Pi Testnet Upgraded to Protocol 28 Ahead of October Mainnet Upgrade
Pi Network’s Testnet has been upgraded to Protocol 28 following the completion of the Protocol 27 upgrade on Pi Mainnet, according to information shared by X account AYYILDIZ3253.
The Protocol 28 upgrade introduces changes to how the network manages delays in transaction data while adding capabilities intended to support application development and more secure modification of stored data.
The upgrade is part of the preparations for Pi Network’s planned Protocol 28 deployment on Mainnet. Node operators have been given an October 13, 2026, deadline to upgrade their Nodes before the Mainnet network upgrade scheduled for October 16, 2026.
Protocol 28 Brings Changes to Network Data Management
According to the information shared by AYYILDIZ3253, Protocol 28 improves the way Pi’s network handles delays involving transaction data.
The protocol also allows developers to update smart contract clusters simultaneously as they enhance their applications. This capability is intended to allow coordinated changes across smart contract clusters rather than requiring developers to update them individually.
Another change concerns stored data. Protocol 28 enables developers to modify stored data in a more secure manner, according to the information provided in the X post.
The changes are being introduced first on Pi Testnet, giving the network and its developers an environment in which the new protocol can be deployed before the planned Mainnet upgrade.
Node Operators Face October 13 Deadline
Node operators will need to upgrade their Nodes to Protocol 28 by October 13, 2026, according to the announcement shared by AYYILDIZ3253.
The deadline comes three days before the planned Mainnet upgrade on October 16, 2026. Node operators therefore have a defined window to complete the required protocol transition ahead of the Mainnet deployment.
The Testnet upgrade follows the successful completion of Protocol 27 on Pi Mainnet, establishing the sequence described in the announcement: Protocol 27 on Mainnet, followed by Protocol 28 on Testnet and subsequently the planned Protocol 28 upgrade on Mainnet.
Mainnet Upgrade Scheduled for October 16
The next major milestone identified in the announcement is the Protocol 28 network upgrade on Pi Mainnet, scheduled for October 16, 2026.
Until that deployment takes place, the information shared by AYYILDIZ3253 specifically identifies Protocol 28 as operating on Pi Testnet. The announcement does not provide additional details about changes to Pi’s token economics, markets value, exchange availability or other ecosystem developments.
For Node operators, the immediate requirement is to complete the Protocol 28 upgrade by October 13. The planned Mainnet transition is then scheduled to take place on October 16, 2026.
Writer: Victoria HaleTechnology & Blockchain WriterVictoria Hale writes about blockchain technology, digital infrastructure, and the intersection of emerging technologies with finance. Her articles explore how new protocols and systems are shaping the evolving digital economy.She prioritises clarity and accuracy when explaining technical developments to a general audience.
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