Pi Network releases Pi Desktop 0.6.4 with simpler SoloHost remote access

What sources claim

• Pi Network's blog said Pi Desktop 0.6.4 introduces an updated SoloHost remote connection that no longer requires users to open ports on their home networks or change router settings.
• According to the Pi Network blog, version 0.6.4 adds technical checks that run before installation and each time an app starts to validate that each app can only access its own files and network, and the same checks run when an app is first published.
• The Pi Network blog said Pi Mainnet completed its upgrade to Protocol 28 on October 16, 2026, improving how the network handles delays in transaction data and making smart contract maintenance easier for developers.

Still unresolved

• What specific router, network or firewall requirements remain for Pioneers who choose not to opt into the new SoloHost remote connection?
• What changes to transaction handling or smart contract operations did Protocol 28 introduce, and what would confirm them, such as a protocol specification or release notes from the Pi Network team?

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