# Top

**URL:** https://discourse.nodered.org/top.md?page=14

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 15

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## [Dashboard 2 - ui-graph Bar - Colour for each series](https://discourse.nodered.org/t/dashboard-2-ui-graph-bar-colour-for-each-series/101380)

<div class="topic-metadata">

**Author:** [@rei\_vilo](https://discourse.nodered.org/u/rei_vilo)\
**Replies:** 3\
**Last updated:** [30 June 2026 10:15 UTC](https://discourse.nodered.org/t/dashboard-2-ui-graph-bar-colour-for-each-series/101380 "2026-06-30T10:15:37Z")

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I'd like to use a different colour for each series on a line and bar graphs. Using msg.msg.ui\_update works fine for the line chart but not for the bar chart. {"chartOptions":{"series":\[{"name":"One","itemStyle":{"co…

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## [Moving nodes via keyboard stops working](https://discourse.nodered.org/t/moving-nodes-via-keyboard-stops-working/101415)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [7 July 2026 06:04 UTC](https://discourse.nodered.org/t/moving-nodes-via-keyboard-stops-working/101415 "2026-07-07T06:04:31Z")

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Folks, I'm stuck. I use Firefox - latest version. NR 4.9 Ubuntu 22.04 LTS Usually I select nodes and use SHIFT and arrows to move the node. Now and then this stops working and the whole screen shifts. What's going …

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## [Source Map Loading Errors](https://discourse.nodered.org/t/source-map-loading-errors/101882)

<div class="topic-metadata">

**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 5\
**Last updated:** [16 October 2026 13:07 UTC](https://discourse.nodered.org/t/source-map-loading-errors/101882 "2026-10-16T13:07:20Z")

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Browser is Safari 27.0.1 on MacOS latest release. Running NodeRed 5.0.8 on RPI (Debian Trixie) What I'm finding is that Node Red screens are continually fully refreshed when selecting a tab. Every time it refreshes it…

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## [Event loop blocking doubles exactly 2x each round until the add-on gets killed — what mechanism could do this?](https://discourse.nodered.org/t/event-loop-blocking-doubles-exactly-2x-each-round-until-the-add-on-gets-killed-what-mechanism-could-do-this/101741)

<div class="topic-metadata">

**Author:** [@charles0103](https://discourse.nodered.org/u/charles0103)\
**Replies:** 5\
**Last updated:** [6 September 2026 11:52 UTC](https://discourse.nodered.org/t/event-loop-blocking-doubles-exactly-2x-each-round-until-the-add-on-gets-killed-what-mechanism-could-do-this/101741 "2026-09-06T11:52:54Z")

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I have a Node-RED instance that freezes several times a day. I instrumented the event loop and found something I can't explain: the blocking duration doubles almost exactly each round, reproducibly, across 12 independent…

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## [Advice on how to handle the following reported vulnerabilities?](https://discourse.nodered.org/t/advice-on-how-to-handle-the-following-reported-vulnerabilities/99817)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [2 December 2025 14:58 UTC](https://discourse.nodered.org/t/advice-on-how-to-handle-the-following-reported-vulnerabilities/99817 "2025-12-02T14:58:07Z")

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Advice on how to handle the following reported vulnerabilities? Seems that node-red-node-email has some issues? Or am I reading the following wrong? root@eccentric:/home/nodered/.node-red# npm audit fix npm warn audit…

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## [Trouble filtering key/value from MQTT message](https://discourse.nodered.org/t/trouble-filtering-key-value-from-mqtt-message/100201)

<div class="topic-metadata">

**Author:** [@mprice58](https://discourse.nodered.org/u/mprice58)\
**Replies:** 7\
**Last updated:** [23 January 2026 09:22 UTC](https://discourse.nodered.org/t/trouble-filtering-key-value-from-mqtt-message/100201 "2026-01-23T09:22:13Z")

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I have a RF433 fan that I am trying to integrate with Home Assistant using a modified Sonoff RF-Bridge with Tasmota and Portisch firmware. I want to be able to detect when a button on the remote is pressed to be able to…

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## [Stuck with how to parse weather information in \`function\` node](https://discourse.nodered.org/t/stuck-with-how-to-parse-weather-information-in-function-node/100059)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [31 December 2025 22:06 UTC](https://discourse.nodered.org/t/stuck-with-how-to-parse-weather-information-in-function-node/100059 "2025-12-31T22:06:11Z")

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Folks, I am a bit stuck with how to get something done with a message. I am using the openweather node to get the weather and detect if it is RAINING NOW and how much. The information is in msg.payload.rain and there i…

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## [Dynamic UI creation?](https://discourse.nodered.org/t/dynamic-ui-creation/100284)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 4\
**Last updated:** [8 February 2026 03:27 UTC](https://discourse.nodered.org/t/dynamic-ui-creation/100284 "2026-02-08T03:27:08Z")

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Is there, within one of the various UI frameworks for NR, that would allow dynamic UI creation? Here is the use case, I have a JSON, that changes from time to time, I want to create a button for each top level property …

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## [HTTP Request Node stuck on requesting, causes flow to Hang](https://discourse.nodered.org/t/http-request-node-stuck-on-requesting-causes-flow-to-hang/100138)

<div class="topic-metadata">

**Author:** [@Rulasmur](https://discourse.nodered.org/u/Rulasmur)\
**Replies:** 4\
**Last updated:** [10 January 2026 18:16 UTC](https://discourse.nodered.org/t/http-request-node-stuck-on-requesting-causes-flow-to-hang/100138 "2026-01-10T18:16:50Z")

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I have node-red installed on Home Assistant, with a flow that takes mqtt events, processes them, then goes to a secondary system to fetch and image and finally sends all the information to ntfy via http-request node. I …

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## [Error when trying to add a custom sidebar tab](https://discourse.nodered.org/t/error-when-trying-to-add-a-custom-sidebar-tab/101267)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 5\
**Last updated:** [12 June 2026 15:39 UTC](https://discourse.nodered.org/t/error-when-trying-to-add-a-custom-sidebar-tab/101267 "2026-06-12T15:39:36Z")

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Moved from the NR v5 thread as I think this might be a bug from before then? Ah, another sidebar issue? UIBUILDER has the uib-sidebar node that creates a custom sidebar - in NR5, unless I'm missing something, there do…

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## [Complete msg object in debug node](https://discourse.nodered.org/t/complete-msg-object-in-debug-node/100130)

<div class="topic-metadata">

**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 2\
**Last updated:** [11 January 2026 10:01 UTC](https://discourse.nodered.org/t/complete-msg-object-in-debug-node/100130 "2026-01-11T10:01:27Z")

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Continuing the discussion from Debug node: option to have "complete msg object" as default: After more than 5 years, any progress on this ?

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## [VSCode with Node-Red - Deploy Modified Nodes ONLY](https://discourse.nodered.org/t/vscode-with-node-red-deploy-modified-nodes-only/100420)

<div class="topic-metadata">

**Author:** [@Kockainside](https://discourse.nodered.org/u/Kockainside)\
**Replies:** 0\
**Last updated:** [20 February 2026 10:56 UTC](https://discourse.nodered.org/t/vscode-with-node-red-deploy-modified-nodes-only/100420 "2026-02-20T10:56:29Z")

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Hello! Can someone share how to properly setup a VSCode to work with function nodes? I tried: "steveorevo/node-red-flow2src" and "functions-templates-manager". My issue is that both of them do a full deploy on the ser…

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## [Projects and package.json](https://discourse.nodered.org/t/projects-and-package-json/101864)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 4\
**Last updated:** [9 October 2026 00:10 UTC](https://discourse.nodered.org/t/projects-and-package-json/101864 "2026-10-09T00:10:45Z")

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I have several projects, each project runs on a separate instance. They have different dependencies, for example 1 instance may use one particular 3rd party node. Can I branch that dependency out into the project's packa…

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## [Would it be possible to obtain a list of where link calls are used?](https://discourse.nodered.org/t/would-it-be-possible-to-obtain-a-list-of-where-link-calls-are-used/100409)

<div class="topic-metadata">

**Author:** [@Hubertus](https://discourse.nodered.org/u/Hubertus)\
**Replies:** 5\
**Last updated:** [20 February 2026 13:46 UTC](https://discourse.nodered.org/t/would-it-be-possible-to-obtain-a-list-of-where-link-calls-are-used/100409 "2026-02-20T13:46:40Z")

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Hello everyone, This is generally about maintaining and tidying up projects. In Nodered, you can use the magnifying glass in the node list, e.g., for subflows, to see which flows they are used in and delete old unused …

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## [Angular Scope Watch - Setting Dynamic icon color variable](https://discourse.nodered.org/t/angular-scope-watch-setting-dynamic-icon-color-variable/99765)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 5\
**Last updated:** [24 November 2025 13:28 UTC](https://discourse.nodered.org/t/angular-scope-watch-setting-dynamic-icon-color-variable/99765 "2025-11-24T13:28:14Z")

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I am working on the dashboard 1 to help a friend. I have a button that I have created and I am trying to dynamically set the icon color based on the payload input value (0 or 1). I also set the ngClick value and icon …

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## [Get URL from within NodeRED](https://discourse.nodered.org/t/get-url-from-within-nodered/100269)

<div class="topic-metadata">

**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 3\
**Last updated:** [29 January 2026 14:29 UTC](https://discourse.nodered.org/t/get-url-from-within-nodered/100269 "2026-01-29T14:29:14Z")

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Can I get from within NR the Server NR is executed on? The log says 29 Jan 10:37:07 - \[info\] Server wird jetzt auf http://127.0.0.1:1880/ ausgeführt and I want to get in NR the http://127.0.0.1:1880/ part. If so, how? …

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## [Newbie question about templates](https://discourse.nodered.org/t/newbie-question-about-templates/99814)

<div class="topic-metadata">

**Author:** [@condmaster](https://discourse.nodered.org/u/condmaster)\
**Replies:** 3\
**Last updated:** [29 November 2025 21:41 UTC](https://discourse.nodered.org/t/newbie-question-about-templates/99814 "2025-11-29T21:41:34Z")

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Hello! My first ever post here.. How do I get the great windrose widget to respond as in this topic: I only see 0 Directon and 0 Speed? My Flow : Inject Node (timestamp) -\> Function Node (Randomizer) -\> Template No…

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## [How to enable update notifications?](https://discourse.nodered.org/t/how-to-enable-update-notifications/100488)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 3\
**Last updated:** [3 March 2026 11:09 UTC](https://discourse.nodered.org/t/how-to-enable-update-notifications/100488 "2026-03-03T11:09:55Z")

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My main Node-red server has v4.1.4. The telemetry section of settings.js looks like this telemetry: { /\*\* \* By default, telemetry is disabled until the user provides consent the first \* time t…

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## [How do you handle analog sensors? I wan to](https://discourse.nodered.org/t/how-do-you-handle-analog-sensors-i-wan-to/100372)

<div class="topic-metadata">

**Author:** [@Elindo586](https://discourse.nodered.org/u/Elindo586)\
**Replies:** 3\
**Last updated:** [3 March 2026 03:14 UTC](https://discourse.nodered.org/t/how-do-you-handle-analog-sensors-i-wan-to/100372 "2026-03-03T03:14:04Z")

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So I want to do machine monitoring via node red. The link below shows a waveshare unit that takes on/off switches and also able to do Modbus, but it doesn't have a setup to hook analog sensors to the unit. ^^ I am loo…

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## [On linux, node red server access a tty device for no reason](https://discourse.nodered.org/t/on-linux-node-red-server-access-a-tty-device-for-no-reason/100380)

<div class="topic-metadata">

**Author:** [@phil12345678910](https://discourse.nodered.org/u/phil12345678910)\
**Replies:** 4\
**Last updated:** [15 February 2026 11:37 UTC](https://discourse.nodered.org/t/on-linux-node-red-server-access-a-tty-device-for-no-reason/100380 "2026-02-15T11:37:19Z")

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Hi, my installed node red server interfere with a /dev/ttyUSB0 device and I dont want that how can I tell nodered server to leave that device alone ? it is a freshly plugged device and I never configured into nodered …

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## [Anyone have an example of a scrolling text box using the new dashboard 2.0?](https://discourse.nodered.org/t/anyone-have-an-example-of-a-scrolling-text-box-using-the-new-dashboard-2-0/100052)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 5\
**Last updated:** [22 January 2026 06:34 UTC](https://discourse.nodered.org/t/anyone-have-an-example-of-a-scrolling-text-box-using-the-new-dashboard-2-0/100052 "2026-01-22T06:34:22Z")

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Anyone have an example of a scrolling text box using the new dashboard 2.0? If memory serves, I recall there was a discussion on using a ring-buffer to scroll a multiple line text box? Or was it a template? But that e…

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## [Help cleaning up old code. SEARCH seems rather poor](https://discourse.nodered.org/t/help-cleaning-up-old-code-search-seems-rather-poor/101156)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [30 May 2026 11:46 UTC](https://discourse.nodered.org/t/help-cleaning-up-old-code-search-seems-rather-poor/101156 "2026-05-30T11:46:08Z")

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I am not sure it is a good thing, but my past is kind of haunting me. WAY BACK WHEN..... var was used to declare variables used in function node. This has made way to let. So I a thought I would go through and searc…

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## [Monaco editor misbehaviour?](https://discourse.nodered.org/t/monaco-editor-misbehaviour/101388)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 4\
**Last updated:** [2 July 2026 08:34 UTC](https://discourse.nodered.org/t/monaco-editor-misbehaviour/101388 "2026-07-02T08:34:20Z")

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I have mentioned this before but now I seem to have pinned down how to reproduce it. Does anyone else see this in Node-red v5? I see it in the initial editor view and in the expanded editor. Double click to edit a fun…

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## [OK.. this has got me stumped! MQTT Out Node Odd Error?](https://discourse.nodered.org/t/ok-this-has-got-me-stumped-mqtt-out-node-odd-error/100111)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 4\
**Last updated:** [14 January 2026 03:11 UTC](https://discourse.nodered.org/t/ok-this-has-got-me-stumped-mqtt-out-node-odd-error/100111 "2026-01-14T03:11:14Z")

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OK.. this has got me stumped! MQTT Out Node Odd Error? If I inject via 'Test' it works, if I inject via 'Volume 15' works. but if I click on 'Test' to populate the 'Tevevisions' table, then click on the 'Televisions' t…

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## [Help with cronplus node](https://discourse.nodered.org/t/help-with-cronplus-node/100534)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [11 March 2026 18:46 UTC](https://discourse.nodered.org/t/help-with-cronplus-node/100534 "2026-03-11T18:46:15Z")

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I'm wanting to add schedules via injections and need to specify more than what I have so far. As is this is an exert from what the flow is: \[ { "id": "c54780ea787c649c", "type": "link out", …

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## [Issue with node-red-contrib-modbus](https://discourse.nodered.org/t/issue-with-node-red-contrib-modbus/101637)

<div class="topic-metadata">

**Author:** [@Switchblade2](https://discourse.nodered.org/u/Switchblade2)\
**Replies:** 2\
**Last updated:** [15 August 2026 07:12 UTC](https://discourse.nodered.org/t/issue-with-node-red-contrib-modbus/101637 "2026-08-15T07:12:38Z")

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I update node.js to v24 and NodeRed to v5.0.4 and after this upgrade my flow with 3 modbus nodes (1 modbus-read and 2 modbus-getter) worked fine. After upgrading the node-red-contrib-modbus from 5.45.2 to 5.60.1 my modb…

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## [Node-red served URL list](https://discourse.nodered.org/t/node-red-served-url-list/101445)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 5\
**Last updated:** [10 July 2026 16:09 UTC](https://discourse.nodered.org/t/node-red-served-url-list/101445 "2026-07-10T16:09:08Z")

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I recently rediscovered node-red-contrib-web-worldmap installed on one of my Pies, and it has the worldmap example flows. This means that there's a bunch of maps available at URLs such as 192.168.1.27:1880/basicmap, 192…

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## [Upgrade to NR 5.0? Requirements not enforced by installation script?](https://discourse.nodered.org/t/upgrade-to-nr-5-0-requirements-not-enforced-by-installation-script/101330)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [22 June 2026 20:33 UTC](https://discourse.nodered.org/t/upgrade-to-nr-5-0-requirements-not-enforced-by-installation-script/101330 "2026-06-22T20:33:04Z")

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So upgrading to 5.0... (from 4.1.4 if memory serves)... The recommended Node.js version for Node-RED 5.0 is Node.js 24. \[1, 2\] While the project recommends Node.js 24, here are the detailed system requirements to keep …

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## [Passwords loading Node-RED from within homeassistant and rasperryPi 4b and integration with HA and Node-RED](https://discourse.nodered.org/t/passwords-loading-node-red-from-within-homeassistant-and-rasperrypi-4b-and-integration-with-ha-and-node-red/100540)

<div class="topic-metadata">

**Author:** [@solarking25](https://discourse.nodered.org/u/solarking25)\
**Replies:** 3\
**Last updated:** [12 March 2026 04:47 UTC](https://discourse.nodered.org/t/passwords-loading-node-red-from-within-homeassistant-and-rasperrypi-4b-and-integration-with-ha-and-node-red/100540 "2026-03-12T04:47:37Z")

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If anyone knows how to resset the whole password thing from a fundamental point help. When I try to open Node-red from Homeassistant it times out and does not open. from within either the Homeassistant or Victron contro…

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## [Dashboard Grid Breakpoint Config: Reference Docs?](https://discourse.nodered.org/t/dashboard-grid-breakpoint-config-reference-docs/100344)

<div class="topic-metadata">

**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 3\
**Last updated:** [11 February 2026 17:29 UTC](https://discourse.nodered.org/t/dashboard-grid-breakpoint-config-reference-docs/100344 "2026-02-11T17:29:58Z")

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I am transitioning to Dashboard One to Two and leaning about configuring breakpoints for the grid dashboard layout. Through trial and error, I have been able to get the desired result, but…..I still do not understand th…

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## [Windows 11 latest Node JS and NPM will not install node-red](https://discourse.nodered.org/t/windows-11-latest-node-js-and-npm-will-not-install-node-red/100415)

<div class="topic-metadata">

**Author:** [@marksmanaz](https://discourse.nodered.org/u/marksmanaz)\
**Replies:** 4\
**Last updated:** [20 February 2026 18:13 UTC](https://discourse.nodered.org/t/windows-11-latest-node-js-and-npm-will-not-install-node-red/100415 "2026-02-20T18:13:50Z")

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npm install -g --unsafe-perm node-red \`\`npm warn "node-red" is being parsed as a normal command line argument. npm warn Unknown cli config "--unsafe-perm". This will stop working in the next major version of npm. npm war…

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## [Help reading serial port](https://discourse.nodered.org/t/help-reading-serial-port/99740)

<div class="topic-metadata">

**Author:** [@joeh7](https://discourse.nodered.org/u/joeh7)\
**Replies:** 4\
**Last updated:** [28 November 2025 21:43 UTC](https://discourse.nodered.org/t/help-reading-serial-port/99740 "2025-11-28T21:43:27Z")

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Evening all, I've been struggling to read data from a serial port using the node-red serial input node. If I open the serial port in another program, I can receive the data. However, if I close that connection and open…

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## [Shai-Hulud / Sha1-Hulud - how can I tell whether my NR is affected](https://discourse.nodered.org/t/shai-hulud-sha1-hulud-how-can-i-tell-whether-my-nr-is-affected/99794)

<div class="topic-metadata">

**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 4\
**Last updated:** [28 November 2025 06:39 UTC](https://discourse.nodered.org/t/shai-hulud-sha1-hulud-how-can-i-tell-whether-my-nr-is-affected/99794 "2025-11-28T06:39:19Z")

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Hi There, Is there any test to check whether my NR installation has been affected by this attack? I was reading the GitLab write up but it doesn't clearly state how to detect an infection.\\ Is there something simple s…

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## [UIBUILDER change css and js directories/paths](https://discourse.nodered.org/t/uibuilder-change-css-and-js-directories-paths/100826)

<div class="topic-metadata">

**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\
**Replies:** 7\
**Last updated:** [23 April 2026 12:24 UTC](https://discourse.nodered.org/t/uibuilder-change-css-and-js-directories-paths/100826 "2026-04-23T12:24:27Z")

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I have been struggling with this for a while... Following on from my use of VSCode, I have taken the suggestion @vonbaron to put the css and js files into their own directories. Doing it was simple, making it work is c…

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## [Out of nothing. Node-red not accessable via web browser](https://discourse.nodered.org/t/out-of-nothing-node-red-not-accessable-via-web-browser/100051)

<div class="topic-metadata">

**Author:** [@PowerZone21](https://discourse.nodered.org/u/PowerZone21)\
**Replies:** 4\
**Last updated:** [14 January 2026 03:15 UTC](https://discourse.nodered.org/t/out-of-nothing-node-red-not-accessable-via-web-browser/100051 "2026-01-14T03:15:21Z")

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Out of nothing, I suddenly lost access to node-red via web browser. Node-red are running on raspberry pi. Tried to restart, and it seems that node-red are running, but no web access Please help pi@raspberrypi:~ $ nod…

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## [Html node not working on string](https://discourse.nodered.org/t/html-node-not-working-on-string/101705)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 5\
**Last updated:** [31 August 2026 10:30 UTC](https://discourse.nodered.org/t/html-node-not-working-on-string/101705 "2026-08-31T10:30:37Z")

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Does the html node require more than just a string in msg.payload or does the template node encode the content ? (ie. it looks like html but actually uses an encoded string?) inject node \> template node (as plain text) \>…

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## [Issue with Delete & reconnect where flow loops back](https://discourse.nodered.org/t/issue-with-delete-reconnect-where-flow-loops-back/101252)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 5\
**Last updated:** [11 June 2026 15:25 UTC](https://discourse.nodered.org/t/issue-with-delete-reconnect-where-flow-loops-back/101252 "2026-06-11T15:25:54Z")

</div>

This is a simple flow to implement a queue. An example of usage is for a batch SQL insert, where "Protracted processing" sends batches to the database. The queue ensures that the batches are inserted in the right order. …

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## [DB2: ui-template eCharts fails to load](https://discourse.nodered.org/t/db2-ui-template-echarts-fails-to-load/100578)

<div class="topic-metadata">

**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\
**Replies:** 5\
**Last updated:** [16 March 2026 19:39 UTC](https://discourse.nodered.org/t/db2-ui-template-echarts-fails-to-load/100578 "2026-03-16T19:39:02Z")

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Hello: None of my eCharts are rendering - this was working about 1 week ago (we were on vacation) and when I tried today, none of the charts work. Regular NR bar charts, pie charts are working but nothing that uses eCha…

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## [Layout issue with ui-edgewise-meter](https://discourse.nodered.org/t/layout-issue-with-ui-edgewise-meter/99678)

<div class="topic-metadata">

**Author:** [@SteveD](https://discourse.nodered.org/u/SteveD)\
**Replies:** 5\
**Last updated:** [14 November 2025 13:28 UTC](https://discourse.nodered.org/t/layout-issue-with-ui-edgewise-meter/99678 "2025-11-14T13:28:28Z")

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Hi, Hoping I can get some guidance here with an alignment issue with the ui-edgewise-meter control. The problem I am having is that when I stack meters vertically they are all different sizes, it seems because the size …

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## [With Dashboard 2.0 Using a UI button group how to enable/disable individual options?](https://discourse.nodered.org/t/with-dashboard-2-0-using-a-ui-button-group-how-to-enable-disable-individual-options/99996)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 1\
**Last updated:** [20 December 2025 05:37 UTC](https://discourse.nodered.org/t/with-dashboard-2-0-using-a-ui-button-group-how-to-enable-disable-individual-options/99996 "2025-12-20T05:37:16Z")

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With Dashboard 2.0 Using a UI button group how to enable/disable individual options? Say I have 3 options in the button group, and operator selects option 2, want to disable option 2 until option 1 or 3 is selected. Th…

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## [Extract Data from a Webpage](https://discourse.nodered.org/t/extract-data-from-a-webpage/101066)

<div class="topic-metadata">

**Author:** [@roger.waldmeier](https://discourse.nodered.org/u/roger.waldmeier)\
**Replies:** 3\
**Last updated:** [17 May 2026 15:42 UTC](https://discourse.nodered.org/t/extract-data-from-a-webpage/101066 "2026-05-17T15:42:35Z")

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Hello, with node-red, I want to extract data from this webpage: \[Kanton Aargau - Hydrometrie\] I'm interested in "Abfluss", "Pegel" and "Wassertemperatur", see attached photo Because it seems not to be ordinary html (…

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## [Explicit Permissions for Node-RED: No More Blind Trust in Packages](https://discourse.nodered.org/t/explicit-permissions-for-node-red-no-more-blind-trust-in-packages/100598)

<div class="topic-metadata">

**Author:** [@AllanOricil](https://discourse.nodered.org/u/AllanOricil)\
**Replies:** 4\
**Last updated:** [19 March 2026 14:20 UTC](https://discourse.nodered.org/t/explicit-permissions-for-node-red-no-more-blind-trust-in-packages/100598 "2026-03-19T14:20:35Z")

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All packages built with the NRG framework and CLI (v3 to be announce soon) must declare the permissions they require through a sentinel section in package.json. These declared grants define the resources and capabilities…

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## [HTTP-Request / RequestError: The "listener" argument must be of type function](https://discourse.nodered.org/t/http-request-requesterror-the-listener-argument-must-be-of-type-function/100392)

<div class="topic-metadata">

**Author:** [@Chicura](https://discourse.nodered.org/u/Chicura)\
**Replies:** 5\
**Last updated:** [17 February 2026 16:34 UTC](https://discourse.nodered.org/t/http-request-requesterror-the-listener-argument-must-be-of-type-function/100392 "2026-02-17T16:34:16Z")

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Hello, I already searched the forum but the given answers do not match my problem. When using the HTTP request node I also get the error: RequestError: The "listener" argument must be of type function. Received an in…

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## [Dashboard 2.0 number input - sends msg after each digit - bug?](https://discourse.nodered.org/t/dashboard-2-0-number-input-sends-msg-after-each-digit-bug/100135)

<div class="topic-metadata">

**Author:** [@Chris378](https://discourse.nodered.org/u/Chris378)\
**Replies:** 5\
**Last updated:** [30 January 2026 11:46 UTC](https://discourse.nodered.org/t/dashboard-2-0-number-input-sends-msg-after-each-digit-bug/100135 "2026-01-30T11:46:19Z")

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Dear All I just found out that the number input node sends a message after each digit, not only after leaving focus or pressing enter, though they are ticked. In the old Dashboard there were a delay option. Is that nor…

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## [Javascript Object.keys() help](https://discourse.nodered.org/t/javascript-object-keys-help/99934)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 3\
**Last updated:** [12 December 2025 11:41 UTC](https://discourse.nodered.org/t/javascript-object-keys-help/99934 "2025-12-12T11:41:56Z")

</div>

I must be missing something obvious, can someone explain, please, how this code const hasExtraProps = message =\> { const allowed = \['\_msgid', 'ui\_update', 'class', 'visible', 'enabled'\] console.log(\`message: ${JSON.…

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## [Uibuilder touching uibuilder/package.json](https://discourse.nodered.org/t/uibuilder-touching-uibuilder-package-json/101497)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [20 July 2026 10:58 UTC](https://discourse.nodered.org/t/uibuilder-touching-uibuilder-package-json/101497 "2026-07-20T10:58:06Z")

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Uibuilder appears to touch uibuilder/package.json each time I restart node-red. Is this necessary? I run a daily incremental backup and because the date has changed it is backed up every day, which is pointless.

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## [Dropdown - how to clear selection/show label?](https://discourse.nodered.org/t/dropdown-how-to-clear-selection-show-label/99718)

<div class="topic-metadata">

**Author:** [@markost](https://discourse.nodered.org/u/markost)\
**Replies:** 2\
**Last updated:** [19 November 2025 16:53 UTC](https://discourse.nodered.org/t/dropdown-how-to-clear-selection-show-label/99718 "2025-11-19T16:53:07Z")

</div>

I continue to play with the dropdown. Node is configured to have its own label and it is properly displayed when starting node-red and dashboard (flowfuse, ver 1.29.0). The value selection works fine, however I want to …

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## [Linkcall continue flow on timeout](https://discourse.nodered.org/t/linkcall-continue-flow-on-timeout/101270)

<div class="topic-metadata">

**Author:** [@ZTHawk](https://discourse.nodered.org/u/ZTHawk)\
**Replies:** 5\
**Last updated:** [13 June 2026 11:10 UTC](https://discourse.nodered.org/t/linkcall-continue-flow-on-timeout/101270 "2026-06-13T11:10:11Z")

</div>

I would like to have the abillity to continue a flow even if there was a timeout. Best option would be to have the linkcall node to have a second output. First one is success and second one is failure (eg: timeout). Tha…

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## [Pre-execution control patterns in Node-RED (before side effects occur)](https://discourse.nodered.org/t/pre-execution-control-patterns-in-node-red-before-side-effects-occur/100496)

<div class="topic-metadata">

**Author:** [@hira](https://discourse.nodered.org/u/hira)\
**Replies:** 5\
**Last updated:** [6 March 2026 11:02 UTC](https://discourse.nodered.org/t/pre-execution-control-patterns-in-node-red-before-side-effects-occur/100496 "2026-03-06T11:02:17Z")

</div>

Node-RED 3.x Node.js 18.x (standard core nodes only — inject, http request, switch, function) This is an architectural question rather than a bug report. In many flows, constraint checks (thresholds, retries, allowli…

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## [Prevent Node-RED crash/restart-loop on network issues](https://discourse.nodered.org/t/prevent-node-red-crash-restart-loop-on-network-issues/100651)

<div class="topic-metadata">

**Author:** [@Semmu](https://discourse.nodered.org/u/Semmu)\
**Replies:** 2\
**Last updated:** [25 March 2026 17:12 UTC](https://discourse.nodered.org/t/prevent-node-red-crash-restart-loop-on-network-issues/100651 "2026-03-25T17:12:48Z")

</div>

Hello lovely folks, I would like to request a feature to make Node-RED a bit more robust and stable. Currently when NR faces a network exception for whatever reason (e.g. temporary network outage, DNS lookup problems, …

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