Change Log

This change log is maintained by src.ts/_admin/update-changelog.ts but may also be manually updated.

ethers/v6.15.0 (2025-07-01 11:24)

Allow non-canonical S values in Signatures moving errors to access-time (#5013; 9944ec9).

ethers/v6.14.4 (2025-06-12 23:16)

Fixed serialization of EIP-7702 transactions with leading 0-bytes (#4916; 389dc03).

ethers/v6.14.3 (2025-05-26 18:55)

Fixed non-normalized yParity on EIP-7702 JSON-RPC responses (#4985; a8803ca).

ethers/v6.14.2 (2025-05-26 18:03)

Fixed call stack overflow in makeError stringify for recursive structures (#4977, #4978; 52a0522).
Explicitly throw error on gunzip failure to prevent uncaught exception (#4873, #4874; fe98f98).
Skip additional receipt fetch for single confirmation requests (#4972; 243cb02).
Update EtherscanProvider to use their v2 API (#4975; 5e09aa1).

ethers/v6.14.1 (2025-05-15 14:17)

Fix JSON-RPC authorizationList signature entries encoded as DATA instead of QUANTITY values (#4916; 135db72).

ethers/v6.14.0 (2025-05-06 22:02)

Remove BlockscoutProvider temporarily until custom error issues are fixed (805a8b3).
EIP-7702 support (#4916; db490e1, e7c1bdf).
Added support for to override fetch init options in the Browser (#3895; 844ae68).
Added EIP-6963 discovery to BrowserProvider (f5469dd).
Accept modern KZG library API while exposing legacy API (#4841; e5036e7).
Added CommunityResourcable to exports (#4776; bca8d1b).

ethers/v6.13.7 (2025-04-25 21:50)

Fix FallbackProvider coalescing call exceptions when backends return slightly different error message (268a0ac).
Fixed Infura BSC network URLs (#4951; d01b4cb).

ethers/v6.13.6 (2025-03-21 18:21)

Implicitly use EIP-7702 if authorizationList is given and non-empty (#4961; e7c1bdf).
Initial EIP-7702 support (#4916; db490e1).
Added support for to override fetch init options in the Browser (#3895; 844ae68).
Added EIP-6963 discovery to BrowserProvider (f5469dd).
Merge: e5036e77 158f5d02 Merge branch 'main' into wip-v6.14 (e7165a6).
tests: squelch the noisy runtime console API event in browser tests (79428fd).
tests: added faucet key environment for browser CI tests (27d42af).
tests: better runtime exception output for browser tests (0beed25).
tests: added more debug endpoints to browser tests (33bbf66).
tests: added JSON-RPC tests to web browser CI (1c0c23c).
tests: added browser tests for sending (afd613a).
tests: debugging browser tests failing to launch (d1baa74).
tests: fix assert call for browser assert (1806bbd).
tests: inlcude more node tests in the browser tests (92fd5d1).
tests: move more tests to dev network (996f30c).
tests: debugging CI browser failure (ce7212d).
tests: debugging CI browser failure (f1821a6).
tests: debugging CI browser failure (cc9119c).
tests: debugging CI browser failure (3ac33f9).
tests: debugging CI browser failure (25b11ee).
tests: debug CI failing (3bcbcae).
tests: added circular support to browser-safe inspect (3854b39).
tests: added browser-safe inspect for tests (e299a31).
tests: fix for browser CI tests (74a68bc).
tests: adding debug info to local JsonPrcProvider (c508538).
tests: temporarily remove QuickNode (499ed8c).
Accept modern KZG library API while exposing legacy API (#4841; e5036e7).
Added CommunityResourcable to exports (#4776; bca8d1b).

ethers/v6.13.5 (2025-01-04 15:26)

Use local dev net for testing Typed API to prevent tests getting throttled (7654ee3).
Fixed bad logic for searching prefetched transactions by hash (#4868; ef3c9bc).
Add newline delimiter to IPC providers for broader support (#4847; 474a8de).

ethers/v6.13.4 (2024-10-10 18:01)

Updated dependencies (1d717ef).
Fixed bug in JSON-RPC error checking (#4827, #4837, #4851; be3e6b1).

ethers/v6.13.3 (2024-09-30 22:08)

Allow CCIP-read to continue during low-level fetch failures (#4842; 1c31f95).

ethers/v6.13.2 (2024-07-25 17:54)

Prevent mutating transactions when signing (#4789; 1a51af8).

ethers/v6.13.1 (2024-06-18 02:09)

Update ws package to address possible DoS vulnerability (a4b1d1f).

ethers/v6.13.0 (2024-06-04 01:01)

Added Options for BrowserProvider (#4707; 33bb0bf).
Fix Result deep toObject when a parent is an Array (#4681; d8cb849).
Added consistent timeout and cancel behaviour to FetchRequest (#4122; a12a739).

ethers/v6.12.2 (2024-05-30 17:24)

Copy EIP-4844 properties during estimateGas and call (#4728; cebe5ee).
Use non-capturing regex for data to prevent memory exhaustion for long strings (#4741; 5463aa0).
Added Base endpointsto EtherscanProvider (#4729; 7e1dc95).

ethers/v6.12.1 (2024-04-30 22:46)

Prevent bad Interface clone when using two different versions of v6 (#4689; 4d2d90f).
Fixed typo in error message for invalid quorum weight (#4149; 45b9b9c).
Added matic-amoy to EtherescanProvider (#4711; 5c8d17a).
Fix JsonRpcProvider ignoring pollingInterval in options (#4644; 7b7be0d).

ethers/v6.12.0 (2024-04-17 01:09)

Added Linea Sepolia network and Infura endpoint (#4655; b4aaab8).
Do not send unsubscribe messages to destroyed Providers (#4678; c45935e).
Get definitive network from InfuraProvider when using InfuraWebSocketProvider (38e32d8).
Better error messages for transaction field mismatch (#4659; 9230aa0).
Added prevRandao to block (#3372; ec6a754).
Added Polygon Amoy testnet (#4645; 1717abb).
Added Chainstack provider (#2741; 014004d).
Added deep conversion to Result for toObject and toArray (#4681; 03bfe2a).
Added EIP-4844 broadcast support (92bad88).
Fix ignored throttle parameters (#4663; 12772e9).

ethers/v6.11.1 (2024-02-14 13:13)

Throw an error when attempting to derive from a master path from a non-master node (#4551; 556fdd9).
Allow ENS wildcards with labels up to 255 bytes wide; discussed with ENS and deemed safe (#4543; 7f14bde).
Enforce string is passed to toUtf8Bytes (#4583; f45bb87).
Fix transaction.index not being populated on some backends (#4591; 7f0e140).

ethers/v6.11.0 (2024-02-08 20:26)

Allow transaction encoding for inferred type transactions (f02211d).
Added EIP-4788, receipts root and state root fields to Block (#4570; c5f126f).
Added EIP-4844 fields to Provider classes and formatter (#4570; 7b4f2c1).
Assert BrowserProvider receives an EIP-1193 provider to fail early when passing undefined ethereum object (b69f43b).
Add timeout to ContractTransactionResponse wait (#4497; 095de51).
Allow override keyword in human-readable ABI and improve error messages (#4514, #4548; be5ec2d).
Expand Contract sub-class to accept BaseContract super-class constructor arguments (#4538; 98496bc).
Allow network for default provider to be null to select mainnet (#4501; b6bf7ab).
Allow long dnsEncode names with optional length parameter (#4543; a136348).
Fix parseLog signature when receiving read-only array for topics (#4029, #4459; 20cd8a2).
Use Secure endpoints for BNB on Etherscan (#4525; 1f6e188).
Added holesky network and related end-points for supporting providers (c6e6c43).
Added EIP-4844 BLOb transactions (#4554; 9c1e82e).
Normalize EIP-712 types before computing the payload (#4541; 56c1361).
Updated thrid-part provider URLs for QuickNode (2b4891d).
Fixed normalization and abstracted EIP-712 Array parsing (#4541; 8f99601).
Updated third-party provider network URLs (#4542; 84ca14f).
Added additional sepolia testnets (4efef76).
Fix EIP-712 type aliases for uint and int (#4541; 43fb9c2).
Fixed typo in Error string (#4539; 7882905).
Better debugging output on fetch errors (bee07a0).

ethers/v6.10.0 (2024-01-12 19:46)

Limit decoded result imflation ratio from ABI-encoded data (#4537; 1b4debd).

ethers/v6.9.2 (2024-01-02 19:12)

Fix Base58 padding for string representation of binary data (#4527; ccac24a).

ethers/v6.9.1 (2023-12-19 04:53)

Fix uncatchable issue when sending transactions over JSON-RPC and provide some retry-recovery for missing v (#4513; 1802215).

ethers/v6.9.0 (2023-11-27 06:15)

Use provider-specified suggested priority fee when available, otherwise fallback onto existing logic of 1 gwei (#4463; f8f11c7).
Add auto-detected static network support to providers and allow customizing socket provider options (#4199, #4418, #4441; 4681b83).
Added Base network to AlchemyProvider (#4384; 9e74d14).
Fixed ParamType formatting causing bad tuple full and minimal ABI output (#4329, #4479; 2b67488).
Adjust for provider config weight when kicking off a request in FallbackProvider (#4298; da34e35).
More robust FallbackProvider broadcast (#4186, #4297, #4442; e2485b8).
Added safe and finalized provider events (#3921; a92766e).

ethers/v6.8.1 (2023-11-01 16:08)

Fixed typo in error description when converting values to arrays (#4427, #4446; 8fed2f8).
Fix invalid token nonpayable being included in formatted constructor (#4412; 2e0bd90).
Add ENS support for Sepolia (#4422; 1da50ae).

ethers/v6.8.0 (2023-10-10 22:42)

Replicated former ENS normalize behaviour for empty strings and update namehash testcases (125ff11).
Initial shortMessage support for errors (#4241; d6a8c14).
Fixed resolving ENS addresses used as from parameters (#3961; 2616f4c).
Merge: 9a4b7534 0c9c23b0 Merge branch 'v5.8-progress' (cd5f0fe).
Allow more loose input format for RLP encoder (#4402; 9a4b753).
Update to latest noble crypto libraries (#3975; b27faa0).
More robust configuration options for FetchRequest getUrl functions (#4353; 9541f2f).
Ignore blockTag when calling Etherscan if it is the default block tag (dcea9b3).

ethers/v6.7.1 (2023-08-15 03:08)

Prevent destroyed providers from emitting network detection errors (7d41730).
Fix VSCode reported lint issues (#4153, #4156, #4158, #4159; 4eb84da, 203dfc3).
Add gasPrice to Polygon feeData for type 0 and type 1 legacy transactions (#4315; 0df3ab9).

ethers/v6.7.0 (2023-08-02 23:52)

Fixed receipt wait not throwing on reverted transactions (25fef4f).
Added custom priority fee to Optimism chain (via telegram) (ff80b04).
Add context to Logs that fail decoding due to ABI issues to help debugging (f3c46f2).
Added new exports for FallbackProviderOptions and FetchUrlFeeDataNetworkPlugin (#2828, #4160; b1dbbb0).
Allow overriding pollingInterval in JsonRpcProvider constructor (via discord) (f42f258).
Fixed FallbackProvider priority sorting (#4150; 78538eb).
Added linea network to InfuraProvider and Network (#4184, #4190; d3e5e2c).
Added whitelist support to getDefaultProvider (82bb936).
Add Polygon RPC endpoints to the default provider (#3689; 23704a9).
Added customizable quorum to FallbackProvider (#4160; 8f0a509).
Added basic Gas Station support via a NetworkPlugin (#2828; 229145d).
Add BNB URLs to EtherscanProvider networks (ec39abe).
Added tests for JSON format (#4248; ba36079).
Use empty string for unnamed parameters in JSON output instead of undefined (#4248; 8c2652c).
Return undefined for Contract properties that do not exist instead of throwing an error (#4266; 5bf7b34).

ethers/v6.6.7 (2023-07-28 14:50)

Prevent malformed logs from preventing other logs being decoded (#4275; 0dca645).
Allow visibility on human-readable constructors (#4278; 3a52201).

ethers/v6.6.6 (2023-07-28 01:14)

Better error message when passing invalid overrides object into a contract deployment (#4182; aa2ea3d).

ethers/v6.6.5 (2023-07-24 00:04)

Reflect symbols in the Contract Proxy to target (#4084; ac2f5e5).
Allow arrays of address for indexed filter topics (#4259; 93af87c).
Fixed filter encoding for bytesX (#4244; fa3a883).
Fix JSON formatting for tuple arrays (#4237; a8bc49b).
Better error messages when parsing fragment strings (#4246; e36b6c3).
Include the missing fragment key and args when no matching Contract method or event is present (#3809; 450a176).
Prevent a single malformed event from preventing other Contract logs; reported on Discord (b1375f4).

ethers/v6.6.4 (2023-07-16 00:35)

More robust support for Signatures with less standard parameter values (#3835, #4228; a7e4048).
Fixed CCIP-read in the EnsResolver (#4221; 57f1e1c).
Skip checking confirmation count if confirms is 0 (#4229, #4242; 492919d).
Fixed waiting for confirmations in deployment transactions (#4212, #4230; 43c253a).

ethers/v6.6.3 (2023-07-11 20:55)

Throw more descriptive error for unconfigured ENS name contract targets (#4213; 80f62ef).
Fixed contract once not running stop callback (7d061b7).

ethers/v6.6.2 (2023-06-27 23:30)

Wider error detection for call exceptions on certain backends (#4154, #4155; 9197f9f).
Added wider error deetection for JSON-RPC unsupported operation (#4162; 1dc8986).
Fixed formatUnits and parseUnits for values over 128 bits (#4037, #4133; 3d141b4).

ethers/v6.6.1 (2023-06-23 00:35)

Fixed CCIP read in contract calls (#4043; d51e3fb, 857aa8c).

ethers/v6.6.0 (2023-06-13 21:42)

Add exports for AbstractProviderOptions and for MulticoinProviderPlugin (203a759).
Add option to adjust perform cache timeout in AbstractProvider (de0f518).
Add full support for MultiCoin plugins and automatic detection for EVM-compatible coin types (#3888, #4081; 84375be).
Allow Interface instances where InterfaceAbi are allowed (#4142; 2318005).
Allow Numeric type for decimals in FixedNumber (#4141; 9055ef6).

ethers/v6.5.1 (2023-06-07 20:19)

Fix lost promise fulfillment when a batch has an error response (#4126; 8dd21f0).

ethers/v6.5.0 (2023-06-06 22:41)

Fix CJS browser bundling (#4033; 38ee319).
Fixed type guard for non-Typed instances (#4087; 20c3d1b).
Add confirmations to TransactionResponse (#4094; bb8685b).
Fix stray promises when a node returns invalid results (#4118; 3c1bad2).
Added support to detect and stop providers spinning on intitial network detection (#4015; f37a52d).

ethers/v6.4.2 (2023-06-05 22:41)

Bump ens-normalize version (#4071, #4077, #4080, #4102; c135784).
Fix for networks with polling with non-consistent block and filter events (#4119; 9b0e992).

ethers/v6.4.1 (2023-06-01 17:52)

Fixed AbstractProvider lookupAddress bug (#4086; 15ed2f5).
Fix FixedNumber comparison bug (#4112; d8e9586).

ethers/v6.4.0 (2023-05-18 17:28)

Coerce value into BigInt when checking for value (83d7f43).
Better errors when junk passed as Contract target (#3947, #4053; 219b16d).
More robust message checking in socket providers (#4051; f58990b).
More robust defaultProvider start-up when a backend fails on bootstrap (#3979; 984f6fa).
Fix Result.map when Array contains zero elements (#4036, #4048; 2e5935b).
Fixed error handling for contracts with receive and non-payable fallback (6db7458).
Remove superfluous logging in defaultProvider (f87f6ef).
Removed superfluous logging (1bc8b55).
Fix receipt gas price when effectiveGasPrice is 0 on testnets (#4014; 2b0fe61).
Added error event to provider (#3970, #3982; af0291c).
Removed superfluous parameters for internal transaction functions (e848978).
More aggresive tree-shaking (076edad).
More flexible static network checking (#3834; 7c0465c).
Support transitive dependants that use non-node16 moduleResolution (#3920; df685b1).
Populate any missing log.removed with false (#3959; 4e478e6).

ethers/v6.3.0 (2023-04-06 04:35)

Added support for legacy ABI JSON fragments (#3932; 8c5973e).
Add in operator support for contract and contract.filters (#3901; c58ab3a).
Fixed TypedData unsigned value range (#3873; a851b24).
Added missing export for getIndexedAccountPath (#3875; 356ff2b).
Fixed TypedData payloads for JSON-restricted chainId field (#3836; 50b74b8).

ethers/v6.2.3 (2023-03-27 21:22)

Fixed events when emitted in WebSocketProvider (#3767, #3922; ffaafc0).

ethers/v6.2.2 (2023-03-24 00:49)

Fixed FetchRequest when using credentials (#3897; 88e8124).

ethers/v6.2.1 (2023-03-23 17:33)

Stall block polling bootstrap when the network is down (#3924; 603d474).

ethers/v6.2.0 (2023-03-20 15:53)

Added extra details in the error info field for RPC errors (30ffa78).
Remove Ankr as a default for now as the provided API key is failing (6e01e54).
Fixed deferred filters after unsafe-eval changes (#3749, #3763; 2e3802a).
Remove use of Function sub-class to address unsafe-eval issues (#3749, #3763; 7d3af51).
Added verifyTypedData utility (reported on Farcaster) (f06a445).
Removed stray logging in IpcProvider (#3908, #3909; e11d4c1).
Fixed legacy serialization for implicit chainId transactions (#3898, #3899; fcf6c8f).
Fix Webpack issue (reported on discord) (3ad4273).
Fix some bundlers which cannot handle recursive pkg.exports (#3848; 6315e78).
Fixed typo in signature.s error (#3891; 47ef3eb).
Fixed stray unreachable code (#3890; c220fe2).
Move all wrapping to proper _wrap functions (#3818; 02a0aad).

ethers/v6.1.0 (2023-03-07 02:10)

Fixed ethers imported in web workers (#3856; 5f2678f).
Added Sepolia support (#3863; abeaa74).
Added missing exports (#3734; 06aa303).
Allow null values for TypedData domain (#3623; a32af3a).
Added listAccounts to JsonRpcProvider (#3778; 287d94f).
Allow BigInt for blockTag (#3780; fe1f04c).
Fixed typo in error messages (#3822, #3824; f1a810d).
Re-adding definition files to require exports (#3703; 76fab92).

ethers/v6.0.8 (2023-02-23 06:30)

Fix matic-mumbai network and include aliases to legacy names (#3811; 20bbd12).
Fixed getSigner bug (#3821; 388edf6).

ethers/v6.0.7 (2023-02-23 01:41)

Fixed getContentHash (#3819; b993f7c).

ethers/v6.0.6 (2023-02-22 21:53)

Added chain parameters for Arbitrum and Optimism (#3811; 77a7323).
Fix NonceManager race condition (#3812, #3813; 5a3c10a).
Add UMD output to dist builds (#3814; f9eed4c).

ethers/v6.0.5 (2023-02-18 22:36)

Fixed Result to behave correctly like an array using slice and toArray (#3787; 399356b).
Replaced substring from 0 index with startsWith (#3691; 4512e97).
Fixed inverted assert in duplicate name detection for ABI encoding (#3792; 762c2f3).
Fixed missing property during transaction copy (#3793; 48bbef7).
Add support for Wallet private keys without 0x prefix (#3768; 4665fb4).
Fixed quicknode property for defaultProvider (#3741; a8afb72).
Fixed exports field order (#3703, #3755; 085a905).

ethers/v6.0.4 (2023-02-16 08:55)

Fixed custom error decoding (#3785; 4d9b29d).
Removed stray debug logging (e1e0929).
Fixed lookupAddress when bad resolver is present (#3782; 92def9c).
Fixed FallbackProvider median calculation (#3746; 83957dc).
Move the xnf normalize variant to pkg.browser instead of import (#3724; 179e6ca).

ethers/v6.0.3 (2023-02-12 22:45)

Allow null type in transaction receipt for legacy type 0 networks (#3459; 6372a46).
Fixed events when slicing immutable Result (#3765; 2ba4a17).
More robust support on networks which throw when filters are not supported (#3767; 37bf4fb).
Fixed ignored polling override for JsonRpcApiProvider (400d576).

ethers/v6.0.2 (2023-02-04 08:50)

Fixed crossed assert in Fetch (#3733; 6c338c1).

ethers/v6.0.1 (2023-02-04 04:06)

Fix Subscriber model when removed within emit callback (d0ed918).
Fixed human-readable parser when identifier begins with valid type prefix (#3728; 522fd16).
Update to latest secp256k1 library (#3719; 803e8f9).

ethers/v6.0.0 (2023-02-02 22:48)

Initial release (90afd9b).

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