California lawmakers unanimously pass Linux exemption from age-verification law

Aug 30, 2026 10:15 AM - 2 weeks ago 4
Age verification (Image credit: Getty Images)

California’s legislature has passed Assembly Bill 1856, exempting open-source operating systems from the State’s Digital Age Assurance Act months earlier the rule is owed to return effect connected January 1, 2027. The Senate amended the Bill connected August 21 earlier passing it connected the 26th successful a 39-0 vote, pinch the Assembly past accepting these changes successful a concurrence ballot the pursuing day. The amendment ends almost a twelvemonth of uncertainty surrounding whether Linux distributions and SteamOS would beryllium forced to cod personification property data during relationship setup alongside Windows, macOS, iOS, and Android. AB 1856 has now been sent to Governor Gavin Newsom, who signed the original enactment into rule past October.

These amendments redefine the word “operating strategy provider” to exclude immoderate personification aliases entity that distributes an OS aliases exertion “under licence position that licence a recipient to copy, redistribute, and modify the software.” Any package distributed nether the GPL, MIT, BSD, and Apache licenses satisfies that test, which removes the likes of Debian, Fedora, Ubuntu, Arch, and the BSD family from AB 1856’s scope.

A 2nd removal removes package components that aren’t “offered to consumers arsenic a stand-alone executable exertion done a covered exertion store” from the law’s meaning of an application, covering libraries and limitations distributed done package managers for illustration apt and pacman. AB 1856 doesn’t explicitly opportunity that repos aren’t app stores, but a store’s main responsibility nether the rule is to petition an property awesome from the user’s OS supplier and walk it to developers; an exempt open-source OS produces nary signal. A 3rd carve-out excludes storefronts distributing extensions aliases add-ons that tally exclusively wrong a big application, which takes browser hold stores retired of scope.

The amendments to AB 1856 besides region the original meaning of “user,” which read, “a kid that is the superior personification of a device,” and technically classified each instrumentality proprietor successful California arsenic a child. The law’s signaling model depends connected adults declaring their property connected relationship setup, truthful their devices get flagged arsenic 18 and over, but nether that meaning cipher could ever beryllium flagged arsenic an adult.

In addition, lawmakers inserted a caller proviso prohibiting anyone from requesting an property awesome from an OS supplier aliases app shop unless required by law. That closes disconnected imaginable maltreatment of the property API that could person led to it being utilized arsenic a general-purpose information postulation transmission moreover erstwhile property verification wasn’t required. Platforms and developers besides summation a good-faith safe harbor against erroneous signals, protecting them from liability erstwhile age-gating signals are inaccurate.

Windows, macOS, iOS, and Android stay afloat successful scope, pinch property postulation required astatine relationship setup from January 1, 2027. A later July 1, 2027, deadline applies to devices group up earlier January 1. Whether SteamOS is successful scope isn’t yet clear: its Arch-based strategy components are unfastened source, but Valve distributes the image alongside the proprietary Steam client. GrapheneOS, which successful March said it would refuse to comply pinch age-verification mandates, is distributed nether open-source MIT and Apache licenses and now falls extracurricular the law’s scope entirely, though Brazil’s Digital ECA still applies to it.

Assemblymember Buffy Wicks, who wrote some the Digital Age Assurance Act and the AB 1856 amendment, introduced the exemption backmost successful February pursuing disapproval from Linux developers and the Electronic Frontier Foundation.

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Luke James is simply a freelance writer and journalist.  Although his inheritance is successful legal, he has a individual liking successful each things tech, particularly hardware and microelectronics, and thing regulatory. 

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