WillCodeForCats/solaredge-modbus-multi

Adopt the modbus-connection library (and help test it)

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#1,024 opened on Aug 5, 2026

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help wanted

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Description

We're adopting Home Assistant's modbus-connection library for our v4.0.0 release.

The first release will focus on minimal changes to adopt the library and to remove unsupported features from the integration without substantially altering the core code so we're not doing a full rewrite in one step (which has a higher chance of introducing regressions). The first changes reduce integration code by about 15%. Future releases will explore leveraging more features provided by modbus-connection.

Feedback for the v4.0.0 pre-releases can be added to this issue or to the Modernizing Modbus in Home Assistant discussion.

Contributor guide

Research direction
Research the current Modbus implementation in the solaredge modbus multi integration and the modbus connection library to understand the migration. Then test the v4.0.0 pre releases and provide feedback in this issue.
Tech stack
python
Domain
backend
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitPythonHome Assistant
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40