Releases: midnightntwrk/midnight-indexer
Releases · midnightntwrk/midnight-indexer
Midnight Indexer 4.2.1
Release notes
Release name
Version: 4.2.1
Date: 2026-04-27
⚙️ Dependencies
- Bump to node 1.0.0-rc.3 and storage-core 1.2.0-rc.3 (#1077)
🚀 Features
- (bench) Add preprod genesis and multi-tx apply benchmarks (#1076)
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.1/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.1/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.1/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
Midnight Indexer 4.2.0
Release notes
Release name
Version: 4.2.0
Date: 2026-04-23
🚀 Features
- (indexer-api) Add dustGenerationMerkleTreeUpdate query (#1062)
- Dust generations QDO fields and generation tree index (#1059)
🐛 Bug Fixes
- (indexer-common) Clamp block_fullness on post_block_update to match node (#1061)
⚡ Performance
- (chain-indexer) Replace backward traversal with forward iteration by block height (#1038)
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.0/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.0/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.2.0/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
Midnight Indexer 4.0.2
Release notes
Release name
Version: 4.0.2
Date: 2026-04-23
[4.0.2] - 2026-04-23
🐛 Bug Fixes
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.2/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.2/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.2/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
Midnight Indexer 4.1.0
Release notes
Release name
Version: 4.1.0
Date: 2026-04-20
🚀 Features
- Log wallet ID on connect and disconnect mutations (#935)
- (indexer-api) Add query for zswap collapsed update (#982)
- Support node v1.0 (#985)
- (indexer-api) Add zswap Merkle tree root to block (#988)
- Add efficient dust wallet synchronisation endpoints (#980)
- Remove support for node 0.20 and 0.21 (#986)
- Add shieldedNullifierTransactions subscription (#996)
- Bridge async-graphql tracing to fastrace (#1037)
- Avoid unnecessary scans of shielded transactions (#1039)
- Support ledger 8.1 (#1033)
- Add node 1.0.0-rc.2 metadata and remove rc.1 (#1041)
🐛 Bug Fixes
- Pin upload-sarif-github-action to latest SHA (KICS/Trivy disabled)
- Add start_period to postgres healthcheck in docker-compose (#936)
- (chain-indexer) Falling back to metadata of parent block (#970)
- Per-generation capacity calculation and cursor pagination for dust queries (#997)
- (indexer-api) Make standalone sqlite spo queries match postgres (#977)
- (api) Align dustCommitmentMerkleTreeUpdate with zswapMerkleTreeCollapsedUpdate pattern (#1023)
- Compute transaction fees using ledger's Transaction::fees() API (#1031)
🚜 Refactor
- Simplify and make recent code more consistent (#1035)
⚡ Performance
- (indexer-api) Introduce DataLoader for block-by-hash lookups (#1018)
- (indexer-api) Introduce DataLoader for transactions-by-block-id lookups (#1022)
- (indexer-api) Introduce DataLoader for contract-actions-by-transaction-id lookups (#1030)
- (indexer-api) Introduce DataLoader for transaction-by-id lookups (#1027)
⚙️ Miscellaneous Tasks
- (security) Fix vulnerability (#914)
- (api) Add fee field and deprecate estimatedFees and fees wrapper (#1036)
- Bump midnight-storage-core to 1.2.0-rc.2 (#1052)
- Remove unused node 0.20 and 0.21 data (#1042)
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.1.0/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.1.0/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.1.0/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
Midnight Indexer 4.0.1
Release notes
Release name
Version: 4.0.1
Date: 2026-03-25
High-level summary
This is a hotfix release for a single issue.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Bug fixes
- Correct timestamp unit mismatch in currentCapacity calculation (#929)
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.1/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.1/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.1/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
Midnight Indexer 4.0.0
Release notes
Release name
Version: 4.0.0
Date: 2026-03-17
High-level summary
This release mainly bumps the API version to v4 and adds support for Node 0.22 and Ledger 8.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
What changed
- (indexer-api) Replace deterministic session ID with random per-session token (#807)
- Use storage-core v1.1 with layout v2 (#861)
- Replace window function with scalar subquery in ledger events query (#890)
- Batch ledger_db_nodes inserts to reduce SQL roundtrips (#892)
New features
- (indexer-api) Bump API version to v4
- (indexer-api) /api/v3 alias for /api/v4 for backwards compatibility (#815)
Bug fixes
- Use lazy loading for ledger state deserialization to avoid recursion depth limit (#871)
Required Updates
- All users are encouraged to use API v4. API v3 is still supported, but will be deprecated soon and eventually removed
- The internal database format has changed and hence it is necessary to start with a fresh/empty database
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0/docs/api/v3/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
v4.0.0-rc.9
v4.0.0-rc.9
This tag was signed with the committer’s verified signature.
cosmir17
Sean Kwak
Release notes
Release name
Version: 4.0.0-rc.9
Date: 2026-03-16
High-level summary
This pre-release is for testing purposes only and not suitable for production grade usage.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
What changed
Refactor
- Batch ledger_db_nodes inserts to reduce SQL roundtrips (#892)
- Rename cardano_address DB column to cardano_stake_key for clarity (#902)
Required Updates:
- The API of Indexer v4.0 is backwards compatible with v3.x when using /api/v3
- Requires node v0.22.0+ and ledger v8.0.0+
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.9/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.9/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.9/docs/api/v4/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
v4.0.0-rc.10
v4.0.0-rc.10
This tag was signed with the committer’s verified signature.
cosmir17
Sean Kwak
Release notes
Release name
Version: 4.0.0-rc.10
Date: 2026-03-16
High-level summary
This pre-release is for testing purposes only and not suitable for production grade usage.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
What changed
Bug Fix
- Flush pending inserts before delete/root-count to preserve batch_update ordering (#904)
Required Updates:
- The API of Indexer v4.0 is backwards compatible with v3.x when using /api/v3
- Requires node v0.22.0+ and ledger v8.0.0+
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.10/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.10/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.10/docs/api/v4/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
v4.0.0-rc.7
v4.0.0-rc.7
This tag was signed with the committer’s verified signature.
cosmir17
Sean Kwak
Release notes
Release name
Version: 4.0.0-rc.7
Date: 2026-03-13
High-level summary
This pre-release is for testing purposes only and not suitable for production grade usage.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
What changed
Refactor
- Replace window function with scalar subquery in ledger events query (#890)
Required Updates:
- The API of Indexer v4.0 is backwards compatible with v3.x when using /api/v3
- Requires node v0.22.0+ and ledger v8.0.0+
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.7/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.7/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.7/docs/api/v4/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone
v4.0.0-rc.6
v4.0.0-rc.6
This tag was signed with the committer’s verified signature.
cosmir17
Sean Kwak
Release notes
Release name
Version: 4.0.0-rc.6
Date: 2026-03-12
High-level summary
This pre-release is for testing purposes only and not suitable for production grade usage.
Audience
This release note is critical for developers who:
- use the Midnight Indexer via the Indexer API
- run the Midnight Indexer
Required Updates:
- The API of Indexer v4.0 is backwards compatible with v3.x when using /api/v3
- Requires node v0.22.0+ and ledger v8.0.0+
Links and references
- Full changelog: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.6/CHANGELOG.md
- Indexer API schema: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.6/indexer-api/graphql/schema-v4.graphql
- Indexer API docs/examples: https://github.com/midnightntwrk/midnight-indexer/blob/v4.0.0-rc.6/docs/api/v4/api-documentation.md
- Chain Indexer Docker image: https://hub.docker.com/r/midnightntwrk/chain-indexer
- Indexer API Docker image: https://hub.docker.com/r/midnightntwrk/indexer-api
- Wallet Indexer Docker image: https://hub.docker.com/r/midnightntwrk/wallet-indexer
- Indexer Standalone Docker image: https://hub.docker.com/r/midnightntwrk/indexer-standalone