A one-page reference of the BrightScript/SceneGraph stack, the SDK channel model (Direct Publisher retired), the DRM-to-format map (Widevine/PlayReady over DASH, AES-128 on HLS, native BrightScript not EME, HDCP 2.2/1.4), the certification performance budget (4 MB app, 15 s launch, 250 ms remote, 8 s content start), and the RAF and Roku Pay (80/20) monetization rules.
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