UE 5.8 primary sources

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Verified 2026-07-19.

Enhanced Input
Enhanced Input API
ETriggerEvent API
UEnhancedInputComponent API
Add Mapping Context Blueprint API
UEnhancedInputUserSettings API
UEnhancedInputDeveloperSettings API
UPlayerMappableKeySettings API
Register Input Mapping Context
Save Settings
Unreal Engine 5.8 Release Notes

Version note: UE 5.8 unifies Enhanced Input and Common Input/UI workflows and fixes state loss and re-firing around mapping rebuilds. Epic's current APIs expose UEnhancedInputUserSettings, player-mappable profiles, mapping rows/slots, failure reasons, apply, and save operations. The gameplay-buffer procedure in this skill is an explicit project-layer pattern, not a claim that Enhanced Input provides a built-in precondition buffer.

Sources and version

Documentation target: Unreal Engine 5.8. Confirm behavior in your installed engine; no per-procedure test result is implied.

Canonical reference and AI copy

unreal-enhanced-input/references/sources.md

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