v1.15.5 v1.15.6

Name: engram
Author: Gentleman-Programming

low risk

Gentleman-Programming/engramMay 4, 2026 → May 4, 20260 days between releases

What's New

Hardened Engram Cloud startup repair to prevent restart loops and handle invalid mutation rows.

Improvements

Legacy cloud chunk migration backfills now only reference legacy columns when they exist.
Mutation materialization repair now skips invalid historical rows instead of failing.
Added Postgres-backed regressions for modern production schemas.
Prevented `engram cloud serve` restart loops during automatic mutation materialization.

Bug Fixes

Fixed restart loops during automatic mutation materialization.
Fixed legacy cloud chunk migration backfills failing on modern schemas.
Fixed mutation materialization repair failing on invalid historical rows.

Upgrade Notes

The automatic repair logic introduced in v1.15.5 is now more robust. Upgrading will prevent restart loops and allow the repair process to skip invalid historical rows without crashing. No configuration changes are required.

The Two Releases

v1.15.5

May 4, 2026· 6 months ago

Fixed the `mem_save` prompt capture release to ensure correct session activity tracking and nil-safe handling. Clarified prompt-capture documentation and added regression coverage for failure paths.

Full release notes

v1.15.6

May 4, 2026· 6 months ago

Hardened Engram Cloud startup repair against production schemas and historical invalid mutation rows. Prevented `engram cloud serve` restart loops during automatic mutation materialization.

Full release notes