Updates for Chrome Canary 23-06-2026

[Elchi3]

The https://collector.openwebdocs.org project (v10.19.1) found new features shipping in Chrome Canary 151. Currently, the collector covers about 90% of BCD, so the following list might not be exhaustive.

See also https://chromestatus.com/roadmap

This PR marks the following features as "preview" (bold are new features in BCD):

• api.Blob.textStream
• api.Request.textStream
• api.Response.textStream
• api.SpeechRecognition.unspokenPunctuation
• api.WebTransportDatagramDuplexStream.incomingMaxBufferedDatagrams
• api.WebTransportDatagramDuplexStream.outgoingMaxBufferedDatagrams
• css.properties.line-clamp
• css.properties.line-clamp.auto
• css.properties.line-clamp.no-ellipsis
• css.properties.line-clamp.none
• css.properties.position-anchor.normal
• css.properties.ruby-overhang
• css.properties.ruby-overhang.auto

[github-actions]

Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).