QMD Memory Backend Removal and Migration Guide

The optional QMD memory backend is removed, making the builtin memory engine the only option. This page explains the removal and directs users to migration details.

Read this when

  • You want to understand the default memory backend
  • You want to configure embedding providers or hybrid search
  • You are migrating from the removed QMD memory backend

QMD memory backend removal

The QMD memory backend, which was optional, is no longer available. The builtin memory engine now serves as the sole memory option.

For details on the automated Doctor migration, which features of the builtin are covered, and what gaps remain, refer to Migrating from QMD.

50 words · updated Aug 13, 2026