If you use Firefox web browser (older than version 128 or ESR 115), root certificate is expiring on March 14th. So, add-ons, DRM playback, etc could break. Please update your Firefox.
#Firefox
blog.mozilla.org/addons/2025/...Root certificate will expire on 14 March — users need to update Firefox to prevent add-on breakage – Mozilla Add-ons Community Blog
On 14 March a root certificate (the resource used to prove an add-on was approved by Mozilla) will expire, meaning Firefox users on versions older than 128 (or ESR 115) ...
