# Mem0 OpenCode Plugin (v0.4.0)

Category: agent-infrastructure
Published: 2026-09-18T11:24:45Z
Source: [Mem0 releases](https://github.com/mem0ai/mem0/releases/tag/opencode-v0.4.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:47.305Z
Tags: memory, agents, personalization

## Human Summary
Mem0 releases published Mem0 OpenCode Plugin (v0.4.0). Changes: - Telemetry: The PostHog source tag changed from the literal "plugin" to OPENCODE PLUGIN , and project hash is now salted. Saved PostHog insights filtering on source = "plugin" will stop matching new events; historical data is unaffected ( 7322 (https://github.com/mem0ai/mem0/pull/7322)) -…

## Agent Summary
Treat Mem0 OpenCode Plugin (v0.4.0) as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Mem0 releases published Mem0 OpenCode Plugin (v0.4.0). This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Changes: - Telemetry: The PostHog source tag changed from the literal "plugin" to OPENCODE PLUGIN , and project hash is now salted. Saved PostHog insights filtering on source = "plugin" will stop matching new events; historical data is unaffected ( 7322 (https://github.com/mem0ai/mem0/pull/7322)) - Config: A new keyFingerprint key appears in the install-count deduplication logic; installs are now counted once per key rather than on every activation ( 7325 (https://github.com/mem0ai/mem0/pull/7325))

## Recommended actions
- Review the official Mem0 releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.