# Dash Python **URL:** https://community.plotly.com/c/python/25.md?page=1 [Latest](https://community.plotly.com/latest.md) · [Categories](https://community.plotly.com/categories.md) · [Tags](https://community.plotly.com/tags.md) **Page:** 2 --- ## [Time Series Labeling/Segmentation with Key Presses](https://community.plotly.com/t/time-series-labeling-segmentation-with-key-presses/90038)
**Author:** [@yzhaoinuw](https://community.plotly.com/u/yzhaoinuw)\ **Replies:** 3\ **Last updated:** [August 24, 2026, 4:03am UTC](https://community.plotly.com/t/time-series-labeling-segmentation-with-key-presses/90038 "2026-08-24T04:03:54Z")
I built a toy app that allows the user to label time series segments using key presses. It may be used in scenarios such as labeling a signal by second-level segments, or correcting predicted segment labels output by a m… --- ## [A real-world example of \`allow\_optional\` (Making callback Inputs, Outputs, States optional)](https://community.plotly.com/t/a-real-world-example-of-allow-optional-making-callback-inputs-outputs-states-optional/97452)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 5\ **Last updated:** [August 20, 2026, 2:25am UTC](https://community.plotly.com/t/a-real-world-example-of-allow-optional-making-callback-inputs-outputs-states-optional/97452 "2026-08-20T02:25:42Z")
I saw this earthquake monitoring dashboard in the Share Your Apps thread. This is a great app! Thanks @yakim for sharing. It has a really nice mobile-friendly UI using dash-mantine-components, a clean and well-structure… --- ## [App callback without an output](https://community.plotly.com/t/app-callback-without-an-output/5502)
**Author:** [@HansG](https://community.plotly.com/u/HansG)\ **Replies:** 36\ **Last updated:** [August 19, 2026, 4:47pm UTC](https://community.plotly.com/t/app-callback-without-an-output/5502 "2026-08-19T16:47:59Z")
Hi, is it possible to define an app callback without an output? Best --- ## [New in the Dash Docs: Building Dash Apps with AI Coding Assistants](https://community.plotly.com/t/new-in-the-dash-docs-building-dash-apps-with-ai-coding-assistants/97431)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 4\ **Last updated:** [August 18, 2026, 3:31am UTC](https://community.plotly.com/t/new-in-the-dash-docs-building-dash-apps-with-ai-coding-assistants/97431 "2026-08-18T03:31:49Z")
Building Dash Apps with AI Coding Assistants AI coding assistants are improving quickly, and it can be easy to miss the latest ways to use them with Dash. The new Building Dash Apps with AI Coding Assistants section of t… --- ## [Claude plugin authentication](https://community.plotly.com/t/claude-plugin-authentication/97433)
**Author:** [@wvw](https://community.plotly.com/u/wvw)\ **Replies:** 3\ **Last updated:** [August 17, 2026, 5:32pm UTC](https://community.plotly.com/t/claude-plugin-authentication/97433 "2026-08-17T17:32:35Z")
Claude Claude Code v2.1.223 /plugin plotly-dash-documentation MCP · ✘ failed after authentication successful: ⎿ Got new credentials, but reconnecting to plotly-dash-documentation failed: \[ { expected : string , cod… --- ## [How to level up Plotly Dash UI aesthetics + advice on custom React/TSX components & dynamic infographic banners](https://community.plotly.com/t/how-to-level-up-plotly-dash-ui-aesthetics-advice-on-custom-react-tsx-components-dynamic-infographic-banners/97388)
**Author:** [@pocholo](https://community.plotly.com/u/pocholo)\ **Replies:** 5\ **Last updated:** [August 14, 2026, 8:38pm UTC](https://community.plotly.com/t/how-to-level-up-plotly-dash-ui-aesthetics-advice-on-custom-react-tsx-components-dynamic-infographic-banners/97388 "2026-08-14T20:38:05Z")
Hi everyone, I’m currently building an industrial kiosk web application hosted inside Dataiku. The app runs on a dedicated screen and features: A central carousel for operational updates. An alerts/notice section … --- ## [PointWx - a nerdy app to inspect the local climate (and weather)](https://community.plotly.com/t/pointwx-a-nerdy-app-to-inspect-the-local-climate-and-weather/97416)
**Author:** [@guidocioni](https://community.plotly.com/u/guidocioni)\ **Replies:** 1\ **Last updated:** [August 13, 2026, 8:14pm UTC](https://community.plotly.com/t/pointwx-a-nerdy-app-to-inspect-the-local-climate-and-weather/97416 "2026-08-13T20:14:54Z")
I’ve been working on this app since 2023 and I feel like it now matured to a point where is worth showing off :slight\_smile: Point WX - Production Link This is a (proudly) personal/non-commercial project allowing … --- ## [Heroku Alternatives? Try Plotly Cloud](https://community.plotly.com/t/heroku-alternatives-try-plotly-cloud/67399)
**Author:** [@aestebanpl](https://community.plotly.com/u/aestebanpl)\ **Replies:** 8\ **Last updated:** [August 13, 2026, 7:33pm UTC](https://community.plotly.com/t/heroku-alternatives-try-plotly-cloud/67399 "2026-08-13T19:33:26Z")
Hi: Is there any heroku alternative to deploy dash apps in a free way ?. As we know Heroku free tiers will be deleted soon. As beginners we knew this famous tutorial Part 5. Publishing Your App | Dash for Python Docum… --- ## [dmc.Carousel example](https://community.plotly.com/t/dmc-carousel-example/97402)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 0\ **Last updated:** [August 11, 2026, 5:28pm UTC](https://community.plotly.com/t/dmc-carousel-example/97402 "2026-08-11T17:28:16Z")
In a previous post, @pocholo asked about building a carousel banner in Dash, and whether to use an image with dynamic overlays or build the banner with HTML/CSS. Here is a simple example using dmc.Carousel to build the … --- ## [dmc.DatePickerInput triggering callback when selecting first date but not the second](https://community.plotly.com/t/dmc-datepickerinput-triggering-callback-when-selecting-first-date-but-not-the-second/91493)
**Author:** [@bchurn](https://community.plotly.com/u/bchurn)\ **Replies:** 5\ **Last updated:** [August 3, 2026, 7:22pm UTC](https://community.plotly.com/t/dmc-datepickerinput-triggering-callback-when-selecting-first-date-but-not-the-second/91493 "2026-08-03T19:22:15Z")
Is there a way to prevent the dmc.DatePickerInput via dash-mantine-components from triggering callbacks upon selecting the first date but not the second? I am using the latest 1.1.0 build When using 0.12.1 I did not run… --- ## [The federated 2plot.dev docs network for Dash component libraries, with an llms.txt layer agents can actually use](https://community.plotly.com/t/the-federated-2plot-dev-docs-network-for-dash-component-libraries-with-an-llms-txt-layer-agents-can-actually-use/97365)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 3:49pm UTC](https://community.plotly.com/t/the-federated-2plot-dev-docs-network-for-dash-component-libraries-with-an-llms-txt-layer-agents-can-actually-use/97365 "2026-08-03T15:49:16Z")
I’ve been experimenting with llms.txt for Dash apps and wanted to share the approach, because I think the common pattern — a static text file that unloads your entire codebase to any scraper — misses most of what’s possi… --- ## [🗺️ Dash Leaflet 2 — drone tracking, image overlays, measurement tools & more](https://community.plotly.com/t/dash-leaflet-2-drone-tracking-image-overlays-measurement-tools-more/97352)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [August 1, 2026, 6:45pm UTC](https://community.plotly.com/t/dash-leaflet-2-drone-tracking-image-overlays-measurement-tools-more/97352 "2026-08-01T18:45:45Z")
I’ve been building a set of mapping components on top of Leaflet 2.0 (alpha) for Dash, aimed at filling some gaps I kept running into with map making in Dash apps. It includes drone/object tracking, a tile selector, im… --- ## [Share Your App - Explore Page - July 2026](https://community.plotly.com/t/share-your-app-explore-page-july-2026/97216)
**Author:** [@adamschroeder](https://community.plotly.com/u/adamschroeder)\ **Replies:** 5\ **Last updated:** [July 30, 2026, 1:48pm UTC](https://community.plotly.com/t/share-your-app-explore-page-july-2026/97216 "2026-07-30T13:48:07Z")
Thank you for your interest in submitting your Dash app to the Plotly Explore Page platform, visited by thousands of Dash users daily. Current submissions cycle will go until July 31, 2026. To submit your app, please r… --- ## [A high-performance editable data grid for Dash, built for large datasets](https://community.plotly.com/t/a-high-performance-editable-data-grid-for-dash-built-for-large-datasets/97331)
**Author:** [@Maksim\_K](https://community.plotly.com/u/Maksim_K)\ **Replies:** 0\ **Last updated:** [July 28, 2026, 5:27pm UTC](https://community.plotly.com/t/a-high-performance-editable-data-grid-for-dash-built-for-large-datasets/97331 "2026-07-28T17:27:01Z")
I recently added Python and Plotly Dash support to RevoGrid, giving Dash developers another option for building data-heavy and spreadsheet-like applications. Package Github Site It supports all you need to buil… --- ## [Built an OBS-style AI studio director in Dash (camera switching + lighting control)](https://community.plotly.com/t/built-an-obs-style-ai-studio-director-in-dash-camera-switching-lighting-control/97309)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [July 22, 2026, 5:02pm UTC](https://community.plotly.com/t/built-an-obs-style-ai-studio-director-in-dash-camera-switching-lighting-control/97309 "2026-07-22T17:02:20Z")
I’ve been using Dash for something a little outside the usual analytics dashboard: a custom studio control app that lets me switch between multiple cameras/viewports, share my screen for presentations, and control the ph… --- ## [🎬 dash-nle-timeline](https://community.plotly.com/t/dash-nle-timeline/97294)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [July 18, 2026, 5:47pm UTC](https://community.plotly.com/t/dash-nle-timeline/97294 "2026-07-18T17:47:29Z")
I’ve been missing a proper NLE (non-linear editing) timeline in Dash — the kind of layered, drag-and-drop timeline you see in video editors — so I built one and released it to PyPI as dash-nle-timeline. It’… --- ## [2plot.media - Built a Dash app that automates my whole YouTube publishing workflow](https://community.plotly.com/t/2plot-media-built-a-dash-app-that-automates-my-whole-youtube-publishing-workflow/97293)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 9:43pm UTC](https://community.plotly.com/t/2plot-media-built-a-dash-app-that-automates-my-whole-youtube-publishing-workflow/97293 "2026-07-17T21:43:14Z")
I wanted to share a little internal tool I built with Dash that handles the part of content creation I genuinely hate: the publishing busywork. I drop in a video, transcribe it with Superwhisper, paste the transcript int… --- ## [📅 dash-mui-scheduler — MUI X Scheduler + radial charts, wrapped for Dash](https://community.plotly.com/t/dash-mui-scheduler-mui-x-scheduler-radial-charts-wrapped-for-dash/97291)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 7:13pm UTC](https://community.plotly.com/t/dash-mui-scheduler-mui-x-scheduler-radial-charts-wrapped-for-dash/97291 "2026-07-17T19:13:57Z")
Hi all :waving\_hand: Demo App: I just released dash-mui-scheduler, a new component library that brings the MUI X Scheduler and the MUI X Premium radial charts into Dash as first-class Python components. … --- ## [Dash AG Grid Releases: v34.3.0, v35.3.0 and v36.0.0rc0](https://community.plotly.com/t/dash-ag-grid-releases-v34-3-0-v35-3-0-and-v36-0-0rc0/97286)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 0\ **Last updated:** [July 16, 2026, 8:58pm UTC](https://community.plotly.com/t/dash-ag-grid-releases-v34-3-0-v35-3-0-and-v36-0-0rc0/97286 "2026-07-16T20:58:10Z")
New releases of Dash AG Grid are now available: v34.3.0 v35.3.0 v36.0.0rc0 (release candidate) These releases add support for new AG Grid features, expand Master/Detail capabilities, support for Integrated Charts and … --- ## [FIFA World Cup - Plotly App Challenge](https://community.plotly.com/t/fifa-world-cup-plotly-app-challenge/97003)
**Author:** [@adamschroeder](https://community.plotly.com/u/adamschroeder)\ **Replies:** 14\ **Last updated:** [July 16, 2026, 5:28pm UTC](https://community.plotly.com/t/fifa-world-cup-plotly-app-challenge/97003 "2026-07-16T17:28:59Z")
:soccer\_ball: The FIFA World Cup is one of the biggest sporting events worldwide. To build on that momentum, we would like to challenge the community to build the best Dash app or Plotly Studio app possible to cover the … --- ## [Dash Club 22: Plotly Studio, Dash 4.4, and the Latest from the Dash Community](https://community.plotly.com/t/dash-club-22-plotly-studio-dash-4-4-and-the-latest-from-the-dash-community/97282)
**Author:** [@adamschroeder](https://community.plotly.com/u/adamschroeder)\ **Replies:** 0\ **Last updated:** [July 16, 2026, 5:15pm UTC](https://community.plotly.com/t/dash-club-22-plotly-studio-dash-4-4-and-the-latest-from-the-dash-community/97282 "2026-07-16T17:15:39Z")
Explore new releases, Dash MCP updates, FIFA World Cup Challenge winners, FastAPI and Quart integrations, and more. Plotly Studio and Dash Highlights Below you will find remarkable data apps built by the community and P… --- ## [Trouble Loading \*.mjs file](https://community.plotly.com/t/trouble-loading-mjs-file/93904)
**Author:** [@knot-a-dev](https://community.plotly.com/u/knot-a-dev)\ **Replies:** 15\ **Last updated:** [July 16, 2026, 1:45pm UTC](https://community.plotly.com/t/trouble-loading-mjs-file/93904 "2026-07-16T13:45:47Z")
I’m trying to learn how to use an mjs file in Dash. So far I have a file, example.mjs, in the assets folder. It contains this code // Export a named function export function greet(name) { return \`Hello, ${name}!\`; }… --- ## [Cannot plot go.Choropleth inside dcc.Graph](https://community.plotly.com/t/cannot-plot-go-choropleth-inside-dcc-graph/39516)
**Author:** [@dmbb93](https://community.plotly.com/u/dmbb93)\ **Replies:** 7\ **Last updated:** [July 9, 2026, 7:43pm UTC](https://community.plotly.com/t/cannot-plot-go-choropleth-inside-dcc-graph/39516 "2026-07-09T19:43:23Z")
Hi, I’m trying to plot a go.Choropleth map inside a figure fed to dcc.Graph. Unfortunately, the map is not showed and I’m faced with a grid kind of graph typically used for scatter plots (as per the image below). I’m r… --- ## [Deleting Rows in Dash AG Grid](https://community.plotly.com/t/deleting-rows-in-dash-ag-grid/78700)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 10\ **Last updated:** [July 6, 2026, 6:31pm UTC](https://community.plotly.com/t/deleting-rows-in-dash-ag-grid/78700 "2026-07-06T18:31:54Z")
Deleting Rows in Dash AG Grid This question came up in another topic, so I decided to make it a separate post. Here are several different ways to delete rows in Dash AG Grid. This post will demo: Using the deleteSele… --- ## [📣 New Feature: Click & Hover Anywhere on Graphs with Plotly 6.7 + Dash 4.4!](https://community.plotly.com/t/new-feature-click-hover-anywhere-on-graphs-with-plotly-6-7-dash-4-4/97220)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 1\ **Last updated:** [July 3, 2026, 7:37pm UTC](https://community.plotly.com/t/new-feature-click-hover-anywhere-on-graphs-with-plotly-6-7-dash-4-4/97220 "2026-07-03T19:37:20Z")
:megaphone: New Feature: Click & Hover Anywhere on Graphs with Plotly 6.7 + Dash 4.4! Hey everyone, We’re excited to announce a new interactive feature for dcc.Graph that’s been a popular request from the Dash communit… --- ## [\[1.3.0\] Dash Flows component & documentation upgrade](https://community.plotly.com/t/1-3-0-dash-flows-component-documentation-upgrade/97206)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [July 2, 2026, 5:44am UTC](https://community.plotly.com/t/1-3-0-dash-flows-component-documentation-upgrade/97206 "2026-07-02T05:44:21Z")
dash-flows wraps React Flow 12 (@xyflow/react) as a Plotly Dash component library — build interactive, node-based diagrams (workflows, data pipelines, org charts, state machines) that talk to your Pytho… --- ## [🐝 ai-agent.buzz — an AI infinite-canvas whiteboard in Dash, now driving live browsers → replayable filmstrips](https://community.plotly.com/t/ai-agent-buzz-an-ai-infinite-canvas-whiteboard-in-dash-now-driving-live-browsers-replayable-filmstrips/97203)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 0\ **Last updated:** [June 30, 2026, 2:53pm UTC](https://community.plotly.com/t/ai-agent-buzz-an-ai-infinite-canvas-whiteboard-in-dash-now-driving-live-browsers-replayable-filmstrips/97203 "2026-06-30T14:53:53Z")
:movie\_camera: Demo video: Hey all :waving\_hand: — Stared a new Youtube Channel and I wanted to share something I’ve been building entirely in Dash: ai-agent.buzz , an AI-powered infinite-canvas whiteboard.… --- ## [Scaling a Dash dashboard with multiple linked callbacks and large datasets](https://community.plotly.com/t/scaling-a-dash-dashboard-with-multiple-linked-callbacks-and-large-datasets/97194)
**Author:** [@kaileyketchum](https://community.plotly.com/u/kaileyketchum)\ **Replies:** 1\ **Last updated:** [June 30, 2026, 6:39am UTC](https://community.plotly.com/t/scaling-a-dash-dashboard-with-multiple-linked-callbacks-and-large-datasets/97194 "2026-06-30T06:39:22Z")
Hi everyone, I’m building a Dash application to visualize statistics for a community website, and I’m trying to decide on the best overall structure before the dataset gets much larger. The dashboard will eventually l… --- ## [How to get clientside callback to complete before other callbacks](https://community.plotly.com/t/how-to-get-clientside-callback-to-complete-before-other-callbacks/97196)
**Author:** [@zachmorris](https://community.plotly.com/u/zachmorris)\ **Replies:** 2\ **Last updated:** [June 30, 2026, 12:41am UTC](https://community.plotly.com/t/how-to-get-clientside-callback-to-complete-before-other-callbacks/97196 "2026-06-30T00:41:36Z")
I would like to get the users timezone in order to display info on the page relevant to their timezone. The issue I have is that I cant seem to get the users timzone from a clientside callback on the initial load of the… --- ## [What is the best way to get the x and y data from a figure](https://community.plotly.com/t/what-is-the-best-way-to-get-the-x-and-y-data-from-a-figure/97021)
**Author:** [@Brent](https://community.plotly.com/u/Brent)\ **Replies:** 16\ **Last updated:** [June 26, 2026, 3:47pm UTC](https://community.plotly.com/t/what-is-the-best-way-to-get-the-x-and-y-data-from-a-figure/97021 "2026-06-26T15:47:51Z")
I am creating a figure with go.Figure. After I create the figure, I can look at the x and y data in the first trace with figure\[‘data’\]\[0\]\[‘x’‘\] and figure\[‘data’\]\[0\]\[‘y’\]. x and y are numpy.ndarrays. When I get the … [Previous page](https://community.plotly.com/c/python/25.md) [Next page](https://community.plotly.com/c/python/25.md?page=2)