Issues

Issues

• [BUG] Patch.update mutates a shared mapping and rewrites earlier merges

  plotly/dash#4143 · opened on Nov 12, 2026

• [BUG] dcc.Dropdown: virtualized list keeps the height measured at opening when options grow while the menu is open

  plotly/dash#4131 · opened on Nov 9, 2026
  1

• [BUG] set_props streaming

  plotly/dash#4127 · opened on Nov 6, 2026
  1

• [BUG] dcc.Upload contents and dcc.Geolocation position docstrings describe the wrong value format

  plotly/dash#4125 · opened on Nov 6, 2026

• [BUG] dcc.Markdown mishandles escaped dollar inside math expression

  Bug

  plotly/dash#4123 · opened on Nov 5, 2026

• [BUG] Since 4.2.0, callback-returned children dispatch one store update per descendant (O(N²)); not fixed by #3881

  plotly/dash#4121 · opened on Nov 5, 2026

• [BUG] dcc.Graph loses zoom state with unchanged uirevision

  plotly/dash#4093 · opened on Oct 27, 2026
  2

• [Performance] Slow serialisation of callback responses

  plotly/dash#4065 · opened on Oct 14, 2026
  1

• Improve AI documentation of meta tags & replace constructor section with link to code to avoid drift.

  plotly/dash#4051 · opened on Oct 5, 2026

• Linter/Type Checking Replacement

  plotly/dash#4040 · opened on Oct 3, 2026
  3

• dash-renderer: determineChangedProps scans every layoutHashes entry for each dashChildrenUpdate component on every store update

  plotly/dash#4032 · opened on Oct 1, 2026
  1

• [Feature Request] Share a locally running app on a public URL with app.run(tunnel=True)

  plotly/dash#4029 · opened on Sep 30, 2026
  4

• [4.5.0rc0] Clientside callback runs with a stale Input value after set_props on page load (regression from 4.4.1, clientside callbacks now exempt from the HTTP-slot budget)

  plotly/dash#4013 · opened on Sep 25, 2026
  3

• [BUG] Plotly Cloud devtool route crashes with FastAPI and Quart backends

  Bug

  plotly/dash#4008 · opened on Sep 24, 2026
  1

• [Feature Request] Add cancellation API for streaming callbacks

  Feature

  plotly/dash#4004 · opened on Sep 22, 2026
  2

• [Feature Request] Add support for ws.send_event to a clientside EventBus

  Feature

  plotly/dash#3981 · opened on Sep 13, 2026
  2

• [BUG] Dash Hooks missing docstring

  plotly/dash#3979 · opened on Sep 10, 2026

• [BUG] ctx.triggered_id is not recognized as a dict

  plotly/dash#3968 · opened on Sep 1, 2026
  4

• [Feature Request] Update Mathjax to 4.x

  plotly/dash#3956 · opened on Aug 21, 2026
  3

• [BUG] Dev Tools: Callback map error: Not possible to find intersection inside of the rectangle

  plotly/dash#3943 · opened on Aug 6, 2026
  4

• [BUG] dcc.Patch() wipes persistence of sibling pattern-matching elements

  plotly/dash#3937 · opened on Aug 3, 2026
  1

• [BUG] dcc.RangeSlider ignores allowCross=False and lets handles cross

  plotly/dash#3935 · opened on Aug 1, 2026
  1

• [Feature Request] Option to compress request payload in a callback

  plotly/dash#3924 · opened on Jul 29, 2026
  1

• [Feature Request] Support Curved Decision Boundaries and Dynamic Phase Detection for Bar Components

  plotly/dash#3913 · opened on Jul 22, 2026
  3

• (Docs Update) Using .mjs assets requires explicit mimetype specification

  plotly/dash#3900 · opened on Jul 16, 2026
  3