6.0.0-alpha01

6.0.0-alpha01

⚠️ This is an experimental release. It may completely change in the future.
It is not guaranteed to include all breaking changes that will be present in 6.0.0

The main goal of this release is to offer a preview for new driver Vector type.

⭐ New Features

---

• Support for Bolt 6.0 and the neo4j Vector type has been added. #1293
• ResultTransformers .eager() and .mapped() have been marked stable. #1287
• GQLStatusObjects have been stabilized as a replacement for the deprecated Notifications. #1285
• The GQL-compliant properties gqlStatus, gqlStatusDescription, diagnosticRecord, classification and rawClassification on Neo4jError and GQLError have been stabilized. #1286

👏 Improvements

---

• Added documentation to members of GQLError and Neo4jError. #1300
• The timeout set with the connectionAcquisitionTimeout config option now covers the whole process of acquiring a connection, including preceding routing calls. This is to align with the behavior of other languages. #1292
• Duration toString() format has been updated to align with the stringification in Cypher. #1284

🔧 Fixes

---

• The seconds and nanoseconds properties on Duration objects will now not be neo4j.Integer typed if the driver is configured to return native JS numbers or BigInts. #1265

❌ Removals

---

• severity has been removed from the Notification class. #1289

👎 Deprecation

---

• Deprecated Date.toStandardDate() due to the unclear handling of timezones. Date.toStandardDateLocal() is a drop in replacement, but Date.toStandardDateUTC() may be more desireable to some users. #1290
• ResultTransformers .eagerResultsTransformer() and .mappedResultsTransformer() have been deprecated. .eager() and .mapped() are drop in replacements. #1287
• Notifications and related functions have been deprecated in favor of the newly stabilized GQLStatusObjects. #1285

5.28.1

Patch release fixing the new handshake for some potential future bolt protocol versions.

🔧 Fixes

---

• Fix handshake manifest parsing in preparation of future bolt versions. #1253

5.28.0

Implements caching of home databases, saving significant round trips, primarily for usage against Aura, along with improved error handling, DateTime conversion and a new handshake protocol.

👏🏼 Improvements

---

• Adds background caching of home databases, saving up to 33% of round trips when the user does not specify a target database. #1235
• Implements a new handshake protocol for Bolt, allowing more granular selection of protocol versions in the future. #1243

🔧 Fixes

---

• Improve handling and error communication when the user supplies a circular object in a custom auth token. #1247
• Fix the conversion between driver and JavaScript DateTimes when the local timezone has rare minute offsets from UTC. #1238

5.27.0

Takes mTLS authentication out of preview and improves some aspects of documentation.

⭐ New Features

---

• Mutual TLS (mTLS) is marked stable and released out of preview #1237

🧹 Housekeeping

---

• Marks the isUnboundRelationship function as private in documentation. #1234
• Corrects the usage of the link tag in documentation, fixing some broken links. #1236
• Adds notice regarding CALL {} IN TRANSACTION to executeRead and executeWrite. #1236

5.26.0

Adds GQL compliant fields to the Neo4jError object as a preview feature.

⭐ New Features

---

• Added GQL compliant fields to the Neo4jError object. #1225

🧹 Housekeeping

---

• Marked JavaScripts treatment of Integers and Floats as Number as a Feature for testkit. #1228

5.25.0

Housekeeping only.

🧹 Housekeeping

---

• Remove DNS caching from testkit browser tests, reducing flakiness #1224
• Improvements on error handling #1220

5.24.1

Fix critical issue related to connection pool size enforcement. Along with this, other fixes related to connection error treatment are released.

🔧 Fixes

---

• Remove un-predictable behaviour on connection failure due to multiple notification of same error #1213
• Fix cases where the connection is destroyed on node, but the onclose event is not triggered #1215
• Fix maxConnectionPoolSize verification #1216

5.24.0

Added support for the new Schema notification category, and a minor fix to stop Deno tests from failing when run locally

⭐ New Features

---

• Added Schema notification category #1211

🧹 Housekeeping

---

• Move Pool module to core #1212
• Fix to npm test crashing at Deno tests when running test containers #1210

5.23.0

This fix a potential issue in the Notification api.

🔧 Fixes

---

• Fix Notification.description polyfill from GqlStatusObject #1205

🧹 Housekeeping

---

• Improve pipelines stability #1206

5.22.0

This release introduces preview support to the GQLStatusObject #1194 along with other ergonomic preview features. This also speeds up the driver shutdown when connections are waiting to be acquired #1196, thanks, CarsonF, for the contribution.

⭐ ⚠️ Preview Features

---

• Introduce GqlStatusObject support as notifications to ResultSummary #1194
• Introduce AbortSignal to Driver.executeQuery 1199
• Introduce resultTransformer.first #1200
• Introduce resultTransformer.summary 1201
• Introduce resultTransformers.eager and resultTransformers.mapped 1202

🔧 Fixes

---

• Don't prevent NodeJS from closing to run acquisition timeout error #1196. Thanks, CarsonF.

🧹 Housekeeping

---

• Improvements on internal APIs #1195