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View all issuesJuly 1, 2025
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qQRunIO Newsletter|Issue #7

QQQ Backend Modules

The 4.0 train includes relational, MongoDB, SQLite, file-system, S3, and REST modules. Supported operations differ. Do not assume an announced connector name establishes DynamoDB support or cross-backend transactions.

In This Issue
Reviewed for the 4.0 release candidateSource-based documentationAvailability confirmed per component

Editorial update: September 10, 2026

This archived entry has been corrected for the 4.0 release review. Its original archive date is retained; it is not evidence of a feature release on that date.

QQQ Backend Modules

The 4.0 train includes relational, MongoDB, SQLite, file-system, S3, and REST modules. Supported operations differ. Do not assume an announced connector name establishes DynamoDB support or cross-backend transactions.

Read the current guidance.

Release status

The documented published candidate is 4.0.0-RC.2. Final 4.0.0 is not yet published. Review the migration guide before changing an existing application.

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