feat: Context Windows sampling with LTX2 models and IC-LoRa guides (CORE-3)#13325

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drozbay wants to merge 32 commits intoComfy-Org:masterfrom

drozbay:20260322a_ltx_contextwin

Commits on Apr 6, 2026

Test implementation for LTX2 context windows
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LTX2 context windows part 2 - Guide aware processing
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LTX2 context windows part 2b - Calculate guide parameters in model code, refactor
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LTX2 context windows part 3 - Generalize guide splitting to windows
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Fix freenoise application for LTXAV context windows, fix audio mapping to context windows
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LTX2 context windows - Fix crash when a window doesn't have a guide index
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LTX2 context windows - Ensure that inplace latent images are retained properly with the retain index list
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LTX2 context windows - Cleanup: latent_start value is required for context windows with guides
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LTX2 context windows - Cleanup: Remove model specific code from BaseModel. Older LTXV model's guides + context_windows will need to be re-implemented but outside the scope of LTX2 changes
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LTX2 context windows - Refactor guide logic from context_windows into LTXAV model hooks
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LTX2 context windows - Cleanup: Simplify IndexListContextHandler standard execute path
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Commits on Apr 11, 2026

LTX2 Context Windows - Collect multimodal methods into WindowingState; Condense execution path to treat all latents as potentially multimodal
drozbay
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Commits on Apr 13, 2026

Commits on Apr 24, 2026

Commits on Apr 26, 2026

Merge branch 'master' into 20260322a_ltx_contextwin
drozbay
authored

Commits on Apr 30, 2026

Clean up model-specific context windows nodes
drozbay
committed

Commits on May 6, 2026