Bolt Driver Compatibility Matrix

ArcadeDB’s Neo4j BOLT protocol implementation is certified against every official Neo4j driver — Java, JavaScript, Python, .NET, and Go — driven by a single, language-neutral conformance spec. Every driver is proven against the full feature matrix, and every unsupported cell is an explicitly documented limitation, never a silent omission.

The full driver × feature × version matrix is generated from CI and is the authoritative source. It is published and kept current in the ArcadeDB repository:

The matrix on this page summarizes the certified feature areas. Consult the generated matrix above for exact per-version results.

Certified Feature Areas

Area Scenarios Status

Connection

bolt://, bolt+s:// (TLS required), neo4j:// routing (single-node and HA), TLS OPTIONAL fallback

Certified

Authentication

Basic auth (valid / invalid credentials); scheme none rejected (intentional)

Certified

Transactions

Autocommit; explicit BEGIN/COMMIT/ROLLBACK; managed executeRead/executeWrite with retry-on-transient

Certified

Causal consistency

Bookmarks (read-after-write across sessions)

Certified

Multi-database

Per-session named-database selection; isolation across databases

Certified

Result handling

Streaming PULL n, DISCARD, accurate ResultSummary counters

Certified

Type round-trip

Node, Relationship, Path; temporal (Date, Time, LocalTime, DateTime, LocalDateTime); Duration; spatial Point; byte array; nested lists/maps; null

Certified

Errors

Neo.ClientError. (syntax, semantic, security) and Neo.TransientError. (drives driver retry)

Certified

Protocol

BOLT 3.0 / 4.0 / 4.4 and 5.0–5.4 negotiation; RESET mid-stream

Certified

Documented Limitations

These cells are deliberate, documented differences rather than defects:

  • Auth none — always rejected; ArcadeDB requires credentials.

  • Unauthenticated RUN — the "reject a query before authentication" scenario cannot be exercised through any official driver, because every driver completes the handshake before exposing query methods. It is therefore marked not-applicable rather than tested.

  • Heterogeneous HA BOLT ports — clusters whose nodes expose BOLT on different ports must declare each node’s client-reachable address in arcadedb.ha.serverList (see Routing and High Availability).

  • RID / UUID — serialized as strings (no native BOLT type).

  • BigDecimal / oversized BigInteger — down-converted to double (possible precision loss).

Certified Drivers and Versions

Each driver is pinned for PR-gating CI and re-tested nightly across a wider version band, so a driver-side release that breaks compatibility is caught quickly. The pinned versions live in the driver-version matrix.

Language Driver Certified version bands

Java

neo4j-java-driver

4.4.x (legacy), 5.x, 6.x

JavaScript

neo4j-driver

5.x, 6.x

Python

neo4j

5.x (LTS), 6.x

.NET

Neo4j.Driver

5.x, 6.x

Go

neo4j-go-driver/v5

5.x

For the advertised server identity these results are measured against, see Server Identity and Feature Envelope.

See Also