# Documentation Index
This folder contains project documentation for `rust-ethernet-ip`.
Current release state:
- Stable published line: `0.7.0`
- Previous stable line: `0.6.3`
## Start Here
- [../README.md](../README.md): Project overview and quick start
- [programmer_manual.md](programmer_manual.md): Programmer manual (Rust + C# integration tracks)
- [OFFICIAL_SOURCES.md](OFFICIAL_SOURCES.md): Official Rockwell/ODVA references used by this library
- [../CHANGELOG.md](../CHANGELOG.md): Release history and ongoing changes
- [../CONTRIBUTING.md](../CONTRIBUTING.md): Contribution workflow and required checks
## Release and Quality Gates
- [0.7.0_HARDENING_GATE.md](0.7.0_HARDENING_GATE.md)
- [validation/REAL_PLC_TESTING.md](validation/REAL_PLC_TESTING.md)
- [audit/0.7.0_docs_api_audit.md](audit/0.7.0_docs_api_audit.md)
- [audit/0.7.0_open_issues_triage.md](audit/0.7.0_open_issues_triage.md)
- [compat/0.7.0_route_udt_compatibility.md](compat/0.7.0_route_udt_compatibility.md)
- [compat/0.7.0_plc_simulator_compatibility_matrix.md](compat/0.7.0_plc_simulator_compatibility_matrix.md)
- [perf/0.7.0_baseline_vs_0.6.3.md](perf/0.7.0_baseline_vs_0.6.3.md)
## Core Technical References
- [CIP_PROTOCOL_REFERENCE_1756-PM020.md](CIP_PROTOCOL_REFERENCE_1756-PM020.md)
- [EtherNetIP_Connection_Paths_and_Routing.md](EtherNetIP_Connection_Paths_and_Routing.md)
- [CONTROLLOGIX_ROUTING_IMPLEMENTATION.md](CONTROLLOGIX_ROUTING_IMPLEMENTATION.md)
- [ARRAY_ELEMENT_ADDRESSING_GUIDE.md](ARRAY_ELEMENT_ADDRESSING_GUIDE.md)
- [tag_introspection.md](tag_introspection.md)
- [AB_String_UDT_Write_Limitations.md](AB_String_UDT_Write_Limitations.md)
## Troubleshooting and Operations
- [TROUBLESHOOTING.md](TROUBLESHOOTING.md)
- [VERSION_MANAGEMENT.md](VERSION_MANAGEMENT.md)
- [DLL_DEPLOYMENT.md](DLL_DEPLOYMENT.md)
## Historical / Deep-Dive Notes
Some files in this folder are historical analyses from earlier release phases and may include old planning timelines.
Use them for context, but treat the following as authoritative for current behavior:
- `README.md`
- `CHANGELOG.md`
- `0.7.0_HARDENING_GATE.md`
- `audit/0.7.0_docs_api_audit.md`