# NEW FEATURES
-* Based on **youtube-dl 2021.12.17 [commit/5014bd6](https://github.com/ytdl-org/youtube-dl/commit/5014bd67c22b421207b2650d4dc874b95b36dda1)** and **youtube-dlc 2020.11.11-3 [commit/f9401f2](https://github.com/blackjack4494/yt-dlc/commit/f9401f2a91987068139c5f757b12fc711d4c0cee)**: You get all the features and patches of [youtube-dlc](https://github.com/blackjack4494/yt-dlc) in addition to the latest [youtube-dl](https://github.com/ytdl-org/youtube-dl)
+* Based on **youtube-dl 2021.12.17 [commit/5add3f4](https://github.com/ytdl-org/youtube-dl/commit/5add3f4373287e6346ca3551239edab549284db3)** and **youtube-dlc 2020.11.11-3 [commit/f9401f2](https://github.com/blackjack4494/yt-dlc/commit/f9401f2a91987068139c5f757b12fc711d4c0cee)**: You get all the features and patches of [youtube-dlc](https://github.com/blackjack4494/yt-dlc) in addition to the latest [youtube-dl](https://github.com/ytdl-org/youtube-dl)
* **[SponsorBlock Integration](#sponsorblock-options)**: You can mark/remove sponsor sections in youtube videos by utilizing the [SponsorBlock](https://sponsor.ajay.app) API
These are aliases that are no longer documented for various reasons
--avconv-location --ffmpeg-location
+ --clean-infojson --clean-info-json
--cn-verification-proxy URL --geo-verification-proxy URL
--dump-headers --print-traffic
--dump-intermediate-pages --dump-pages
--force-write-download-archive --force-write-archive
--load-info --load-info-json
+ --no-clean-infojson --no-clean-info-json
--no-split-tracks --no-split-chapters
--no-write-srt --no-write-subs
--prefer-unsecure --prefer-insecure