.
What you would have
An updated dependency plan and agreed actions needed before launch.
Who needs to be involved
Launch owners on both sides and owners of dependent work.
Roles and decisions
Specialists provide technical estimates; the parties approve delays and changed promises.
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