# Changelog of YouTube Thumbnail Downloader (`parsebird/youtube-thumbnail-downloader`) Actor

- **URL**: https://apify.com/parsebird/youtube-thumbnail-downloader/changelog.md
- **Full Actor documentation**: https://apify.com/parsebird/youtube-thumbnail-downloader.md

## Changelog

### \[1.0] - 2026-05-14

#### Added

- Initial release
- Bulk YouTube thumbnail downloading from CDN
- Support for all YouTube URL formats (watch, youtu.be, shorts, embed, /v/)
- Quality selection: maxresdefault, sddefault, hqdefault, mqdefault
- Automatic fallback to lower quality when requested resolution unavailable
- Placeholder image detection (grey 1KB placeholder vs real thumbnail)
- Key-value store saving with `{videoId}_{quality}` keys
- Pay-per-event pricing for `thumbnail-downloaded` events