diff --git a/changelog/3653.added.2.md b/changelog/3653.added.2.md
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+- Added support for `video_settings` parameter in `LiveAvatarNewSessionRequest` to configure video encoding (H264/VP8) and quality levels.
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diff --git a/changelog/3653.added.md b/changelog/3653.added.md
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+- Added support for `is_sandbox` parameter in `LiveAvatarNewSessionRequest` to enable sandbox mode for HeyGen LiveAvatar sessions.
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diff --git a/changelog/3653.changed.md b/changelog/3653.changed.md
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+- Changed default session mode from "CUSTOM" to "LITE" in HeyGen LiveAvatar integration, with VP8 as the default video encoding.
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