nixamp 0.9 fixes silent CNN stream bug, adds auto DNS naming and smarter IPTV playback

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Developer media server nixamp released versions 0.7.36 through 0.9.3 in a single day, prompted by a bug where CNN streamed for twelve hours with no audio or video. The root cause was ffmpeg's stderr pipe filling up and blocking all output, because Node.js only reads piped streams that are actively flowing — a fix now drains stderr for every spawned ffmpeg process. Late-joining viewers were also stalling due to missing buffered content; the fix delivers the last six seconds from a fragment boundary, reducing stalls from six per thirty seconds to zero in Chrome tests. Large IPTV playlists with up to three thousand entries are now organized into named catalogs sorted by group, with live channels starting on first click and stopping a minute after the last viewer exits. Servers can now automatically obtain a subdomain under nixamp.com along with a Let's Encrypt wildcard certificate via DNS-01 challenge, eliminating the need to manually configure DNS records or copy certificates.

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