Fact · Dictation in your apps
MDN's compatibility data lists Firefox's support for SpeechRecognition only as preview, not as a numbered stable release.
Checked against its source on October 17, 2026
In the source's own words
“"edge": "mirror", "firefox": { "version_added": "preview" }, "firefox_android": "mirror"”
api/SpeechRecognition.json (MDN browser-compat-data), MDN Web Docs (Mozilla), GitHub, 2026, Firefox support entry.
Open the original- What it measures
- The compatibility record for SpeechRecognition, read on 2026-10-17.
- What it does not show
- The data only states that the version is unknown. Read the Firefox section with the data guidelines, which define preview. The 2022 Mozilla wiki note is cited separately.