Releases

This page lists and describes Docker Images created after the public launch.

Creditcoin docker image numbers may not be consecutive since some internal versions are not publicly released. We recommend to always use the latest version number available.

Mainnet Docker Images Releases

Version	Released on	Change
3.66.0-mainnet	2026-05-15	Dependency update Precompile improvements
3.65.0-mainnet	2026-05-15	Dependency update
3.64.0-mainnet	2026-04-15	Added ed25519-verifier precompiled smart contract
3.61.0-mainnet	2026-02-03	Added signature-verifier precompile smart contract Added bn128 precompile smart contracts Migrated pallets Grandpa and Staking Updated dependencies
3.55.0-mainnet*	2025-09-19	Minor node logs display bug fix
3.54.0-mainnet	2025-09-18	Migrating pallet-identity
3.52.0-mainnet	2025-09-16	Introduced Ledger compatibility Introduced "Paged" staking rewards Improved Staking Dashboard user experience Introduced a new CLI for checking validator rewards Updated dependencies to a new stable version of polkadot-sdk (Core, Node, CLI)
3.39.0-mainnet	2025-01-22	Payout Stakers fee reduction. Other fees adjustments Improved dependencies
3.35.0-mainnet	2024-11-06	Improved Blockscout log decoding for EVM to Substrate transfers (precompile calls) Improved dependencies upgrade flow
3.32.0-mainnet	2024-08-28	Added EVM compatibility. Introduced an EVM Explorer (Blockscout) Added Staking Pools support Improved Staking Dashboard user experience Improved CLI user experience Created a precompile to streamline EVM to Substrate transfers Updated CI pipelines to increase efficiency Updated tests (Core, CLI) to increase coverage Updated various dependencies (Core, CLI)

* - minimum recommended version

Testnet Docker Images Releases

Version	Released on	Change
3.125.0-testnet	2026-06-01	Dependency update USC improvements (Prover + attestors)
3.121.0-testnet	2026-05-15	Dependency update Precompiles improvements
3.116.0-testnet	2026-05-05	USC Launch
3.114.0-testnet	2026-05-01	Added the USC protocol layer
3.65.0-testnet	2026-04-24	Dependency update
3.64.0-testnet	2026-04-09	Added ed25519-verifier precompile smart contract
3.61.0-testnet	2026-01-30	Dependency update
3.60.0-testnet	2026-01-19	Added signature-verifier precompile smart contract Added bn128 precompile smart contracts Migrated pallets Grandpa and Staking
3.55.0-testnet	2025-09-18	Minor node logs display bug fix
3.54.0-testnet	2025-09-17	Migrating pallet-identity
3.52.0-testnet	2025-08-11	Increased Payout.stakers to pages of 512 instead of 64
3.48.0-testnet	2025-07-29	Adjustment of EVM base fee back to what they were before 3.42.0 Upgraded dependencies balance.transfer extrinsic was removed Fee estimation of payout.stakers was lowered Ledger support was enabled on Testnet Payout.stakers will now needed to be executed more than once for validators with > 64 nominators New validator nodes will no longer generate network key automatically on start-up.
3.42.0-testnet	2025-03-13	Adjustments to EVM base fee to bring closer to Substrate fees
3.39.0-testnet	2024-11-18	Payout Stakers fee reduction. Other fees adjustments
3.38.0-testnet	2024-11-13	Adjustments to reduce Staking Rewards Claim and other extrinsics' fees
3.35.0-testnet	2024-10-01	Improved Blockscout log decoding for EVM to Substrate transfers (precompile calls) Improved dependencies upgrade flow
3.28.0-testnet	2024-06-07	Improvement on EVM to substrate precompile indexing
3.27.0-testnet	2024-05-22	CLI improvements. Precompile to facilitate EVM to Substrate transfers.
3.24.0-testnet	2024-03-26	Minor CLI Unbound command bug fix.
3.23.0-testnet	2024-03-20	Initial release