v2.40.0

What's Changed

• Add environment parameter to conversational AI by @AngeloGiacco in https://github.com/elevenlabs/elevenlabs-python/pull/745
• 🌿 Fern Regeneration -- March 23, 2026 by @fern-api[bot] in https://github.com/elevenlabs/elevenlabs-python/pull/750

Full Changelog: https://github.com/elevenlabs/elevenlabs-python/compare/v2.39.1...v2.40.0