henry pushed to branch base-browser-147.0a1-16.0-2 at The Tor Project / Applications / Tor Browser Commits: 5494b673 by henry at 2026-02-10T12:39:39+00:00 BB 44520: Disable Experiment API (Firefox Labs). (cherry picked from commit 7d6331a534130b279c08d10d048f5c6c647a23d1) Co-authored-by: Henry Wilkes <henry@torproject.org> - - - - - 1 changed file: - toolkit/components/nimbus/ExperimentAPI.sys.mjs Changes: ===================================== toolkit/components/nimbus/ExperimentAPI.sys.mjs ===================================== @@ -396,10 +396,19 @@ export const ExperimentAPI = new (class { } get enabled() { + if (AppConstants.BASE_BROWSER_VERSION) { + // Do not allow ExperimentsAPI (which covers either "labs", "studies" or + // "rollouts") in Base Browser. + return false; + } return this.studiesEnabled || this.labsEnabled; } get labsEnabled() { + if (AppConstants.BASE_BROWSER_VERSION) { + // Do not allow "Firefox Labs" in Base Browser. + return false; + } return Services.policies.isAllowed("FirefoxLabs"); } View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/5494b673... -- View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/5494b673... You're receiving this email because of your account on gitlab.torproject.org.