# AI & Machine Learning

**URL:** https://discussions.unity.com/c/ai-and-machine-learning/79.md

[Latest](https://discussions.unity.com/latest.md) · [Categories](https://discussions.unity.com/categories.md) · [Tags](https://discussions.unity.com/tags.md)

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## [About the AI & Machine Learning category](https://discussions.unity.com/t/about-the-ai-machine-learning-category/1720515)

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**Author:** [@osmangormus](https://discussions.unity.com/u/osmangormus)\
**Replies:** 0\
**Last updated:** [May 20, 2026, 6:16pm UTC](https://discussions.unity.com/t/about-the-ai-machine-learning-category/1720515 "2026-05-20T18:16:03Z")

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Explore Unity’s AI tooling, machine learning, and inference features. Discuss model training, gateway integrations, and production use cases.

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## [AI Planner version 0.2.4 released](https://discussions.unity.com/t/ai-planner-version-0-2-4-released/815598)

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**Author:** [@TrevorUnity](https://discussions.unity.com/u/TrevorUnity)\
**Replies:** 98\
**Last updated:** [May 18, 2024, 7:25am UTC](https://discussions.unity.com/t/ai-planner-version-0-2-4-released/815598 "2024-05-18T07:25:14Z")

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Hello, everyone! Today we are releasing the Unity AI Planner version 0.2.4. In the past few months, our team has moved the trait language into its own package, Semantic Traits. With this change, we taking the first steps…

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## [Allow Manual Selection of Animation Frames](https://discussions.unity.com/t/allow-manual-selection-of-animation-frames/1741540)

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**Author:** [@markdrewsmmot6box](https://discussions.unity.com/u/markdrewsmmot6box)\
**Replies:** 0\
**Last updated:** [November 10, 2026, 11:53am UTC](https://discussions.unity.com/t/allow-manual-selection-of-animation-frames/1741540 "2026-11-10T11:53:36Z")

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Hi Unity AI Team, I’ve been experimenting with the Unity AI Sprite Generator while developing my 2D point-and-click adventure, and I’d like to suggest an improvement. The problem: I generated a character walking in pl…

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## [GPUCompute: ArgMax over the last axis silently returns zeros when rows \> 65535 (repro + workaround)](https://discussions.unity.com/t/gpucompute-argmax-over-the-last-axis-silently-returns-zeros-when-rows-65535-repro-workaround/1741074)

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**Author:** [@hasmi5452](https://discussions.unity.com/u/hasmi5452)\
**Replies:** 0\
**Last updated:** [November 4, 2026, 4:03am UTC](https://discussions.unity.com/t/gpucompute-argmax-over-the-last-axis-silently-returns-zeros-when-rows-65535-repro-workaround/1741074 "2026-11-04T04:03:50Z")

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Hi, sharing a reproducible issue and a workaround in case it helps others running segmentation models on GPUCompute. Functional.ArgMax(x, -1) on GPUCompute returns wrong results once the number of rows before the reduce…

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## [7 Pillars of AI in Unity — Terms and Concepts — Guide](https://discussions.unity.com/t/7-pillars-of-ai-in-unity-terms-and-concepts-guide/1740889)

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**Author:** [@makaka-org](https://discussions.unity.com/u/makaka-org)\
**Replies:** 2\
**Last updated:** [November 3, 2026, 3:36pm UTC](https://discussions.unity.com/t/7-pillars-of-ai-in-unity-terms-and-concepts-guide/1740889 "2026-11-03T15:36:32Z")

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There are so many AI-related terms and tools in Unity, so here’s my short and simple diagram. You can find a full explanation in my Comprehensive Guide. Explore Unity AI Assistant and other Agents, Plugins and Tools for…

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## [Cooperative Vector Support?](https://discussions.unity.com/t/cooperative-vector-support/1740952)

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**Author:** [@JiRo\_Dev](https://discussions.unity.com/u/JiRo_Dev)\
**Replies:** 2\
**Last updated:** [November 2, 2026, 12:38pm UTC](https://discussions.unity.com/t/cooperative-vector-support/1740952 "2026-11-02T12:38:31Z")

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I’ve been thinking about accelerating some rendering techniques with neural shaders, and Nvidia says cooperative vectors help accelerate inference? How accurate is that for Unity Sentis/Inference Engine? If it indeed wou…

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## [Unity AI’s Open Beta Now Live for Unity 6](https://discussions.unity.com/t/unity-ai-s-open-beta-now-live-for-unity-6/1718560)

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**Author:** [@AuroreUnity](https://discussions.unity.com/u/AuroreUnity)\
**Replies:** 184\
**Last updated:** [November 2, 2026, 1:49am UTC](https://discussions.unity.com/t/unity-ai-s-open-beta-now-live-for-unity-6/1718560 "2026-11-02T01:49:13Z")

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Hi everyone, Important Update: We are excited to announce that the Unity AI Beta is now available for all developers on Unity 6 and above. Our goal with AI is to help you build better games, faster. Unity AI gives yo…

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## [Bug in GetOptionalFloatArray](https://discussions.unity.com/t/bug-in-getoptionalfloatarray/1739915)

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**Author:** [@julienkay](https://discussions.unity.com/u/julienkay)\
**Replies:** 2\
**Last updated:** [October 31, 2026, 4:59pm UTC](https://discussions.unity.com/t/bug-in-getoptionalfloatarray/1739915 "2026-10-31T16:59:46Z")

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I think I found a small bug in the ONNX importer in com.unity.ai.inference 2.6.1. In Editor/ONNX/ONNXNodeWrapper.cs, GetOptionalFloatArray looks for an attribute of type Float instead of Floats: public float\[\] GetOptio…

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## [CLI Package VFX Graph Skills](https://discussions.unity.com/t/cli-package-vfx-graph-skills/1739302)

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**Author:** [@soleron](https://discussions.unity.com/u/soleron)\
**Replies:** 1\
**Last updated:** [October 29, 2026, 7:34pm UTC](https://discussions.unity.com/t/cli-package-vfx-graph-skills/1739302 "2026-10-29T19:34:01Z")

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While the existing skills are helpful because they cover areas other options do not, it looks like one important skill is missing. A skill for the Visual Effects Graph. We find similar skills or combined with Shader Gr…

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## [Add multiplayer play mode play button to MCP](https://discussions.unity.com/t/add-multiplayer-play-mode-play-button-to-mcp/1719555)

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**Author:** [@NeoNCVR](https://discussions.unity.com/u/NeoNCVR)\
**Replies:** 0\
**Last updated:** [May 11, 2026, 3:35pm UTC](https://discussions.unity.com/t/add-multiplayer-play-mode-play-button-to-mcp/1719555 "2026-05-11T15:35:09Z")

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Unity MCP can’t run multiple instances for automated tests with multiplayer play mode.

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## [The Official Unity Plugin for Codex](https://discussions.unity.com/t/the-official-unity-plugin-for-codex/1736730)

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**Author:** [@Treyrannosaurus-Rex](https://discussions.unity.com/u/Treyrannosaurus-Rex)\
**Replies:** 22\
**Last updated:** [October 14, 2026, 9:57am UTC](https://discussions.unity.com/t/the-official-unity-plugin-for-codex/1736730 "2026-10-14T09:57:04Z")

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Howdy, everybody! The official Unity plugin for Codex is now live. It’s a first-party integration, written and maintained by us, so when Codex answers a Unity question the answer comes from, well, Unity. Setup is two c…

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## [Let's talk about the Asset Store: Defining "Made with AI"](https://discussions.unity.com/t/lets-talk-about-the-asset-store-defining-made-with-ai/1713385)

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**Author:** [@AndrewAssetStore](https://discussions.unity.com/u/AndrewAssetStore)\
**Replies:** 269\
**Last updated:** [October 8, 2026, 11:54pm UTC](https://discussions.unity.com/t/lets-talk-about-the-asset-store-defining-made-with-ai/1713385 "2026-10-08T23:54:22Z")

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One of the most frequent requests we see for the Asset Store is the ability to filter out AI generated content. We want to give you the tools to curate your feed. But to build a filter that actually works, we need to kn…

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## [\[Tutorial\] Build Complex Enemy AI in Minutes with Behavior Trees](https://discussions.unity.com/t/tutorial-build-complex-enemy-ai-in-minutes-with-behavior-trees/1738542)

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**Author:** [@Yecats](https://discussions.unity.com/u/Yecats)\
**Replies:** 2\
**Last updated:** [October 7, 2026, 4:50pm UTC](https://discussions.unity.com/t/tutorial-build-complex-enemy-ai-in-minutes-with-behavior-trees/1738542 "2026-10-07T16:50:46Z")

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In Unity, behavior trees are a great fit when your AI has a lot of conditions and priorities to juggle. In this video, we’ll cover the basics of building a behavior tree using the Unity Behavior tool. You’l…

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## [What are people using these days for low-consequence, isolated scene changes via AI?](https://discussions.unity.com/t/what-are-people-using-these-days-for-low-consequence-isolated-scene-changes-via-ai/1738445)

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**Author:** [@ferretnt](https://discussions.unity.com/u/ferretnt)\
**Replies:** 5\
**Last updated:** [October 7, 2026, 3:47pm UTC](https://discussions.unity.com/t/what-are-people-using-these-days-for-low-consequence-isolated-scene-changes-via-ai/1738445 "2026-10-07T15:47:00Z")

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I have a particular phobia of letting arbitrary coding agents edit Unity YAML directly, but there are some very constrained bits of editor work that seem like they ought to be ideal for an agent. A concrete example is o…

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## [The Official Unity Plugin for Grok Build](https://discussions.unity.com/t/the-official-unity-plugin-for-grok-build/1738062)

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**Author:** [@Treyrannosaurus-Rex](https://discussions.unity.com/u/Treyrannosaurus-Rex)\
**Replies:** 7\
**Last updated:** [October 6, 2026, 3:33pm UTC](https://discussions.unity.com/t/the-official-unity-plugin-for-grok-build/1738062 "2026-10-06T15:33:50Z")

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Howdy, everybody! The official Unity plugin for Grok Build is here. It brings our engineering guidance directly to your terminal, in our continued effort to meet you where you work. Unlock 30+ native engine skills cove…

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## [Unity AI assistant stopped working after missed payment (over 14 days) – can't re-enable subscription](https://discussions.unity.com/t/unity-ai-assistant-stopped-working-after-missed-payment-over-14-days-cant-re-enable-subscription/1738178)

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**Author:** [@unity\_FDEC1F8465A386F9D3B6](https://discussions.unity.com/u/unity_FDEC1F8465A386F9D3B6)\
**Replies:** 1\
**Last updated:** [October 2, 2026, 7:45pm UTC](https://discussions.unity.com/t/unity-ai-assistant-stopped-working-after-missed-payment-over-14-days-cant-re-enable-subscription/1738178 "2026-10-02T19:45:36Z")

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Hi, I’m on Unity Personal with a Unity AI add-on subscription (monthly). I missed a recurring payment and didn’t pay it within 14 days of the due date. In my account I now see: “Recurring payment – $10.81 – Refunded – …

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## [It seems that gemini, claude and openai keys all dont work in the AI assistant](https://discussions.unity.com/t/it-seems-that-gemini-claude-and-openai-keys-all-dont-work-in-the-ai-assistant/1737953)

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**Author:** [@jaguar\_iv](https://discussions.unity.com/u/jaguar_iv)\
**Replies:** 1\
**Last updated:** [September 30, 2026, 3:25pm UTC](https://discussions.unity.com/t/it-seems-that-gemini-claude-and-openai-keys-all-dont-work-in-the-ai-assistant/1737953 "2026-09-30T15:25:49Z")

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so its been an issue for like 2 weeks now, ive been using Rider IDE instead to do a lot of coding because i just cannot get unity to open a connection to the AI assistants. With claude I get “session ended unexpectedly” …

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## [ML-Agents version compatibility](https://discussions.unity.com/t/ml-agents-version-compatibility/1737622)

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**Author:** [@ClockworksGames](https://discussions.unity.com/u/ClockworksGames)\
**Replies:** 0\
**Last updated:** [September 25, 2026, 3:03pm UTC](https://discussions.unity.com/t/ml-agents-version-compatibility/1737622 "2026-09-25T15:03:52Z")

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I see in the Package Manager that there is now version 4.1.0 of the ML Agents Unity package. Is this still compatible with version 1.1.0 of the ML Agents Python package? Thanks!

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## [More wider ONNX support?](https://discussions.unity.com/t/more-wider-onnx-support/1737190)

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**Author:** [@mgear](https://discussions.unity.com/u/mgear)\
**Replies:** 2\
**Last updated:** [September 24, 2026, 1:54pm UTC](https://discussions.unity.com/t/more-wider-onnx-support/1737190 "2026-09-24T13:54:54Z")

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come on unity devs, get more tokens to work & update sentis features (to work with recent models)! would be nice to use this issues, for example: LayerNormalization: Unsupported attribute axis. Value will be ignored…

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## [Not letting me Unsubscribe from Unity AI before Trial is over](https://discussions.unity.com/t/not-letting-me-unsubscribe-from-unity-ai-before-trial-is-over/1719510)

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**Author:** [@Duck-King](https://discussions.unity.com/u/Duck-King)\
**Replies:** 8\
**Last updated:** [September 24, 2026, 7:00am UTC](https://discussions.unity.com/t/not-letting-me-unsubscribe-from-unity-ai-before-trial-is-over/1719510 "2026-09-24T07:00:22Z")

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Is this a damn trick to get money out of people by not letting them unsibscribe? It simply will not load. So I can stop renewels.

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## [Feature Request: Native Editor Concurrency Lock / Mutual Exclusion for Multi-Agent Workflows](https://discussions.unity.com/t/feature-request-native-editor-concurrency-lock-mutual-exclusion-for-multi-agent-workflows/1737300)

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**Author:** [@NobleShadow](https://discussions.unity.com/u/NobleShadow)\
**Replies:** 1\
**Last updated:** [September 22, 2026, 6:14pm UTC](https://discussions.unity.com/t/feature-request-native-editor-concurrency-lock-mutual-exclusion-for-multi-agent-workflows/1737300 "2026-09-22T18:14:59Z")

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Context & Problem Statement With the rise of multi-agent and hybrid development workflows (e.g., using Antigravity/Cursor alongside Claude Code CLI or Codex), multiple external processes and human developers frequently t…

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## [Pushing Navmesh agents](https://discussions.unity.com/t/pushing-navmesh-agents/1634908)

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**Author:** [@halldorcat](https://discussions.unity.com/u/halldorcat)\
**Replies:** 1\
**Last updated:** [September 17, 2026, 9:59pm UTC](https://discussions.unity.com/t/pushing-navmesh-agents/1634908 "2026-09-17T21:59:29Z")

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I wanted to create simple AI crowd behavior where a group pf navmesh agents travel towards the player, and then stop at a certain distance. Then, the player is able to “push” them out of the way by running into them, and…

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## [Help me understand the value of Claude Code / AI inside of Unity](https://discussions.unity.com/t/help-me-understand-the-value-of-claude-code-ai-inside-of-unity/1730304)

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**Author:** [@laplandhusky](https://discussions.unity.com/u/laplandhusky)\
**Replies:** 20\
**Last updated:** [September 17, 2026, 7:13pm UTC](https://discussions.unity.com/t/help-me-understand-the-value-of-claude-code-ai-inside-of-unity/1730304 "2026-09-17T19:13:58Z")

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Hi everyone. I have made several games using Unity. I’m mainly a programmer, but have started to dive into the world of AI generated code. Since i know how to program i understand the value of getting AI to generate code…

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## [Unity’s plugin is now available in Claude Code](https://discussions.unity.com/t/unity-s-plugin-is-now-available-in-claude-code/1736143)

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**Author:** [@Treyrannosaurus-Rex](https://discussions.unity.com/u/Treyrannosaurus-Rex)\
**Replies:** 5\
**Last updated:** [September 16, 2026, 4:19pm UTC](https://discussions.unity.com/t/unity-s-plugin-is-now-available-in-claude-code/1736143 "2026-09-16T16:19:02Z")

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Howdy, everybody! The official Unity plugin for Claude Code is now live. This is a first-party integration, available directly in Anthropic’s managed directory. You can now bring Unity into the AI workflows a lot of you…

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## [New Terms of Service: Is Unity Restricting Local AI Tools and AI Training?](https://discussions.unity.com/t/new-terms-of-service-is-unity-restricting-local-ai-tools-and-ai-training/1724661)

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**Author:** [@akeit](https://discussions.unity.com/u/akeit)\
**Replies:** 56\
**Last updated:** [September 14, 2026, 12:16am UTC](https://discussions.unity.com/t/new-terms-of-service-is-unity-restricting-local-ai-tools-and-ai-training/1724661 "2026-09-14T00:16:10Z")

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Hi Unity team, I would like a simple official clarification about the June 30 Terms of Service update. Unity Terms of Service My concern is MCP and about AI training, research, and development using Unity. The new To…

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## [Assistant useful, but breaks more than it fixes](https://discussions.unity.com/t/assistant-useful-but-breaks-more-than-it-fixes/1736479)

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**Author:** [@swendl](https://discussions.unity.com/u/swendl)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 3:56pm UTC](https://discussions.unity.com/t/assistant-useful-but-breaks-more-than-it-fixes/1736479 "2026-09-13T15:56:05Z")

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I am a new user of Unity and the Unity AI Assistant. I’m impressed with the Assistant’s integration and ability to create and modify via my prompts. HOWEVER - I am burning through credits unnecessarily because Assistan…

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## [Four skills in Unity-Technologies/skills have invalid YAML frontmatter and can't be installed](https://discussions.unity.com/t/four-skills-in-unity-technologies-skills-have-invalid-yaml-frontmatter-and-cant-be-installed/1736439)

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**Author:** [@Hissal](https://discussions.unity.com/u/Hissal)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 5:51am UTC](https://discussions.unity.com/t/four-skills-in-unity-technologies-skills-have-invalid-yaml-frontmatter-and-cant-be-installed/1736439 "2026-09-13T05:51:43Z")

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Four skills in Unity-Technologies/skills have invalid YAML frontmatter and can’t be installed Posting here because Unity-Technologies/skills has Issues disabled, and its CONTRIBUTING.md points here for feedback. I have …

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## [Different behavior in build mode that persists in preview mode afterwards](https://discussions.unity.com/t/different-behavior-in-build-mode-that-persists-in-preview-mode-afterwards/1736218)

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**Author:** [@laserpanda](https://discussions.unity.com/u/laserpanda)\
**Replies:** 0\
**Last updated:** [September 10, 2026, 5:57am UTC](https://discussions.unity.com/t/different-behavior-in-build-mode-that-persists-in-preview-mode-afterwards/1736218 "2026-09-10T05:57:32Z")

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I’m making a little horse racing game, and normally all 5 horses make it to the finish line most of the time in preview mode. However if I build, only one or two will get there, and much slower, with the others falling o…

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## [Support for NonZero in GPU?](https://discussions.unity.com/t/support-for-nonzero-in-gpu/1736086)

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**Author:** [@mgear](https://discussions.unity.com/u/mgear)\
**Replies:** 0\
**Last updated:** [September 8, 2026, 6:55pm UTC](https://discussions.unity.com/t/support-for-nonzero-in-gpu/1736086 "2026-09-08T18:55:41Z")

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any plants to support nonzero for gpu? to use this: \*ai suggested that the nonzero part would force it into cpu for unity..

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## [AI Assistant: Prompt costs Quintupled over night?](https://discussions.unity.com/t/ai-assistant-prompt-costs-quintupled-over-night/1722948)

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**Author:** [@NeoKuro](https://discussions.unity.com/u/NeoKuro)\
**Replies:** 5\
**Last updated:** [September 8, 2026, 4:03pm UTC](https://discussions.unity.com/t/ai-assistant-prompt-costs-quintupled-over-night/1722948 "2026-09-08T16:03:38Z")

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Last night I was using Unity AI Assistant in agent mode. These were costing me about 30-50 credits per prompt. Very reasonable. Very affordable. Very usable. At lunch today, I tried working on my project. For the same s…

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