# Is there a Convai SDK that works with Unity 6.3 LTS?

**URL:** <https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200>\
**Category:** Unity SDK\
**Tags:** question, unity\
**Created:** [May 18, 2026, 7:29am UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200 "2026-05-18T07:29:36Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![developer1](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/developer1/32/7158_2.png) [@developer1](https://forum.convai.com/u/developer1)\
**Post date:** [May 18, 2026, 7:29am UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200/1 "2026-05-18T07:29:36Z")

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Is there a Convai SDK that works with Unity 6.3 LTS.

I see a lot of errors with Convai SDK once I update the Unity version

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**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\
**Post date:** [May 18, 2026, 7:48am UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200/2 "2026-05-18T07:48:11Z")

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Hello,

**Welcome to the Convai Developer Forum!**

You can find the latest version here:

[https://assetstore.unity.com/packages/tools/behavior-ai/npc-ai-engine-dialog-actions-voice-and-lipsync-convai-235621](https://assetstore.unity.com/packages/tools/behavior-ai/npc-ai-engine-dialog-actions-voice-and-lipsync-convai-235621)

Please try creating a new Unity project and importing the Convai asset into that fresh project.

> **[NPC AI Engine - Dialog, actions, voice and lipsync - Convai | Behavior AI |...](https://assetstore.unity.com/packages/tools/behavior-ai/npc-ai-engine-dialog-actions-voice-and-lipsync-convai-235621)**
>
> Get the NPC AI Engine - Dialog, actions, voice and lipsync - Convai package from Convai and speed up your game development process. Find this & other Behavior AI options on the Unity Asset Store.

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<div class="post-metadata">

**Author:** ![c06alt](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/c06alt/32/7184_2.png) [@c06alt](https://forum.convai.com/u/c06alt)\
**Post date:** [May 21, 2026, 4:29am UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200/3 "2026-05-21T04:29:39Z")

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The problem is in livekit.unity.Runtime.asmdef ,Google.Protobuf.dll is missing there when i tried with 6.4

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<div class="post-metadata">

**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\
**Post date:** [May 27, 2026, 10:23pm UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200/4 "2026-05-27T22:23:13Z")

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Could you please test with 6.3?

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**Author:** ![system](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/1X/e60ef96aa7334c5ccf6682f6c6dbc20fcfa96b49.png) [@system](https://forum.convai.com/u/system)\
**Post date:** [June 26, 2026, 10:23pm UTC](https://forum.convai.com/t/is-there-a-convai-sdk-that-works-with-unity-6-3-lts/6200/5 "2026-06-26T22:23:36Z")

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