KaiOS might be a bit more popular than Sonos. We know about 2 links to it since March 2021 and only 2 links to Sonos. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Just updated app and speaker software, haven’t noticed anything yet. Waiting for changelog on: https://support.sonos.com/s/article/3521. Source: over 2 years ago
My speakers also got an update, but the website still says that 12.2.2. Is the latest release? https://support.sonos.com/s/article/3521. Source: about 3 years ago
What website did you go to? KaiOS is not dangerous. I'm dubious that their official site (kaiostech.com) would have trojans or malware on it... Source: 7 months ago
LetsEncrypt ISRG Root X1's IdenTrust DST Root CA X3 cross-signing has come to an end. This means that any device/browser (including KaiOS devices) which doesn't yet trust the ISRG Root X1 will no longer trust any site with a LetsEncrypt certificate (which, by the way, includes kaiostech.com!). Source: over 2 years ago
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