# Latest **URL:** https://community.plotly.com/latest.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 --- ## [How to use MathJax and dcc.Link in Dash AG Grid cells](https://community.plotly.com/t/how-to-use-mathjax-and-dcc-link-in-dash-ag-grid-cells/97681)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 2\ **Last updated:** [September 21, 2026, 5:14am UTC](https://community.plotly.com/t/how-to-use-mathjax-and-dcc-link-in-dash-ag-grid-cells/97681 "2026-09-21T05:14:36Z")
How to use MathJax and dcc.Link in Dash AG Grid cells Rendering MathJax and dcc.Link in a cell was a popular feature request for DataTable. Now that DataTable is deprecated, this post shows how to do this with Dash AG Gr… --- ## [Plotly chart becomes slow with a large dataset](https://community.plotly.com/t/plotly-chart-becomes-slow-with-a-large-dataset/97675)
**Author:** [@lilyhazel265](https://community.plotly.com/u/lilyhazel265)\ **Replies:** 2\ **Last updated:** [September 20, 2026, 10:24am UTC](https://community.plotly.com/t/plotly-chart-becomes-slow-with-a-large-dataset/97675 "2026-09-20T10:24:31Z")
Hi, I’m using Plotly to display a dataset with a lot of points, and the chart becomes noticeably slow when zooming or panning. Is there a recommended way to improve the performance, without reducing too much of the data? … --- ## [FlexViz: the successor of plotly-resampler](https://community.plotly.com/t/flexviz-the-successor-of-plotly-resampler/97707)
**Author:** [@jvdd](https://community.plotly.com/u/jvdd)\ **Replies:** 0\ **Last updated:** [September 20, 2026, 10:20am UTC](https://community.plotly.com/t/flexviz-the-successor-of-plotly-resampler/97707 "2026-09-20T10:20:07Z")
A couple of years ago we had the pleasure to share our tool plotly-resampler with you. The goal of this tool was to make in-memory line chart visualization scalable within the plotly.py and dash framework. Since then, we… --- ## [💫 Plotly-resampler - Visualize large time series using plotly-dash](https://community.plotly.com/t/plotly-resampler-visualize-large-time-series-using-plotly-dash/59097)
**Author:** [@jonvdrdo](https://community.plotly.com/u/jonvdrdo)\ **Replies:** 21\ **Last updated:** [September 20, 2026, 9:35am UTC](https://community.plotly.com/t/plotly-resampler-visualize-large-time-series-using-plotly-dash/59097 "2026-09-20T09:35:22Z")
I proudly present plotly-resampler, a wrapper around the plotly Figure object, which is able to visualize large sequences of time-series data. I wrote a custom dash-component to optimize the callbacks (i.e. only send … --- ## [Comprehensive release notes for plotly.js 4 / plotly.py 7](https://community.plotly.com/t/comprehensive-release-notes-for-plotly-js-4-plotly-py-7/97691)
**Author:** [@chriddyp](https://community.plotly.com/u/chriddyp)\ **Replies:** 0\ **Last updated:** [September 18, 2026, 9:13pm UTC](https://community.plotly.com/t/comprehensive-release-notes-for-plotly-js-4-plotly-py-7/97691 "2026-09-18T21:13:38Z")
Hey everyone! Plotly.js / Plotly.py were released a couple of weeks ago :tada: I put together a very complete set of release notes with examples for all of the features, bug fixes, and changes-to-defaults. Check it out… --- ## [Is the Dash Framework in Trouble?](https://community.plotly.com/t/is-the-dash-framework-in-trouble/97531)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 12\ **Last updated:** [September 18, 2026, 3:00pm UTC](https://community.plotly.com/t/is-the-dash-framework-in-trouble/97531 "2026-09-18T15:00:10Z")
I pulled that directly from the Discourse JSON API. New topics in the Dash Python category dropped from ~50/month in mid-2025 to ~11/month in mid-2026, and median views per new topic fell from ~140 to ~8… --- ## [Calgary Street Cameras Images Download](https://community.plotly.com/t/calgary-street-cameras-images-download/97661)
**Author:** [@andguez](https://community.plotly.com/u/andguez)\ **Replies:** 3\ **Last updated:** [September 17, 2026, 4:19pm UTC](https://community.plotly.com/t/calgary-street-cameras-images-download/97661 "2026-09-17T16:19:39Z")
Hi everyone! I love taking photos with all kinds of devices, from low-resolution vintage gear and early 2000s digital cameras to Polaroids and DIY pinhole cameras (this one was a fail for me). Recently, I decided to ta… --- ## [Can't sign in to Plotly Cloud — "Couldn't sign in" error on all browsers](https://community.plotly.com/t/cant-sign-in-to-plotly-cloud-couldnt-sign-in-error-on-all-browsers/97648)
**Author:** [@Samhith\_Krishna](https://community.plotly.com/u/Samhith_Krishna)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 4:40pm UTC](https://community.plotly.com/t/cant-sign-in-to-plotly-cloud-couldnt-sign-in-error-on-all-browsers/97648 "2026-09-16T16:40:06Z")
Hi all, I’m trying to sign in to Plotly Cloud (cloud.plotly.com) for the first time to publish a Dash app, but I’m consistently getting this error after attempting to sign in: {"error":{"message":"Something went wrong"… --- ## [FYI - PyPI Changed Download Counting Algorithm](https://community.plotly.com/t/fyi-pypi-changed-download-counting-algorithm/97637)
**Author:** [@Robert\_Claus](https://community.plotly.com/u/Robert_Claus)\ **Replies:** 1\ **Last updated:** [September 16, 2026, 3:59pm UTC](https://community.plotly.com/t/fyi-pypi-changed-download-counting-algorithm/97637 "2026-09-16T15:59:47Z")
Just a heads up for the community since this affects many other projects in the Python ecosystem. On August 24th PyPI released a change to it’s download counting algorithm to exclude .metadata file downloads. So some co… --- ## [New dash package: dash-init](https://community.plotly.com/t/new-dash-package-dash-init/97549)
**Author:** [@Emmanuel\_Omonbude](https://community.plotly.com/u/Emmanuel_Omonbude)\ **Replies:** 3\ **Last updated:** [September 11, 2026, 4:08pm UTC](https://community.plotly.com/t/new-dash-package-dash-init/97549 "2026-09-11T16:08:07Z")
Hi all, I just published a new open source Python package: dash-init Every time I started a new Plotly Dash project, I rebuilt the same boilerplate: app file, assets folder, requirements, deployment config. So I automat… --- ## [Make scatter trace extend beyond the plot area](https://community.plotly.com/t/make-scatter-trace-extend-beyond-the-plot-area/97590)
**Author:** [@ckkart](https://community.plotly.com/u/ckkart)\ **Replies:** 4\ **Last updated:** [September 10, 2026, 8:31pm UTC](https://community.plotly.com/t/make-scatter-trace-extend-beyond-the-plot-area/97590 "2026-09-10T20:31:17Z")
Hi, I would like to allow a trace of a scatter plot to extend in y beyond the plot area, i.e. the recatangle limited by the max range values. The intention is to draw attention to an event in a time series which has muc… --- ## [A Dash cookbook for huge, multichannel time series: from toy labeling demo to lab-deployed desktop app](https://community.plotly.com/t/a-dash-cookbook-for-huge-multichannel-time-series-from-toy-labeling-demo-to-lab-deployed-desktop-app/97486)
**Author:** [@yzhaoinuw](https://community.plotly.com/u/yzhaoinuw)\ **Replies:** 2\ **Last updated:** [September 10, 2026, 3:58pm UTC](https://community.plotly.com/t/a-dash-cookbook-for-huge-multichannel-time-series-from-toy-labeling-demo-to-lab-deployed-desktop-app/97486 "2026-09-10T15:58:15Z")
I present Time Series App Cookbook — a runnable Dash template for navigating and annotating recordings of millions of points without lag, built on plotly-resampler. The demo makes 2.7M synthetic samples, so you can fee… --- ## [Reproducible figure-interchange format + a Plotly-figure mapping — interop feedback welcome](https://community.plotly.com/t/reproducible-figure-interchange-format-a-plotly-figure-mapping-interop-feedback-welcome/97566)
**Author:** [@Isaac\_Neuhaus](https://community.plotly.com/u/Isaac_Neuhaus)\ **Replies:** 4\ **Last updated:** [September 10, 2026, 12:57pm UTC](https://community.plotly.com/t/reproducible-figure-interchange-format-a-plotly-figure-mapping-interop-feedback-welcome/97566 "2026-09-10T12:57:09Z")
We maintain cxspec, a versioned, self-describing figure format: a single portable JSON object that carries a chart’s data and the spec to render it, with a stated forward-render/compatibility policy, a structural round-t… --- ## [Dash-email — build, preview, and operate an Email Post Office without leaving Dash](https://community.plotly.com/t/dash-email-build-preview-and-operate-an-email-post-office-without-leaving-dash/97290)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 10:37pm UTC](https://community.plotly.com/t/dash-email-build-preview-and-operate-an-email-post-office-without-leaving-dash/97290 "2026-09-09T22:37:34Z")
Hi all :waving\_hand: I just released dash-email, a component library for building HTML email templates using plain Dash syntax. It wraps the component patterns from React Email so you can design an email t… --- ## [Cannot find active updatemenu button](https://community.plotly.com/t/cannot-find-active-updatemenu-button/97503)
**Author:** [@Alchemist](https://community.plotly.com/u/Alchemist)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 10:32pm UTC](https://community.plotly.com/t/cannot-find-active-updatemenu-button/97503 "2026-09-09T22:32:50Z")
Hi, I am currently writing a code to depict some signal values from the graphs. The graphs could toggle between the values Sig1 and Sig2 and hence plot different points. Since I am using these plots as images in another… --- ## [Over the next 31 days 2plot.ai will be Sponsoring over $1,000 to support dash open source](https://community.plotly.com/t/over-the-next-31-days-2plot-ai-will-be-sponsoring-over-1-000-to-support-dash-open-source/97376)
**Author:** [@PipInstallPython](https://community.plotly.com/u/PipInstallPython)\ **Replies:** 8\ **Last updated:** [September 8, 2026, 3:32am UTC](https://community.plotly.com/t/over-the-next-31-days-2plot-ai-will-be-sponsoring-over-1-000-to-support-dash-open-source/97376 "2026-09-08T03:32:33Z")
:waving\_hand::cowboy\_hat\_face: Howdy everyone, I’m striking out as an Open Source Federated Network maintainer for what is: The network is built with a growing range of tools and components perfected ov… --- ## [dcc.Link Issue on my Website](https://community.plotly.com/t/dcc-link-issue-on-my-website/97054)
**Author:** [@akishira](https://community.plotly.com/u/akishira)\ **Replies:** 3\ **Last updated:** [September 6, 2026, 3:53pm UTC](https://community.plotly.com/t/dcc-link-issue-on-my-website/97054 "2026-09-06T15:53:48Z")
did anyone used dcc.Link refresh= False, and when you click something that will redirect to another page, it will scroll up first before changing the page? this is my recently hosted website: --- ## [New Feature Preview! Floating tooltips with \`hoveranywhere\`](https://community.plotly.com/t/new-feature-preview-floating-tooltips-with-hoveranywhere/97554)
**Author:** [@AnnMarieW](https://community.plotly.com/u/AnnMarieW)\ **Replies:** 1\ **Last updated:** [September 3, 2026, 4:23pm UTC](https://community.plotly.com/t/new-feature-preview-floating-tooltips-with-hoveranywhere/97554 "2026-09-03T16:23:24Z")
Coming soon! :tada: New in Dash 4.5 and Plotly 7 When you add hoveranywhere=True or clickanywhere=True to Plotly figures, you can now get the get the cursor position even when it isn’t directly over a data point. The … --- ## [Is it possible to select from dropdown in YADA?](https://community.plotly.com/t/is-it-possible-to-select-from-dropdown-in-yada/95129)
**Author:** [@Brent](https://community.plotly.com/u/Brent)\ **Replies:** 15\ **Last updated:** [September 1, 2026, 12:57pm UTC](https://community.plotly.com/t/is-it-possible-to-select-from-dropdown-in-yada/95129 "2026-09-01T12:57:05Z")
I am playing with dash-yada. When I look through the code I see the possible actions are click, dblclick, sendKeys, type. I am trying to find a way to make yada select from a dropdown. I know the particular value will… --- ## [Future Angular-plotly releases? (Post V20)](https://community.plotly.com/t/future-angular-plotly-releases-post-v20/97356)
**Author:** [@Long](https://community.plotly.com/u/Long)\ **Replies:** 1\ **Last updated:** [August 27, 2026, 2:43pm UTC](https://community.plotly.com/t/future-angular-plotly-releases-post-v20/97356 "2026-08-27T14:43:22Z")
I understand Angular-Plotly has sync’ed up their versioning with the versioning of Angular starting with V20. What I’m wondering about is future releases of Angular-Plotly post Angular V20. There doesn’t seem to be any… --- ## [Change Plotly default behaviour for plotting datetimes?](https://community.plotly.com/t/change-plotly-default-behaviour-for-plotting-datetimes/95661)
**Author:** [@Tunneller](https://community.plotly.com/u/Tunneller)\ **Replies:** 2\ **Last updated:** [August 24, 2026, 4:29pm UTC](https://community.plotly.com/t/change-plotly-default-behaviour-for-plotting-datetimes/95661 "2026-08-24T16:29:37Z")
This is a really old question, but bumping just in case there is an update. I want users to see the time that sensor data was collected, not the time that it happened to be in a different part of the world. My failure … --- ## [Plotly uses my local timezone when having dates as data](https://community.plotly.com/t/plotly-uses-my-local-timezone-when-having-dates-as-data/9904)
**Author:** [@johnlemon93](https://community.plotly.com/u/johnlemon93)\ **Replies:** 2\ **Last updated:** [August 24, 2026, 4:26pm UTC](https://community.plotly.com/t/plotly-uses-my-local-timezone-when-having-dates-as-data/9904 "2026-08-24T16:26:32Z")
Hi, If I understand correctly, Plotly uses the local timezone of the machine by default to avoid DST problem, right? But actually I would like to see the datetime stuff in exactly that specific time of the data. Is th… --- ## [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… --- ## [Quiver Plots Preview (New!)](https://community.plotly.com/t/quiver-plots-preview-new/97450)
**Author:** [@chriddyp](https://community.plotly.com/u/chriddyp)\ **Replies:** 3\ **Last updated:** [August 21, 2026, 4:00pm UTC](https://community.plotly.com/t/quiver-plots-preview-new/97450 "2026-08-21T16:00:46Z")
Hey everyone - Plotly.js 4.0.0 right around the corner and it features a brand new trace type: quiver plots! We’ve long had workarounds for creating these plots and we’re excited to finally have this be a first-class tr… --- ## [Adding a data chatbot to your Dash apps](https://community.plotly.com/t/adding-a-data-chatbot-to-your-dash-apps/97474)
**Author:** [@chriddyp](https://community.plotly.com/u/chriddyp)\ **Replies:** 0\ **Last updated:** [August 20, 2026, 9:58pm UTC](https://community.plotly.com/t/adding-a-data-chatbot-to-your-dash-apps/97474 "2026-08-20T21:58:26Z")
Hello everyone! We’re really pleased to have released Plotly Studio Embedded this week. Plotly Studio Embedded adds a very nice chart-making, data-querying chatbot to your Dash apps. We’re going to have a launch event n… --- ## [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… --- ## [Circle brush for scatter plot](https://community.plotly.com/t/circle-brush-for-scatter-plot/97435)
**Author:** [@binary](https://community.plotly.com/u/binary)\ **Replies:** 1\ **Last updated:** [August 19, 2026, 6:23pm UTC](https://community.plotly.com/t/circle-brush-for-scatter-plot/97435 "2026-08-19T18:23:30Z")
Hello, Is there any fragment code on how to add multiple circle bushes onto a scatter plot. Any hints would be appreciated. Thank you --- ## [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… --- ## [Introducing Plotly Studio Embedded 🎉 Add AI data chatbots to your Dash apps](https://community.plotly.com/t/introducing-plotly-studio-embedded-add-ai-data-chatbots-to-your-dash-apps/97440)
**Author:** [@chriddyp](https://community.plotly.com/u/chriddyp)\ **Replies:** 0\ **Last updated:** [August 17, 2026, 11:17pm UTC](https://community.plotly.com/t/introducing-plotly-studio-embedded-add-ai-data-chatbots-to-your-dash-apps/97440 "2026-08-17T23:17:43Z")
Hey everyone - Really excited to share this feature that we launched today: Plotly Studio Embedded. If you’ve been following my work over the last year, you may know that I’ve been heads down in building out Plotly Stud… [Previous page](https://community.plotly.com/latest.md) [Next page](https://community.plotly.com/latest.md?page=2)