mainnet-2026-mar-09

🚨 This is a mandatory client release for Mainnet and Chronos. Please upgrade as soon as possible

What's Changed

• Fix snapshot build failing for branch names with slashes in #3752
• update yamux 0.13.9 → 0.13.10 and bump binary versions to 0.1.7 in #3753

Build variants

There are two versions of x86-64 builds for Ubuntu and Windows:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only

Farmer builds with -rocm suffix are for plotting with AMD GPUs.

Full Changelog: mainnet-2026-feb-28...mainnet-2026-mar-09

mainnet-2026-feb-28

🚨 This is a client Release for Mainnet and Chornos. Please upgrade as soon as possible

What's Changed

• update yamux 0.13.8 → 0.13.9 in #3749

Full Changelog: mainnet-2026-jan-20...mainnet-2026-feb-28

runtime-mainnet-2026-feb-02

Runtime upgrade for mainnet and chronos with spec version 9

What's Changed

• Stable2503 in #3735
• migrate to wasm32v1-none target from wasm32-unknown-unknown in #3736
• Offline operator detections: Reduce the tau from 1% to 0.5% in #3742
• ensure dst_location does not allow xdm transfers to zero account on substrate as well by in #3744

Chronos Upgrade:
https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.chronos.autonomys.xyz%2Fws#/explorer/query/0x8c9a2717d19984ff916d3806882068f4999593a5dcbc6c4fcdcb94c5166a8529

Mainnet Upgrade:
https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.mainnet.autonomys.xyz%2Fws#/explorer/query/0xd0b796c393b893b325f245caf4395e43af4cc5e6c0dd26fd188cd25c1f19f67a

domain-genesis-storage-mainnet-2026-feb-02

Mainnet and Chronos EVM release with spec version 3

What's Changed

• Stable2503 in #3735
• migrate to wasm32v1-none target from wasm32-unknown-unknown in #3736
• ensure dst_location does not allow xdm transfers to zero account on substrate as well in #3744

Chronos EVM upgrade: https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.chronos.autonomys.xyz%2Fws#/explorer/query/0x3e4114a55b996f11166595f52c575155581af070e7e9567b800cb90e7f9a4e3f

Mainnet EVM Upgrade: https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.mainnet.autonomys.xyz%2Fws#/explorer/query/0x43cdc5f28dbbd0be4135979439d8444d48a9bbd9a547c5612546a237864894b1

Full Changelog: domain-genesis-storage-mainnet-2025-dec-16...domain-genesis-storage-mainnet-2026-feb-02

mainnet-2026-jan-20

🚨 This is a mandatory client release for Mainnet. Please upgrade as soon as possible

What's Changed

• Stable2503 in #3735
• migrate to wasm32v1-none target from wasm32-unknown-unknown in #3736
• upgrade to libp2p 0.56.0 in #3737

Build variants

There are two versions of x86-64 builds for Ubuntu and Windows:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only

Farmer builds with -rocm suffix are for plotting with AMD GPUs.

Full Changelog: mainnet-2025-dec-02...mainnet-2026-jan-20

chronos-2026-jan-15

What's Changed

• upgrade to libp2p 0.56.0 in #3737

Build variants

There are two versions of x86-64 builds for Ubuntu and Windows:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only

Farmer builds with -rocm suffix are for plotting with AMD GPUs.

Full Changelog: chronos-2026-jan-05...chronos-2026-jan-15

chronos-2026-jan-05

🚨 This is a mandatory client release for Chronos. Please upgrade as soon as possible

What's Changed

• Upgrade substrate to 2503 in #3735

Build variants

There are two versions of x86-64 builds for Ubuntu and Windows:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only

Farmer builds with -rocm suffix are for plotting with AMD GPUs.

Full Changelog: chronos-2025-nov-07...chronos-2026-jan-05

domain-genesis-storage-mainnet-2025-dec-16

Mainnet EVM release with spec version 2

What's Changed

• Add EVM transporter precompile for EVM to Consensus transfers in #3714

Full Changelog: domain-genesis-storage-mainnet-sep-02...domain-genesis-storage-mainnet-2025-dec-16

mainnet-2025-dec-02

What's Changed

• Improve farmer piece cache writing performance in #3682
• Fix farmer segment header cache index check in #3720
• Upgrade rust-kzg to reduce farmer stack overflows in #3716

Build variants

There are two versions of x86-64 builds for Ubuntu and Windows:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only

Farmer builds with -rocm suffix are for plotting with AMD GPUs.

Full Changelog: mainnet-2025-aug-20...mainnet-2025-dec-02

runtime-mainnet-2025-dec-02

Runtime upgrade for Mainnet Consensus with spec version 8

What's Changed

• Offline operator detection in #3711
• Deactivate and Reregister operators through Sudo in #3699

Full Changelog: runtime-mainnet-2025-aug-26...runtime-mainnet-2025-dec-02

Deployed to Mainnet: polkadot-js Subscan