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YouTube 4K Downloader v18.1.2 - Playlist Support & Professional DMG Installer
YouTube 4K Downloader v18.1.2
🎉 Major Update: Full Playlist Support + Professional DMG Installer
This release brings two major features: complete YouTube playlist downloading and a polished macOS installer experience.
✨ What's New
🎬 Playlist Support
- Download entire playlists - Paste any YouTube playlist URL and download all videos
- Automatic retry logic - Failed videos are retried up to 3 times with detailed error reporting
- Progress tracking - See which video is downloading (e.g., "Downloading 5/23")
- Individual error handling - One failed video won't stop the entire playlist
- Detailed activity log - See exactly what's happening with each video
📦 Professional DMG Installer
- Drag-to-Install interface - Beautiful background with arrow guiding installation
- Custom volume icon - YouTube logo appears on mounted DMG
- README included - Quick-start instructions right in the installer
- One-step installation - Just drag to Applications folder
🐛 Bug Fixes
- Fixed Help button emoji encoding (❓ now displays correctly)
- Fixed Help window toggle behavior (clicking again closes it)
- Fixed playlist download retry logic with detailed error reporting
- Fixed README.md UTF-8 encoding issues
- Improved error messages for failed downloads
📦 Installation
- Download
YouTube.4K.Downloader.v18.1.2.dmgbelow - Open the DMG file
- Drag the app to the Applications folder
- First launch: See Security Note below
🎬 Using Playlist Downloads
- Copy a YouTube playlist URL (e.g.,
https://www.youtube.com/playlist?list=PLxxxxx) - Paste into the app and click Analyze
- Select your preferred quality
- Click Download - all videos download automatically!
The app handles:
- Public playlists
- Unlisted playlists (if you have the link)
- Mix playlists
- Channel video lists
💻 System Requirements
- macOS 10.13 (High Sierra) or later
- Apple Silicon (M1/M2/M3/M4) or Intel Mac
- ~200MB disk space
🔒 Security Note
The app is ad-hoc signed (not notarized by Apple). On first launch, macOS will block it. Use one of these methods to open:
Method 1: System Settings (Recommended)
- Double-click the app (it will be blocked)
- Open System Settings → Privacy & Security
- Scroll down to find "YouTube 4K Downloader was blocked"
- Click Open Anyway
- Enter your password if prompted
Method 2: Right-Click
- Right-click the app → Select Open
- Click Open in the dialog
Method 3: Terminal
xattr -cr /Applications/YouTube\ 4K\ Downloader.appAfter the first launch, the app will open normally.
📋 Full Changelog
See CHANGELOG.md for complete version history.
Full Changelog: v18.0.8...v18.1.2