Changelog¶

The format of this changelog is based on Keep a Changelog. Versions follow Calendar Versioning.

2026.8.28¶

Added¶

• Add ypb play command to play past moments in a web player with dash.js
• Add --ui flag to serve to also serve the web player
• Add mock playback (ypb mockplay command and ypb-mock container image) for testing without YouTube
• Add id and start attributes to the Period element in generated MPDs
• Add suggestedPresentationDelay, minimumUpdatePeriod, publishTime, and Location to dynamic MPDs
• Add bandwidth to Representation from the stream total bitrate
• Add MoreInformationURL to ProgramInformation in generated MPDs

Changed¶

• Build Go binaries into the build folder
• Increase HTTP client timeout to 90 seconds and retry count to 5

Fixed¶

• Parse times with two hyphens (--) as an interval separator
• Avoid http: superfluous response.WriteHeader call error
• Reject unconsumed trailing input in interval expressions

2026.8.5¶

Added¶

• Add --latency option and latency query parameter on the /mpd endpoint for live-streaming latency correcting
• Add outputName to /mpd JSON response

Changed¶

• Migrate documentation from mdBook to Zensical
• Rework input interval and moment validation

2026.7.27¶

Fixed¶

• Fix now at start rejection when --now is set

Changed¶

• Resolve now to pinned time at parse time when --now is set
• Reject future start and end times at parse time

2026.7.26¶

Added¶

• Add --now flag and YPB_NOW to pin the current time (#9)
• Add compose.yaml to the ypb-compose OCI artifact

Changed¶

• Binary is now built with CGO_ENABLED=0

2026.7.23¶

Added¶

• CORS support for browser requests
• Ypb binary container image

Changed¶

• Change default port from 8080 to 9000
• Move playback, fetchers, info, and segment packages to root level

2026.7.13¶

Changed¶

• Group adaptations sets by codec family in MPEG-DASH MPD files

2026.7.12¶

Fixed¶

• Update dump format parsing and base URL handling (#7)

Added¶

• Accept passing yt-dlp options in most commands

2026.6.15¶

Changed¶

• Supress console windows on Windows

2026.6.11¶

Added¶

• Add playback and stream public packages
• Add parser for fractional seconds
• Add /info endpoint returning basic info about YouTube live stream

Fixed¶

• Set MPD@availabilityStartTime to now for dynamic DASH manifests

Changed¶

• Use yt-dlp’s --write-info-json to dump info JSON
• Change license from MIT to GPLv3

2026.2.24¶

Added¶

• Accept open-ended interval in /mpd/ endpoint to compose dynamic MPD

Fixed¶

• Pin start-up time as now in strict mode (download and capture commands) (#5)

Changed¶

• Rename /rewind/ endpoint to /mpd/
• Rename /videoplayback/ endpoint to /segments/
• Normalize MPDs to be playbable in Shaka player
• Avoid downloading same segment in capture timelapse with small intervals
• Switch to custom text progress bar in capture timelapse

2026.2.18¶

Changed¶

• Retry on connection errors (“connection reset by peer”, “connection timed out”, etc)
• Print standard output and error from external commands directly (#2)

2026.2.16¶

Added¶

• New capture frame command to capture a single frame
• New capture timelapse command to capture multiple frames

Fixed¶

• Incorrect 12-hour format (changed to 24-hour) in output filenames

Changed¶

• Rework CommandRunner to accept functional options

2026.2.12¶

Fixed¶

• Incorrect parsing of ‘now’ in interval expressions (#1)

2026.2.10¶

First release.