0xPolygon/bor - v2.8.0 New

Published: May 14, 2026
MAINNET Deadline: May 21, 2026

Release Summary

Bor version v2.8.0 has been released, introducing the required changes for the upcoming Chicago hardfork.

This hardfork updates the gas pricing for selected EVM opcodes and precompiles. The goal is to better align gas costs with their actual execution cost, which helps improve and maintain network stability.

This is a mandatory update. All validators, RPC providers, node operators, and infrastructure partners must upgrade their Bor nodes before the hardfork activation block to remain in sync with the network.

Activation Details:
Network: Mainnet
Activation Block: 87218600
Target Time: 2026-05-21 14:00 UTC

Release Notes

This release includes the changes required for the upcoming Chicago hardfork that updates gas pricing for selected EVM opcodes and precompiles. These changes improve gas-cost alignment with execution cost and help maintain network stability.

All validators, RPC providers, node operators, and infrastructure partners should upgrade their Bor nodes before the hardfork activation block.

## Activation

| Network | Activation block | Target time           |
|---------|------------------|-----------------------|
| Mainnet | `87218600`       | 2026-05-21 14:00 UTC  |


**Full Changelog**: https://github.com/0xPolygon/bor/compare/v2.7.3...v2.8.0

Links

Back to 0xPolygon/bor releases