This topic can be used for any discussions around the openHAB 5.1 Milestone builds as it has been announced in openHAB 5.1 Milestone Builds .

I checked my change where I introduced this issue and this was the only place where the issue was introduced. A fix is already proposed (not by myself) but not yet merged. Once it is merged, @sihui and @glhopital I will tell you and will then encourage you to install a snapshot containing the fix t…

I have same problem with error in the logs and then items not working. If I resave items file (adding new line, saving, removing new line, saving) then updates for all items listed in that file are coming again. With only exception being Network binding related items - they are no longer updating th…

@lsiepel and @Nadahar worked on the network binding (PR mentioned in the precedent message).

Also, did anyone else noticed problems with Sonos binding in 5.1m1? After a while binding is stuck in “The UPnP device RINCON_38420B9457A601400 is not yet registered” - I have to restart Openhab binding to get it working - restarting binding itself doesn’t work

[image] Lolodomo: A fix is already proposed (not by myself) but not yet merged. Once it is merged, @sihui and @glhopital I will tell you and will then encourage you to install a snapshot containing the fix to have your feedback. Snapshot 4840 contains the fix for java.util.ConcurrentModificat…

[image] Lolodomo: Feedback welcome. Updated to #4840 , error is gone, logs are clean. Thank you very much :+1:

I did the upgrade from OH 4 to 5.1.0.M1 and have everything working except my javascript file. I made the following changes in addons.cfg PS Thanks to all how made this possoble transformation = map, exec, regex, jsonpath to transformation = map, exec, regex, jsonpath, js and automation = jss…

[image] HenMus: PS Thanks to all how made this possoble JS transformation doesn’t exist anymore, use the SCRIPT transformation with JS Scripting instead. Please have a look at the docs for the JavaScript Scripting add-on. [image] HenMus: How to solve this. Please try to restart. […

Hi, yesterday I upgraded from version 5.01 to the milestone build, thank you for your work!! Unfortunately, none of my text-based JavaScript rules work anymore — the keyword “rules” is now reported as unknown. I’m aware of the new option “Auto injection for all scripts, including file-based,” whic…

[image] mpmario: I noticed that adding the line const { rules, triggers, items } = require(‘openhab’); at the beginning of a JS file makes it work again. I’m not JavaScript expert, but I think the difference in syntax is related to the difference in the JavaScript enging (and the version o…

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openHAB 5.1 Milestone discussion

Setup, Configuration and Use News & Important Changes

sihui (SiHui) October 2, 2025, 4:35pm 40

Updated to #4840, error is gone, logs are clean.
Thank you very much

Rules and return codes