[12] On June 17, 2024 the company announced that it will be transitioning to a non-profit structure under the Proton Foundation.
[20] In August 2024, Proton VPN announced that it had also added the Stealth protocol to its Windows client.
[23][24][25] In January 2020, Proton VPN released its source code on all platforms[26] and had SEC Consult conduct an independent security audit.
[28] In October 2023 technology website Engadget rated Proton VPN as the "best overall" for streaming, gaming, privacy and security.
[29] In January 2024 a comparative review of 10 different VPNs by German technology magazine CHIP rated Proton VPN as their test winner.