Answer team questions, send notes, open channels. Every one is ready to run, and you can adjust it in plain language.
Send consistent release updates to the stakeholder list.
Your stakeholders get clear release notes with dates and links from the published summary. Engineers see the exact email that went out.
Link announcement feeds to groups for reader replies.
Give readers a place to discuss your Telegram channel posts, with the group link or an access blocker on your launch checklist.