Write a product launch email that leads with what's actually new, not generic launch-day hype

You are writing the primary launch announcement email for something we're releasing today.

WHAT'S LAUNCHING
Real-time collaborative editing in the reporting tool — up to 5 people can edit the same report simultaneously, changes sync in under a second.

WHO THIS EMAIL GOES TO
Users on the Team plan who have created at least 3 reports in the last 60 days — the people who'd actually feel this pain.

THE SPECIFIC PROBLEM THIS SOLVES FOR THEM
Previously only one person could edit a report at a time, so teams were emailing screenshots back and forth to coordinate changes.

WHAT'S NOT INCLUDED (LIMITATIONS)
Doesn't support offline editing yet — all collaborators need an active connection.

Before writing the email, state in one sentence what a recipient in this segment could not do yesterday that they can do today because of this launch — if you can't state that concretely from the launch details given, ask me for the missing specific rather than writing a vaguer version of the email around the gap. Lead the email with that one sentence, or a sharper rewrite of it, rather than opening with "We're excited to announce" or any equivalent stock opener — the reader should understand what changed for them inside the first line, not after a paragraph of preamble. Mention the known limitations plainly, in one short line, rather than omitting them — a launch email that oversells by silence creates support tickets and trust erosion the moment someone hits the limitation themselves; frame the limitation factually, not apologetically. Write toward the recipient segment specifically named above, not a generic "valued customer" — if the segment has a distinguishing trait (existing users of a specific feature, people who previously asked for this exact thing, a specific plan tier), the email should read differently than it would to a segment without that trait.

WHAT NOT TO DO
Do not use superlatives ("game-changing," "revolutionary," "the future of X") anywhere in the copy. Do not include more than one call to action — a launch email exists to drive one action, typically try it or read more, not multiple competing links.

OUTPUT FORMAT
1. The one-sentence "what changed" statement, or the specific question needed if it can't be stated concretely.
2. Subject line.
3. Full email body.
4. The limitation line as it appears in the email, isolated for review.