# Vercel Chat SDK now supports reactions and ephemeral messages on Teams - Product: Vercel (https://whatsnew.fyi/product/vercel) - Vendor: Vercel - Date: 2026-07-31 - Original notes: https://vercel.com/changelog/chat-sdk-reactions-and-ephemeral-messages-on-teams - Permalink: https://whatsnew.fyi/product/vercel/releases/2026-07-31-chat-sdk-now-supports-reactions-and-ephemeral-mes What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- Chat SDK's Microsoft Teams adapter now supports reactions and ephemeral messages through the same API as other adapters. Bots can add and remove reactions on Teams messages, and call thread.postEpheme… - **added** — Chat SDK's Microsoft Teams adapter now supports reactions on messages through the same API as other adapters - **added** — Chat SDK's Microsoft Teams adapter now supports ephemeral messages through the same API as other adapters - **added** — Bots can add and remove reactions on Teams messages