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Compatibility Matrix
1. Overview
This document defines compatibility between MPLP protocol versions, SDKs, and schema versions.
2. Protocol Schema Compatibility
| Protocol Version | Schema Directory | Schema Version | Status |
|---|---|---|---|
| v1.0.0 | schemas/v2/ | 1.0.0 | Current |
| v0.x (legacy) | schemas/v1/ | 0.x | Deprecated |
3. SDK Protocol Compatibility
| SDK | Version | Protocol v1.0.0 | Notes |
|---|---|---|---|
@mplp/sdk-ts | 1.0.x | ✅ | Reference implementation |
mplp (Python) | 1.0.x | ✅ | Full runtime support |
4. Cross-Language Interoperability
MPLP ensures protocol objects are compatible across language SDKs:
| Source SDK | Target SDK | Compatibility |
|---|---|---|
| TypeScript | Python | ✅ JSON serialization |
| Python | TypeScript | ✅ JSON serialization |
5. Backward Compatibility Rules
5.1 Schema Evolution
| Change Type | Allowed in FROZEN? |
|---|---|
| Add optional field | ✅ (Minor) |
| Add new event type | ✅ (Minor) |
| Remove field | ❌ (Breaking) |
| Change field type | ❌ (Breaking) |
| Rename field | ❌ (Breaking) |
5.2 Runtime Compatibility
MPLP runtimes aligned to v1.0.0 are expected to accept all v1.0.x messages without error.
6. Version Support Policy
| Version | Support Status | End of Support |
|---|---|---|
| v1.0.x | ✅ Supported | N/A (Ongoing) |
| v0.x | ❌ Deprecated | 2025-12-03 |