They always were Linux-friendly. Some hardware choices like the fingerprint reader were directly related to Linux compatibility. Firmware and UEFI updates have always been available on Linux. They sponsor a lot of FOSS projects (some of them unfortunately linked to nazi dipshits, stirring a lot of controversy, but 99% of them are clean).
They may not have explicitely advertised Linux before, but they dropped a lot of hints.
They always were Linux-friendly. Some hardware choices like the fingerprint reader were directly related to Linux compatibility. Firmware and UEFI updates have always been available on Linux. They sponsor a lot of FOSS projects (some of them unfortunately linked to nazi dipshits, stirring a lot of controversy, but 99% of them are clean).
They may not have explicitely advertised Linux before, but they dropped a lot of hints.