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Official repository for the Polygon Blockchain0xPolygon/bor on GitHub

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Polygon PoSL2/L3 Node Software0xPolygon/bor·5 NovHigh priority

v2.11.0 (opens in a new tab)

v2.11.0 is a hardfork, security and stability release on top of v2.10.3. It's the public release of v2.11.0-priv, which validators and major RPC providers already run. Uburu hardfork.Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·1 OctSecurity

v0.12.1 (opens in a new tab)

Heimdall v0.12.1 is the public counterpart of the private v0.12.1-priv release that delivered the Lugano hardfork, already activated on both networks: Amoy: block 47,105,000 (2026-09-23) · Mainnet: block 54,627,000 (2026-10-01 16:22 UTC) · Node operators still…Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·20 JulRecommended

v0.10.0 (opens in a new tab)

Release candidate on top of v0.9.0, introducing the Ithaca hardfork. Full diff: Highlights. This is a hardfork release. The headline work is the new Ithaca hardfork (autonomous recovery from a producer stall under a pending milestone), gated at a per-network H…Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·14 JulRecommended

v0.10.0-beta (opens in a new tab)

Release candidate on top of v0.9.0, introducing the Ithaca hardfork. Full diff: Highlights. This is a hardfork release. The headline work is the new Ithaca hardfork (autonomous recovery from a producer stall under a pending milestone), gated at a per-network H…Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·17 JunRecommended

v0.9.0 (opens in a new tab)

Heimdall v0.9.0 — Mainnet (Zurich hardfork). Summary. Heimdall v0.9.0 is a mandatory release for all mainnet node operators. It activates the Zurich hardfork at Heimdall block 47,880,000 (estimated Thu June 25th, ~2PM UTC), and ships a large set of features, c…Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·11 JunRecommended

v0.8.2 (opens in a new tab)

Summary. The heimdall v0.8.2 release contains a security/liveness fix for Polygon mainnet, mirroring the v0.8.2-priv private release. Upgrade is recommended for all node operators. Highlights. Block-producer liveness fix in PrepareProposal.Polygon PoS release notes

Polygon PoSL2/L3 Node Software0xPolygon/bor·10 JunRecommended

v0.8.2-beta (opens in a new tab)

Summary. The heimdall v0.8.2-beta release contains a security/liveness fix for Polygon Amoy, mirroring the v0.8.2-beta-priv private release. Upgrade is recommended for all node operators. Highlights. Block-producer liveness fix in PrepareProposal.Polygon PoS release notes