diff --git a/README.md b/README.md
index a61c9eb..6579c75 100644
--- a/README.md
+++ b/README.md
@@ -6,24 +6,26 @@ This repository hosts the [home page of the Media Working Group](https://www.w3.
 
 Specifications published by the Media Working Group are developed in separate GitHub repositories:
 
-* [Audio Session](https://github.com/w3c/audio-session)
-* [Autoplay Policy Detection](https://github.com/w3c/autoplay/) - ([WPT](https://wpt.fyi/results/autoplay-policy-detection))
-* [Encrypted Media Extensions (EME)](https://github.com/w3c/encrypted-media/) - ([WPT](https://wpt.fyi/results/encrypted-media))
-  * [Encrypted Media Extensions Initialization Data Format Registry](https://github.com/w3c/encrypted-media/tree/main/format-registry/initdata)
-  * [Encrypted Media Extensions Stream Format Registry](https://github.com/w3c/encrypted-media/tree/main/format-registry/stream)
-  * [Encrypted Media Extensions HDCP Version Registry](https://github.com/w3c/encrypted-media/)
-* [Media Capabilities](https://github.com/w3c/media-capabilities/) - ([WPT](https://wpt.fyi/results/media-capabilities))
-* [Media Playback Quality](https://github.com/w3c/media-playback-quality/) - ([WPT](https://wpt.fyi/results/media-playback-quality))
-* [Media Session](https://github.com/w3c/mediasession/) - ([WPT](https://wpt.fyi/results/mediasession))
-* [Media Source Extensions™ (MSE)](https://github.com/w3c/media-source/) - ([WPT](https://wpt.fyi/results/media-source))
-  * [Media Source Extensions Byte Stream Format Registry](https://github.com/w3c/mse-byte-stream-format-registry)
-  * [WebM Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-webm)
-  * [ISO BMFF Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-isobmff)
-  * [MPEG-2 Transport Streams Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-mp2t)
-  * [MPEG Audio Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-mpeg-audio)
-* [Picture-in-picture](https://github.com/w3c/picture-in-picture/) - ([WPT](https://wpt.fyi/results/picture-in-picture))
-* [WebCodecs](https://github.com/w3c/webcodecs/) - ([WPT](https://wpt.fyi/results/webcodecs))
-  * [WebCodecs Codec Registry](https://github.com/w3c/webcodecs/)
-  * [WebCodecs VideoFrame Metadata Registry](https://github.com/w3c/webcodecs/)
+| Specification | WPT | Horizontal review tracker |
+| ------------- | --- | ------------------------- |
+| [Audio Session](https://github.com/w3c/audio-session) | To do | To do |
+| [Autoplay Policy Detection](https://github.com/w3c/autoplay/) | [WPT](https://wpt.fyi/results/autoplay-policy-detection) | [Issue #30](https://github.com/w3c/autoplay/issues/30) |
+| [Encrypted Media Extensions (EME)](https://github.com/w3c/encrypted-media/) | [WPT](https://wpt.fyi/results/encrypted-media) | [Issue #558](https://github.com/w3c/encrypted-media/issues/558) |
+| - [Encrypted Media Extensions Initialization Data Format Registry](https://github.com/w3c/encrypted-media/tree/main/format-registry/initdata) | |
+| - [Encrypted Media Extensions Stream Format Registry](https://github.com/w3c/encrypted-media/tree/main/format-registry/stream) | |
+| - [Encrypted Media Extensions HDCP Version Registry](https://github.com/w3c/encrypted-media/) | |
+| [Media Capabilities](https://github.com/w3c/media-capabilities/) | [WPT](https://wpt.fyi/results/media-capabilities) | [Issue #226](https://github.com/w3c/media-capabilities/issues/226) |
+| [Media Playback Quality](https://github.com/w3c/media-playback-quality/) | [WPT](https://wpt.fyi/results/media-playback-quality) | |
+| [Media Session](https://github.com/w3c/mediasession/) | [WPT](https://wpt.fyi/results/mediasession) | [Issue #336](https://github.com/w3c/mediasession/issues/336)
+| [Media Source Extensions™ (MSE)](https://github.com/w3c/media-source/) | [WPT](https://wpt.fyi/results/media-source) | [Issue #356](https://github.com/w3c/media-source/issues/356)
+| - [Media Source Extensions Byte Stream Format Registry](https://github.com/w3c/mse-byte-stream-format-registry) | |
+| - [WebM Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-webm) | |
+| - [ISO BMFF Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-isobmff) | |
+| - [MPEG-2 Transport Streams Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-mp2t) | |
+| - [MPEG Audio Byte Stream Format](https://github.com/w3c/mse-byte-stream-format-mpeg-audio) | |
+| [Picture-in-picture](https://github.com/w3c/picture-in-picture/) | [WPT](https://wpt.fyi/results/picture-in-picture) | [Issue #219](https://github.com/w3c/picture-in-picture/issues/219)
+| [WebCodecs](https://github.com/w3c/webcodecs/) | [WPT](https://wpt.fyi/results/webcodecs) | [Issue #784](https://github.com/w3c/webcodecs/issues/784) |
+| - [WebCodecs Codec Registry](https://github.com/w3c/webcodecs/) | |
+| - [WebCodecs VideoFrame Metadata Registry](https://github.com/w3c/webcodecs/) | |
 
-See also [Horizontal Review Status](https://docs.google.com/presentation/d/15KyxeFKx1V5VWbYLK2yELxQQbusfjgVXsADWZHOvIF8/edit)
+See also [Horizontal Review Status](https://docs.google.com/presentation/d/15KyxeFKx1V5VWbYLK2yELxQQbusfjgVXsADWZHOvIF8/edit) slides.