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@github-actions github-actions bot commented Jul 23, 2025

🌱 A new release!

6.19.0 (2025-08-26)

The MongoDB Node.js team is pleased to announce version 6.19.0 of the mongodb package!

Release Notes

Experimental Support for Queryable Encryption Text Field Prefix, Suffix and Substring Queries

Important

Substring, prefix and suffix search are in preview and should be used for experimental workloads only. These features are unstable and their security is not guaranteed until released as Generally Available (GA). The GA version of these features may not be backwards compatible with the preview version.

When using Queryable Encryption with both automatic encryption and explicit encryption, text fields can now be queried using prefix, suffix and substring queries. This feature requires mongodb-client-encryption@>=6.5.0.

Allow a secureContext for Auto Encryption and Client Encryption TLS options

This can be provided in the tlsOptions option both both objects.

import * as tls from 'tls';
import { ClientEncryption, MongoClient } from 'mongodb';

const caFile = await fs.readFile(process.env.CSFLE_TLS_CA_FILE);
const certFile = await fs.readFile(process.env.CSFLE_TLS_CLIENT_CERT_FILE);
const secureContextOptions = {
  ca: caFile,
  key: certFile,
  cert: certFile
};
const options = {
  keyVaultNamespace: 'db.coll',
  kmsProviders: {
    aws: {}
    }
  },
  tlsOptions: {
    aws: {
      secureContext: tls.createSecureContext(secureContextOptions),
    }
  }
};

const client = this.configuration.newClient({}, { autoEncryption: { ...options, schemaMap } });
const clientEncryption = new ClientEncryption(client, options);

collection.findOne() and collection.find() will no longer potentially leave open cursors on the server

The findOne command will now always set the limit option to 1 and singleBatch to true. The limit, noCursorResponse and batchSize options have also been deprecated, and the command will guarantee no more cursors can be orphaned and no killCursors command will be potentially executed.

find will now set limit to batchSize + 1 when both options were equal, to avoid leaving cursors open.

Clients no longer send a ping on connect

When authentication is enabled, the MongoClient will no longer send a ping command when connecting since it is unnecessary. Instead it will check a connection out of the pool to force the initial handshake, and check it back in.

Features

Documentation

We invite you to try the mongodb library immediately, and report any issues to the NODE project.


@github-actions github-actions bot requested a review from a team as a code owner July 23, 2025 13:49
@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch 6 times, most recently from 33251e3 to c5b3113 Compare August 1, 2025 16:14
@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch 4 times, most recently from e69eb45 to b922c3b Compare August 7, 2025 12:17
@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch 3 times, most recently from 052461d to ce5d9d7 Compare August 19, 2025 17:07
@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch 3 times, most recently from 8734d96 to 939b545 Compare August 25, 2025 13:08
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@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch from 939b545 to ff9af89 Compare August 26, 2025 17:11
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@github-actions github-actions bot force-pushed the release-please--branches--main--components--mongodb branch from ff9af89 to efd616d Compare August 26, 2025 20:09
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@baileympearson baileympearson merged commit 56b70f8 into main Aug 26, 2025
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@baileympearson baileympearson deleted the release-please--branches--main--components--mongodb branch August 26, 2025 21:10
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