# Sources — 2026-09-20 Web sources consulted on **20 September 2026**. Product status and prices change quickly; re-check before relying on them. Items the research flagged as recent or single-source are marked ⚠️. Index: [[Citations — Production Pipeline]] · earlier page: [[Sources — 2026-09-19]] ## Source control - Perforce, P4 platform rebrand (March 2025): https://www.perforce.com/blog/vcs/introducing-the-p4-platform - Perforce, pricing and free tier: https://www.perforce.com/resources/vcs/helix-core-pricing · https://www.perforce.com/products/helix-core/free-version-control - Epic, Using Perforce as source control: https://dev.epicgames.com/documentation/en-us/unreal-engine/using-perforce-as-source-control-for-unreal-engine - Epic, Source control in Unreal Engine: https://dev.epicgames.com/documentation/unreal-engine/source-control-in-unreal-engine - Epic, One File Per Actor: https://dev.epicgames.com/documentation/en-us/unreal-engine/one-file-per-actor-in-unreal-engine - Epic, Horde and UnrealGameSync tutorial: https://dev.epicgames.com/documentation/en-us/unreal-engine/horde-unrealgamesync-tutorial-for-unreal-engine - Diversion pricing: https://www.diversion.dev/pricing - ProjectBorealis UEGitPlugin: https://github.com/ProjectBorealis/UEGitPlugin - Unity DevOps charges: https://support.unity.com/hc/en-us/articles/34748492914964-Understanding-Unity-DevOps-charges - Epic Lore: https://github.com/EpicGames/lore · roadmap https://epicgames.github.io/lore/roadmap/ · UE docs https://dev.epicgames.com/documentation/unreal-engine/lore-version-control-in-unreal-engine - The Register, Epic open-sources Lore: https://www.theregister.com/devops/2026/06/17/git-good-with-epic-games-new-open-source-vcs-lore/5257978 - GameFromScratch, Lore: https://gamefromscratch.com/new-lore-version-control-system-from-epic-games/ ## Conversation client plugin - Epic, Plugins: https://dev.epicgames.com/documentation/unreal-engine/plugins-in-unreal-engine - Epic, HTTP API: https://dev.epicgames.com/documentation/unreal-engine/API/Runtime/HTTP - Epic, WebSockets API: https://dev.epicgames.com/documentation/unreal-engine/API/Runtime/WebSockets - Unreal Community Wiki, WebSocket client: https://unrealcommunity.wiki/websocket-client-cpp-5vk7hp9e - Epic, UAudioCaptureComponent: https://dev.epicgames.com/documentation/unreal-engine/API/Plugins/AudioCapture/UAudioCaptureComponent - Epic, IAudioCaptureStream: https://dev.epicgames.com/documentation/unreal-engine/API/Runtime/AudioCaptureCore/IAudioCaptureStream - Epic forums, mic capture: https://forums.unrealengine.com/t/knowledge-base-using-audio-capture-component-for-mic-capture/264943 - Epic, USoundWaveProcedural: https://dev.epicgames.com/documentation/unreal-engine/API/Runtime/Engine/USoundWaveProcedural ## Captions - W3C WCAG 2.2, SC 1.2.2: https://www.w3.org/WAI/WCAG22/Understanding/captions-prerecorded.html - eCFR 47 CFR 79.1: https://www.ecfr.gov/current/title-47/chapter-I/subchapter-C/part-79/subpart-A/section-79.1 - DCMP Captioning Key: https://dcmp.org/learn/captioningkey/597 · https://dcmp.org/learn/captioningkey/601 - BBC subtitle guidelines (summary): https://www.clevercast.com/bbc-subtitling-guidelines/ - Smithsonian Guidelines for Accessible Exhibition Design: https://www.thc.texas.gov/public/upload/publications/Smithsonian%20Guidelines%20for%20accessible%20design.pdf - Meta, VR accessibility: https://developers.meta.com/horizon/design/accessibility/ · VRC.Quest.Accessibility.1 https://developers.meta.com/horizon/resources/vrc-quest-accessibility-1/ - W3C, XR Accessibility User Requirements: https://www.w3.org/TR/xaur/ - Epic, Subtitles and Closed Captions plugin: https://dev.epicgames.com/documentation/unreal-engine/subtitles-and-closed-captions-plugin-in-unreal-engine ## Kiosk lighting - Epic, UE 5.8 announcement: https://www.unrealengine.com/news/unreal-engine-5-8-is-now-available - Epic, MegaLights: https://dev.epicgames.com/documentation/en-us/unreal-engine/megalights-in-unreal-engine - Epic, Lumen technical details: https://dev.epicgames.com/documentation/unreal-engine/lumen-technical-details-in-unreal-engine - Epic, TSR: https://dev.epicgames.com/documentation/en-us/unreal-engine/temporal-super-resolution-in-unreal-engine - Epic, UE 5.7 announcement (Substrate): https://www.unrealengine.com/news/unreal-engine-5-7-is-now-available - Epic, six character lighting presets: https://www.unrealengine.com/en-US/blog/six-new-character-lighting-presets-for-unreal-engine-available-now - Epic, MetaHuman custom lighting scenarios: https://dev.epicgames.com/documentation/metahuman/metahuman-custom-lighting-scenarios-and-render-settings-in-unreal-engine - Tom Looman, UE 5.8 performance highlights: https://tomlooman.com/unreal-engine-5-8-performance-highlights/ ## Place kits - Epic, Level instancing: https://dev.epicgames.com/documentation/en-us/unreal-engine/level-instancing-in-unreal-engine - Epic, GPU Lightmass: https://dev.epicgames.com/documentation/unreal-engine/gpu-lightmass-global-illumination-in-unreal-engine - Meta, lighting and effects: https://developers.meta.com/horizon/design/lighting-and-effects/ - Library of Congress HABS/HAER/HALS: https://www.loc.gov/pictures/item/2009632512/ · Swain-Mitchell House https://www.loc.gov/item/ma0420/ · Hadwen House https://www.loc.gov/item/ma0341/ ## Vision Pro - 80 Level, UE full-immersion support: https://80.lv/articles/unreal-engine-will-get-support-for-apple-vision-pro-s-full-immersion - Epic forums, visionOS issues and Epic reply (Jan 2026): https://forums.unrealengine.com/t/collection-of-visionos-26-2-and-vision-pro-issues-and-hopes-for-any-timeline-to-resolve-them/2691226 - Epic, UE 5.8 release notes: https://dev.epicgames.com/documentation/unreal-engine/unreal-engine-5-8-release-notes - Unity PolySpatial visionOS: https://docs.unity3d.com/Packages/[email protected]/manual/index.html - Apple, fully immersive Metal: https://developer.apple.com/documentation/compositorservices/drawing-fully-immersive-content-using-metal · WWDC24: https://developer.apple.com/videos/play/wwdc2024/10092/ ## Profiling - Epic, Trace quick start: https://dev.epicgames.com/documentation/unreal-engine/trace-quick-start-guide-in-unreal-engine - Epic, Memory Insights: https://dev.epicgames.com/documentation/unreal-engine/memory-insights-in-unreal-engine - Epic, LLM: https://dev.epicgames.com/documentation/en-us/unreal-engine/using-the-low-level-memory-tracker-in-unreal-engine - Epic, stat commands: https://dev.epicgames.com/documentation/en-us/unreal-engine/stat-commands-in-unreal-engine - Meta, VRC.Quest.Performance.1: https://developers.meta.com/horizon/resources/vrc-quest-performance-1/ - Meta, performance optimisation (Unreal): https://developers.meta.com/horizon/documentation/unreal/po-perf-opt-mobile/ - Meta, OVR Metrics Tool: https://developers.meta.com/horizon/documentation/unreal/ts-ovrmetricstool/ · MQDH https://developers.meta.com/horizon/documentation/unreal/ts-mqdh-logs-metrics/ · RenderDoc https://developers.meta.com/horizon/documentation/native/android/ts-renderdoc-for-oculus/ · Insights on Quest https://developers.meta.com/horizon/documentation/unreal/ts-unreal-insights-ue5/ - Android GPU Inspector: https://developer.android.com/agi - Epic, MetaHuman LOD specs: https://dev.epicgames.com/documentation/metahuman/platform-support-and-lod-specifications-for-metahumans · https://dev.epicgames.com/documentation/metahuman/controlling-metahuman-levels-of-detail-lods-in-unreal-engine ## Grooms - Epic, Groom Platform Support: https://dev.epicgames.com/documentation/unreal-engine/groom-platform-support-in-unreal-engine - Epic, Groom Scalability and Performance: https://dev.epicgames.com/documentation/unreal-engine/groom-scalability-and-performance-with-unreal-engine - Epic, Houdini Groom Starter/Advanced Kits, MetaHuman for Houdini, Parametric Hairstyle Generator: https://dev.epicgames.com/documentation/metahuman/houdini-groom-starter-kit · https://dev.epicgames.com/documentation/metahuman/houdini-groom-advanced-kit · https://dev.epicgames.com/documentation/metahuman/metahuman-for-houdini · https://dev.epicgames.com/documentation/metahuman/parametric-hairstyle-generator - SideFX, Advanced grooming tips and Houdini to Unreal: https://www.sidefx.com/tutorials/advanced-grooming-tips-and-houdini-to-unreal-engine-tutorial/ - NHA Cased Photographs Collection: https://nha.org/research/the-collections/finding-aid/guide-to-the-cased-photographs-collection-circa-1845-1875/ - Mark Campbell, Self-Instructor in the Art of Hair Work (1867): https://www.gutenberg.org/files/38658/38658-h/38658-h.htm - FIT Fashion History Timeline: https://fashionhistory.fitnyc.edu/1840-1849/ - Victorian Web, women's hairstyles: https://victorianweb.org/art/costume/nunn10.html - Shenandoah beard: https://en.wikipedia.org/wiki/Shenandoah_(beard) - WVU Libraries, men's facial hair: https://news.lib.wvu.edu/2015/06/01/fashion-forward-mens-facial-hair-of-the-late-1800s/ ## Mocap - Epic, MetaHuman animation from mono video: https://dev.epicgames.com/documentation/metahuman/metahuman-animation-from-mono-video-capture-in-unreal-engine - Epic, MetaHuman Animator 01–03 and capture guidelines: https://dev.epicgames.com/documentation/metahuman/metahuman-animator-performance-capture-guidelines-in-unreal-engine - CG Channel, free markerless plugin (June 2026): https://www.cgchannel.com/2026/06/get-the-free-metahuman-animator-markerless-mocap-plugin/ - Epic, IK Rig retargeting: https://dev.epicgames.com/documentation/unreal-engine/ik-rig-animation-retargeting-in-unreal-engine - Rokoko Academy: https://www.rokoko.com/academy - Movella/Xsens Live Link plugin: https://base.xsens.com/s/article/Xsens-Unreal-Live-Link-Plugin-UE5 - SAG-AFTRA 2025 Interactive Media Agreement: https://www.sagaftra.org/contracts-industry-resources/interactive/2025-interactive-media-video-game-agreement ## AI mind and local inference - LlamaIndex: https://docs.llamaindex.ai · LangChain RAG: https://python.langchain.com/docs/tutorials/rag/ · Haystack: https://docs.haystack.deepset.ai · pgvector: https://github.com/pgvector/pgvector - Ragas: https://docs.ragas.io · DeepEval: https://deepeval.com/docs · promptfoo joins OpenAI ⚠️: https://www.promptfoo.dev/blog/promptfoo-joining-openai/ - NeMo Guardrails: https://github.com/NVIDIA-NeMo/Guardrails · Llama Guard 4: https://huggingface.co/meta-llama/Llama-Guard-4-12B - faster-whisper: https://github.com/SYSTRAN/faster-whisper · whisper.cpp: https://github.com/ggml-org/whisper.cpp · Deepgram: https://developers.deepgram.com/docs/live-streaming-audio - Kokoro-82M: https://huggingface.co/hexgrad/Kokoro-82M · Piper: https://github.com/OHF-Voice/piper1-gpl · XTTS licence issue: https://github.com/coqui-ai/TTS/issues/3490 - NVIDIA Audio2Face-3D: https://github.com/NVIDIA/Audio2Face-3D - llama.cpp: https://github.com/ggml-org/llama.cpp · Ollama: https://ollama.com · LM Studio: https://lmstudio.ai · vLLM: https://docs.vllm.ai · TensorRT-LLM: https://github.com/NVIDIA/TensorRT-LLM · NIM: https://developer.nvidia.com/nim - Qwen 3.6 / 3.8 ⚠️: https://qwen.ai/blog?id=qwen3.6-35b-a3b · https://github.com/QwenLM/Qwen3.8 - Gemma 4 model card: https://ai.google.dev/gemma/docs/core/model_card_4 - gpt-oss: https://github.com/openai/gpt-oss - Mistral Small 4: https://huggingface.co/mistralai/Mistral-Small-4-119B-2603 - Meta Muse Glimmer ⚠️: https://venturebeat.com/technology/meta-returns-to-open-source-with-muse-glimmer-an-apache-2-0-licensed-30b-parameter-ai-model-optimized-for-agents-available-now - RTX 5090 local LLM benchmarks (single blog) ⚠️: https://openclawdc.com/blog/best-local-llm-rtx-5090/ - SillyTavern: https://github.com/SillyTavern/SillyTavern · docs https://docs.sillytavern.app · remote-connection warning https://docs.sillytavern.app/usage/remoteconnections/ · World Info https://docs.sillytavern.app/usage/core-concepts/worldinfo/ - KoboldCpp: https://github.com/LostRuins/koboldcpp · text-generation-webui: https://github.com/oobabooga/text-generation-webui · Open WebUI licence: https://docs.openwebui.com/license/ Used by: [[Unreal — Tutorials]] · [[Grooms — Tutorials]] · [[Mocap — Tutorials]] · [[AI Mind — Tutorials]]