YouTube Preview 2025. IMPORTANT - READ DESCRIPTION!Java Script
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Instant video previews in popup player by hovering or clicking video thumbs. IF You are using Ublock origin - uncheck "Malicious URL Blocklist" or "Countries, languages" in Ublock settings or disable filtration in Youtube site only, else miniplayer will not autoplay! This is a fork of Costas' original with Arantius' GM4-Polyfill js.
