# Latest

**URL:** https://discourse.nodered.org/latest.md

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

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## [How to add/update nodes to the Flow Library](https://discourse.nodered.org/t/how-to-add-update-nodes-to-the-flow-library/25294)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 3\
**Last updated:** [26 April 2020 22:12 UTC](https://discourse.nodered.org/t/how-to-add-update-nodes-to-the-flow-library/25294 "2020-04-26T22:12:23Z")

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The Flow Library will no longer automatically detect updates to modules on npm. (see this post for the background). Adding a new node to the library If you have a new node to add to the library, click on the + button at…

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## [How to share code or flow json](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 5\
**Last updated:** [23 June 2020 18:21 UTC](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506 "2020-06-23T18:21:44Z")

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To share code samples or flow json in this forum, you need to take care to format it properly so that it is displayed correctly. The easiest way to do that is to click the 'Preformatted Text' button in the toolbar: T…

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## [Welcome to the Node-RED Forum!](https://discourse.nodered.org/t/welcome-to-the-node-red-forum/8)

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**Author:** [@system](https://discourse.nodered.org/u/system)\
**Replies:** 0\
**Last updated:** [24 April 2018 15:23 UTC](https://discourse.nodered.org/t/welcome-to-the-node-red-forum/8 "2018-04-24T15:23:34Z")

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Welcome to the Node-RED community forum. This is the main place to discuss the project, ask questions, share ideas and anything else Node-RED related. Everyone is welcome here, we just ask you to follow a few simple rule…

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## [Question about tcp connection status and inject node during dashboard start](https://discourse.nodered.org/t/question-about-tcp-connection-status-and-inject-node-during-dashboard-start/101823)

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**Author:** [@robt](https://discourse.nodered.org/u/robt)\
**Replies:** 13\
**Last updated:** [23 September 2026 17:41 UTC](https://discourse.nodered.org/t/question-about-tcp-connection-status-and-inject-node-during-dashboard-start/101823 "2026-09-23T17:41:58Z")

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I have two questions regarding tcp request node, please. How can I detect if a tcp connection is established or not in dashboard? I connect and disconnect manually. Additionally , I can send commands to the server vi…

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## [FlowHubⓁ - FlowHub Local - Local Visual Change Management](https://discourse.nodered.org/t/flowhub-flowhub-local-local-visual-change-management/101811)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 8\
**Last updated:** [23 September 2026 16:40 UTC](https://discourse.nodered.org/t/flowhub-flowhub-local-local-visual-change-management/101811 "2026-09-23T16:40:33Z")

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Hi There, Just want to announce that FlowHub.org is now available in a local-first, no-GitHub required solution. Background: FlowHub.org provides visual change management (aka version control) on top of GitHub. FlowHu…

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## [Coming in cron-plus v3: a "Cron Filter" node with natural language conditions](https://discourse.nodered.org/t/coming-in-cron-plus-v3-a-cron-filter-node-with-natural-language-conditions/101707)

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**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 42\
**Last updated:** [23 September 2026 14:45 UTC](https://discourse.nodered.org/t/coming-in-cron-plus-v3-a-cron-filter-node-with-natural-language-conditions/101707 "2026-09-23T14:45:31Z")

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I'm working on v3 of node-red-contrib-cron-plus and before I get too far down the road I'd like some opinions on the headline feature. v3 itself brings a swap of the underlying solar library (which is why it's a major v…

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## [Browser - Bad render performance](https://discourse.nodered.org/t/browser-bad-render-performance/101820)

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**Author:** [@Markus\_M](https://discourse.nodered.org/u/Markus_M)\
**Replies:** 5\
**Last updated:** [23 September 2026 13:24 UTC](https://discourse.nodered.org/t/browser-bad-render-performance/101820 "2026-09-23T13:24:18Z")

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Hello. I am using following environment: Microsoft Server 2025 (Running on VM) Microsoft Edge Browser (Version 153.0.4234.48) NodeJS 24.21.0 LTS (latest) Node-RED 5.0.7 (latest) Reverse Proxy IIS Microsoft Defender I…

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## [Problems with node contrib-shelly](https://discourse.nodered.org/t/problems-with-node-contrib-shelly/101813)

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**Author:** [@gerribaldi](https://discourse.nodered.org/u/gerribaldi)\
**Replies:** 7\
**Last updated:** [23 September 2026 13:00 UTC](https://discourse.nodered.org/t/problems-with-node-contrib-shelly/101813 "2026-09-23T13:00:03Z")

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Hi, i try to access a Shelly Plus RGBW PM via node-red-contrib-shelly. The connection between the node and the shelly is working. And if i sent a message to the node, i got feedback from the shelly - like wifi state, c…

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## [\[ANNOUNCE\] Node-Red-Lookup](https://discourse.nodered.org/t/announce-node-red-lookup/101821)

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**Author:** [@sammachin](https://discourse.nodered.org/u/sammachin)\
**Replies:** 0\
**Last updated:** [23 September 2026 09:59 UTC](https://discourse.nodered.org/t/announce-node-red-lookup/101821 "2026-09-23T09:59:10Z")

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I've created a new fairly generic node, its a common pattern I found myself doing that involved a combination of switch and change nodes so I merged that into one, I couldn't find any existing solution for this? The con…

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## [Registration for Node-RED Con 2026 is now open! 🎊](https://discourse.nodered.org/t/registration-for-node-red-con-2026-is-now-open/101818)

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**Author:** [@Yndira-E](https://discourse.nodered.org/u/Yndira-E)\
**Replies:** 1\
**Last updated:** [22 September 2026 16:40 UTC](https://discourse.nodered.org/t/registration-for-node-red-con-2026-is-now-open/101818 "2026-09-22T16:40:03Z")

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I'm genuinely excited about this year's programme. We had a strong batch of submissions and choosing was hard, but the talks we ended up with cover edge deployments, AI integration, industrial automation, and some proje…

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## [Linter: \[msg\] 'Buffer' is not defined](https://discourse.nodered.org/t/linter-msg-buffer-is-not-defined/101810)

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**Author:** [@protonmw](https://discourse.nodered.org/u/protonmw)\
**Replies:** 3\
**Last updated:** [21 September 2026 15:55 UTC](https://discourse.nodered.org/t/linter-msg-buffer-is-not-defined/101810 "2026-09-21T15:55:29Z")

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Hi experts! I'm using Buffer.from(xyz); in a function node and it works exactly as intended, but linter gives an error: \[msg\] 'Buffer' is not defined. How can I prevent this? (Or: how to put ascii character 182 int…

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## [How would I find a "memory leak"?](https://discourse.nodered.org/t/how-would-i-find-a-memory-leak/101806)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 41\
**Last updated:** [20 September 2026 22:29 UTC](https://discourse.nodered.org/t/how-would-i-find-a-memory-leak/101806 "2026-09-20T22:29:13Z")

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Folks, I have a RasPi Raspberry Pi 3 Model B+ Rev 1.3 It also has a RGB led strip on it. But not much else. Over time the memory used keeps increasing and it is up to 93% I seem to remember if I restart NR, the memo…

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## [\[UPDATE\] node-red-contrib-zwave-js V11.1](https://discourse.nodered.org/t/update-node-red-contrib-zwave-js-v11-1/101807)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 1\
**Last updated:** [20 September 2026 14:11 UTC](https://discourse.nodered.org/t/update-node-red-contrib-zwave-js-v11-1/101807 "2026-09-20T14:11:34Z")

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Bug Fixes Restored tooltips on the sidebar. Ensure to capture complex objects in real time updates (UI). New Features Added an option to hide the status on Flow nodes. Added the ability to restrict Splitter nodes to…

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## [Once again TCP disconnect problem](https://discourse.nodered.org/t/once-again-tcp-disconnect-problem/101804)

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**Author:** [@robt](https://discourse.nodered.org/u/robt)\
**Replies:** 5\
**Last updated:** [20 September 2026 09:38 UTC](https://discourse.nodered.org/t/once-again-tcp-disconnect-problem/101804 "2026-09-20T09:38:11Z")

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Hello, I would like to use a small weather station which delivers weather information any second self contained, as soon as a client is connected to. I'm able to connect and to get the weather information. However, I'm…

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## [Apply button on node Edit panel](https://discourse.nodered.org/t/apply-button-on-node-edit-panel/15005)

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**Author:** [@svefro](https://discourse.nodered.org/u/svefro)\
**Replies:** 46\
**Last updated:** [18 September 2026 10:31 UTC](https://discourse.nodered.org/t/apply-button-on-node-edit-panel/15005 "2026-09-18T10:31:34Z")

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I have quite a few large template nodes in my project that i sometimes work on. When debugging the results i have to click ok and then deploy to see the changes. After this i have to re-open the edit panel for the temp…

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## [Zwave JS loop help](https://discourse.nodered.org/t/zwave-js-loop-help/101794)

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**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\
**Replies:** 8\
**Last updated:** [18 September 2026 10:23 UTC](https://discourse.nodered.org/t/zwave-js-loop-help/101794 "2026-09-18T10:23:28Z")

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I currently have 3 zwave devices that I switch on with delay between them of a few seconds The function node is as follows if (msg.payload.directive == "TurnOn") { // === means equals, both value and datatype ie 1 …

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## [Device-offline phone alerts with Echobell: a flow with per-source cooldown](https://discourse.nodered.org/t/device-offline-phone-alerts-with-echobell-a-flow-with-per-source-cooldown/101800)

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**Author:** [@noobnooc](https://discourse.nodered.org/u/noobnooc)\
**Replies:** 0\
**Last updated:** [17 September 2026 15:46 UTC](https://discourse.nodered.org/t/device-offline-phone-alerts-with-echobell-a-flow-with-per-source-cooldown/101800 "2026-09-17T15:46:50Z")

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Hi everyone — I'm the developer of Echobell, operated by Dippod LLC. It's an iOS/Android app for webhook and email notifications. I'm sharing a small Node-RED example for getting device-offline events onto a phone withou…

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## [Browser tools for Node-RED and IIoT](https://discourse.nodered.org/t/browser-tools-for-node-red-and-iiot/101796)

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**Author:** [@saurabhholikar](https://discourse.nodered.org/u/saurabhholikar)\
**Replies:** 2\
**Last updated:** [17 September 2026 14:30 UTC](https://discourse.nodered.org/t/browser-tools-for-node-red-and-iiot/101796 "2026-09-17T14:30:54Z")

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I built a collection of free browser tools for Node-RED and IIoT I was repeatedly creating MQTT, REST API, Modbus TCP and JSON flows, so I built some browser-based utilities to speed up the process. Current tools inclu…

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## [Odd behaviour or error with Safari 27 on Mac](https://discourse.nodered.org/t/odd-behaviour-or-error-with-safari-27-on-mac/101788)

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**Author:** [@SteveD](https://discourse.nodered.org/u/SteveD)\
**Replies:** 9\
**Last updated:** [17 September 2026 09:14 UTC](https://discourse.nodered.org/t/odd-behaviour-or-error-with-safari-27-on-mac/101788 "2026-09-17T09:14:17Z")

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My Mac updated to Safari 27 today and now I get an annoying behaviour. When I first open the NodeRED editor in a fresh Safari I can't navigate away from the first tab. Whenever I click another tab it displays the new tab…

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## [Search feature improvements](https://discourse.nodered.org/t/search-feature-improvements/101792)

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**Author:** [@svefro](https://discourse.nodered.org/u/svefro)\
**Replies:** 9\
**Last updated:** [16 September 2026 13:44 UTC](https://discourse.nodered.org/t/search-feature-improvements/101792 "2026-09-16T13:44:28Z")

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i can only search for one string at a time if i want to find a "change" node that sets the topit to motion and the value to outside i can not do that. i have to either search for motion or outside when i implement sear…

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## [Simple template table example needed](https://discourse.nodered.org/t/simple-template-table-example-needed/101784)

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**Author:** [@protonmw](https://discourse.nodered.org/u/protonmw)\
**Replies:** 11\
**Last updated:** [16 September 2026 13:42 UTC](https://discourse.nodered.org/t/simple-template-table-example-needed/101784 "2026-09-16T13:42:35Z")

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Nodered using dashboard2: Please, who can show me a really simple example of drawing a simple v-table by using msg.payload as data input? I tried this with the "desserts"-array as payload the whole day but nothing rend…

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## [Feature Request: Pushover E2EE](https://discourse.nodered.org/t/feature-request-pushover-e2ee/101780)

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**Author:** [@wooferguy](https://discourse.nodered.org/u/wooferguy)\
**Replies:** 8\
**Last updated:** [16 September 2026 12:58 UTC](https://discourse.nodered.org/t/feature-request-pushover-e2ee/101780 "2026-09-16T12:58:56Z")

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Is there any appetite for this new addition to the base Pushover API? As described, this provides End-to-End Encryption for specific parts of Pushover requests - namely the message, title, url and url\_title. It does not…

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## [Help with some JS code](https://discourse.nodered.org/t/help-with-some-js-code/101785)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [16 September 2026 04:54 UTC](https://discourse.nodered.org/t/help-with-some-js-code/101785 "2026-09-16T04:54:58Z")

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Hey folks. Need some help. I have a "smart" TV (cough) but it is ONLY used for displaying. It has 4 HDMI inputs. I have an NVidia shield plugged into HDMI1. I have an Amp with multiple HDMI inputs plugged into HDMI2…

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## [Sum node doesn't add up](https://discourse.nodered.org/t/sum-node-doesnt-add-up/101771)

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**Author:** [@usernamepasswordBS](https://discourse.nodered.org/u/usernamepasswordBS)\
**Replies:** 30\
**Last updated:** [15 September 2026 20:29 UTC](https://discourse.nodered.org/t/sum-node-doesnt-add-up/101771 "2026-09-15T20:29:01Z")

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Hi all, I've got this little sum set up so i can manually put forward or backward the moment when my automated hot water heating comes on. The control is based on the state of charge of batteries and I can add or subtra…

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## [Login Issues on the email node using microsoft emails](https://discourse.nodered.org/t/login-issues-on-the-email-node-using-microsoft-emails/101786)

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**Author:** [@macmele](https://discourse.nodered.org/u/macmele)\
**Replies:** 1\
**Last updated:** [15 September 2026 11:13 UTC](https://discourse.nodered.org/t/login-issues-on-the-email-node-using-microsoft-emails/101786 "2026-09-15T11:13:07Z")

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Hi, I am trying to fetch emails from a microsoft account, I am getting the access token correctly but on the email node I am getting this error "Login disabled on this server" everything on the admin side has been confi…

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## [Podman or Docker how get the say node and festival working?](https://discourse.nodered.org/t/podman-or-docker-how-get-the-say-node-and-festival-working/101766)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 2\
**Last updated:** [15 September 2026 10:10 UTC](https://discourse.nodered.org/t/podman-or-docker-how-get-the-say-node-and-festival-working/101766 "2026-09-15T10:10:17Z")

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I am using Podman, (I would imagine Docker would be the similar), and node-red container. I am trying to get Festival working using the 'say' node. Has anyone got this working? as I cannot get it working. My audio is…

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## [Httprequest went AWOL](https://discourse.nodered.org/t/httprequest-went-awol/101728)

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**Author:** [@PdeJ](https://discourse.nodered.org/u/PdeJ)\
**Replies:** 8\
**Last updated:** [15 September 2026 09:41 UTC](https://discourse.nodered.org/t/httprequest-went-awol/101728 "2026-09-15T09:41:58Z")

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My Node Red flow spontaneously stopped running due to the httrequest node disappearing! As it is a core node, I understand that a repair would necessitate re-installing Node Red. Since the Flow is on a Raspberry Pi 2b wh…

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## [Node-Red restart events log](https://discourse.nodered.org/t/node-red-restart-events-log/101774)

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**Author:** [@logic28](https://discourse.nodered.org/u/logic28)\
**Replies:** 15\
**Last updated:** [15 September 2026 08:52 UTC](https://discourse.nodered.org/t/node-red-restart-events-log/101774 "2026-09-15T08:52:29Z")

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Is the heartbeat message the only way to detect Node Red restart events without creating sandbox violations when running on Venus? Thanks

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## [Tooltips annoyance](https://discourse.nodered.org/t/tooltips-annoyance/101781)

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**Author:** [@meini](https://discourse.nodered.org/u/meini)\
**Replies:** 6\
**Last updated:** [14 September 2026 22:12 UTC](https://discourse.nodered.org/t/tooltips-annoyance/101781 "2026-09-14T22:12:49Z")

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Those black tooltips pop up everywhere on the side or bottom and especially on mobile devices quite often they're stuck covering up buttons until I actually re-open NodeRed. This is particularly annoying since screen rea…

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## [Allow target to be also a jsonata expression](https://discourse.nodered.org/t/allow-target-to-be-also-a-jsonata-expression/10510)

<div class="topic-metadata">

**Author:** [@moebius](https://discourse.nodered.org/u/moebius)\
**Replies:** 8\
**Last updated:** [14 September 2026 15:04 UTC](https://discourse.nodered.org/t/allow-target-to-be-also-a-jsonata-expression/10510 "2026-09-14T15:04:31Z")

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Sometimes it would be handy to dynamically define not only the source but also the target field in a change node. So the "set" option should be extended with the jsonata expression.

[Next page](https://discourse.nodered.org/latest.md?page=1)