ckb 0.203.0 (88d1126 2025-10-22)

Highlights

BREAKING: #4910 introduces breaking changes to the Rust SDK. There's a tool to migrate old codes: https://github.com/driftluo/ckb-gen-type-migrate

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9,690	v0.119.0
mainnet	ckb2023 since epoch 12,293	v0.200.0

See how to connect to various chains in Wiki.

Default assume valid target

• Mainnet: 0x75832aee642a94a2f8cfebe566158f5a1592e8c7625a9f9daf845dbddd2cd7d7
• Testnet: 0xecdcb715a51a8e4e428231d8969bf473e2ba914d2c58ead0a65b892c68779822

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP
Docker			dockerhub

Deprecation Notice: CentOS has reached its EOL, we will stop providing CentOS binaries in the future. Please use other platforms or build from source.

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.202.0

Compare changes in GitHub

Features

• #4891: Hole punching protocol metrics (@driftluo)
• #4888: Add 2 outbound block-relay-only connections (@zhangsoledad)
• #4910: Impl from/into for gen-type (@driftluo)
• #4920: Enhance scriptHashType serialization logic (@zhangsoledad)

Bug Fixes

• #4895: NetRpcImpl fix error handling for add_node and remove_node (@eval-exec)

Improvements

• #4970: Set strum default-features to false (@eval-exec)

• #4946: Rich-indexer: keep rocksdb SecondaryDB sync before read (@eval-exec)

• #4972: Limit the size of filters field in message BlockFilters in GetBlockFiltersProcess (@Officeyutong)

  This PR limits size of filters field to 1.8MB, to avoid the frame sended by tentacle being too large (reaches 2MB) causing full CKB nodes disconnects light-client nodes

ckb 0.203.0-rc3 (274c460 2025-10-20)

This is an RC version to preview the changes in the next release.

See #4960 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9,690	v0.119.0
mainnet	ckb2023 since epoch 12,293	v0.200.0

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.202.0

Compare changes in GitHub

ckb 0.203.0-rc2 (b3db8e4 2025-10-14)

This is an RC version to preview the changes in the next release.

See #4960 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9,690	v0.119.0
mainnet	ckb2023 since epoch 12,293	v0.200.0

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.202.0

Compare changes in GitHub

ckb 0.203.0-rc1 (fe23a53 2025-09-25)

This is an RC version to preview the changes in the next release.

See #4960 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9,690	v0.119.0
mainnet	ckb2023 since epoch 12,293	v0.200.0

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.202.0

Compare changes in GitHub

ckb 0.202.0 (d0a6c95 2025-06-11)

Highlights

@driftluo has added a hole punching protocol to address NAT traversal issues. This feature will make many nodes publicly accessible, significantly improving network availability. For more details, see #4873.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

See how to connect to various chains in Wiki.

Default assume valid target

• Mainnet: 0x404b0dde051c49ea989fbc85c86aac6aba0f9ce38f5cdbfdec23493fb8b52e80
• Testnet: 0xe68d17c4c2b5f5fba7b9af2875d40f2da4b506e9b46930e9774f18a3d9b79381

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP
Docker			dockerhub

Deprecation Notice: CentOS has reached its EOL, we will stop providing CentOS binaries in the future. Please use other platforms or build from source.

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.201.0

Compare changes in GitHub

Features

• #4883: Use json array stream to handle jsonrpc batch request (@quake)
• #4878: Update DaoCalculator so it can be used in light client (@Officeyutong)
• #4873: Add a hole punching protocol try use on nat traversal (@driftluo)

ckb 0.202.0-rc1 (093ff73 2025-06-06)

This is an RC version to preview the changes in the next release.

See #4892 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.201.0

Compare changes in GitHub

ckb 0.201.0 (b7a95ac 2025-04-02)

Highlights

This release has fixed WASM build failure and included several improvements.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

See how to connect to various chains in Wiki.

Default assume valid target

• Mainnet: 0xaf83c61fc14e6aa49111e18e3c466cf0923dfe1f4c8e91ab8c853625fb745c4c
• Testnet: 0x60dce52f616ca2d98f5e97727cac16a9641e7ba388127904e993152ca51dbcb9

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP
Docker			dockerhub

Deprecation Notice: CentOS has reached its EOL, we will stop providing CentOS binaries in the future. Please use other platforms or build from source.

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.200.0

Compare changes in GitHub

Fixings

• #4825: Fix make wasm build failed by error[E0521]: borrowed data escapes outside of closure (@eval-exec)

Improvements

• #4820: Improve assume-valid-target info logs (@janx)
• #4818: Upgrade rust-toolchain from 1.81.0 to 1.85.0, Upgrade rust edition from 2021 to 2024 (@eval-exec)
• #4832: Centralize dependencies with cargo autoinherit to improve CKB workspace maintainability (@eval-exec)

ckb 0.201.0-rc2 (f35032b 2025-03-25)

This is an RC version to preview the changes in the next release.

See #4857 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.201.0-rc1

Compare changes in GitHub

ckb 0.201.0-rc1 (e96261f 2025-03-24)

This is an RC version to preview the changes in the next release.

See #4857 for details.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.200.0

Compare changes in GitHub

ckb 0.200.0 (52c2be1 2025-03-05)

Highlights

This release will start the process to activate CKB Edition Meepo (2024) on the Mainnet.

Compatibility Table

Network	Consensus Version	Minimal CKB Version
dev	ckb2023 since epoch 0
preview	ckb2023 since epoch 0	v0.119.0
testnet	ckb2023 since epoch 9690	v0.119.0
mainnet	ckb2021 since epoch 5414 †	v0.103.0

† ckb2023 mainnet activation will start since epoch 12,293

See how to connect to various chains in Wiki.

Default assume valid target

• Mainnet: 0x216095bfc3bb68e7509db4b3f98b105ac5565586876a795a9c5c3d0dfe134cb5
• Testnet: 0xd92fe833fd53c6e0c7f05516609c3bbf4777aa05d016523cf1ff8aeaeec6fc13

Downloads

OS	Arch	Runtime Dependencies	Package	Sign
macOS	x64	macOS 10.15 or above	zip	PGP
macOS (Portable)	x64	macOS 10.15 or above	zip	PGP
macOS	ARM64	macOS 10.15 or above	zip	PGP
macOS (Portable)	ARM64	macOS 10.15 or above	zip	PGP
Linux	x64	glibc, libstdc++	tarball	PGP
Linux (Portable)	x64	glibc, libstdc++	tarball	PGP
CentOS	x64	glibc, libstdc++	tarball	PGP
CentOS (Portable)	x64	glibc, libstdc++	tarball	PGP
Windows	x64	VC++ Redistributable	zip	PGP
Linux	ARM64	glibc, libstdc++	tarball	PGP
Docker			dockerhub

Deprecation Notice: CentOS has reached its EOL, we will stop providing CentOS binaries in the future. Please use other platforms or build from source.

The .asc files are signatures. It is wise and more secure to check out for the files integrity.

Try the portable variants if the binaries complains about illegal instructions.

Changes since v0.121.0

Compare changes in GitHub

Features

• #4807: Activate CKB Edition Meepo (2024) on the Mainnet (@zhangsoledad)

  This is a breaking change of consensus once activated.

• #4800: Implement nodes filter with P2P transport service types (@driftluo)

• #4793: Mark DNS address connected time on peer store (@driftluo)

Improvements

• #4795: NetRpcImpl::get_peers return Remoteaddress.addresses without duplicates (@eval-exec)

  This is a breaking change of RPC.

• #4801: Upgrade openssl from 0.10.68 to 0.10.70, fix RUSTSEC-2025-0004 (@eval-exec)

• #4785: Improving spawn and exec syscalls (@mohanson)