What's Changed

• Update openai package to 2.4.0 and fix breaking changes by @Copilot in #181
• feat: add a2a server and client plugins and samples by @lilyydu in #178
• Bump vite from 6.3.6 to 6.4.1 in /tests/tab/Web by @dependabot[bot] in #183
• Add MessagingExtensionAttachmentLayout enum with "grid" support by @Copilot in #186
• Update USER_AGENT format from teams.py[app] to teams.py[apps] by @Copilot in #194
• Use refreshable app tokens by @heyitsaamir in #187
• Release version 2.0.0a4 by @heyitsaamir in #195
• Fix devtools by @heyitsaamir in #198

New Contributors

• @dependabot[bot] made their first contribution in #183

Full Changelog: v2.0.0a3...v2.0.0a4