Hi, Welcome to the PLC4X community! Thanks for introducing yourself and for working on the OPC UA fix.
I’m also a contributor to PLC4X, mainly working on PLC4Net. It’s nice to see another contributor interested in industrial communication. Best, TomNewChao 崔立军 <[email protected]> 于2026年10月20日周二 09:59写道： > Hello PLC4X developers, > > I'm an undergraduate student studying Automation, with an interest in > control systems, industrial communication protocols, and open-source > software. My GitHub username is dongxuelian2. > > I'm resending this introduction now that my subscription to the > developer mailing list has been confirmed, as my initial message was > sent before the subscription was active. > > I recently submitted PR #2828 to address the OPC UA username-token > encoding issue reported in #2791. The patch corrects the encoding of > unencrypted username tokens when the effective user-token security > policy is None, and includes protocol regression tests and > interoperability checks against an asyncua server. > > I used OpenAI Codex to assist with implementation and testing, as > disclosed in the PR. My background is primarily academic rather than > hands-on industrial PLC deployment, and I do not want to imply > otherwise. > > I'm interested in contributing to well-scoped issues where I can > investigate behavior, provide reproducible tests, and address review > feedback. I cannot promise regular contributions, but I'm willing to > follow through on this patch. > > Thank you for your time and consideration. > > Best regards, > dongxuelian2 > > PR: https://github.com/apache/plc4x/pull/2828 >
