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[BUG]: Plotly (Dash) not updating xaxes range via Patch method when subplots are horizontal

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@emilykl 已经在做这个了。

开始于 2026年2月4日。

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描述

bug
Description

Plotly (Dash) not updating xaxes range via Patch method when 2 subplots are horizontal make_subplots(rows=1, cols=2, shared_xaxes="all"). It works fine when the two subplots are vertical.

Plotly / Dash versions
plotly 6.5.2
dash 3.4.0

Screenshots/Video

Horizontal: On 1st Forward or Backward click half the trend disappears, because the range does not get updated.
Image

Horizontal: On 2nd Forward or Backward click half the trend disappears, because the range does not get updated.
Image

Vertical Subplots are OK! You can hit Forward/Backward as many times as you want
Image

Steps to reproduce
  1. Run attached code
  2. When Dropdown is Horizontal (default), use Forward/Backward button and trend will disappear in two clicks. The x-range does not keep up when the trend is updated via the Patch method patched_figure["layout"][f"xaxis{index + 1}"]["range"] = [now, now + timedelta(days=4)]
  3. When Dropdown is Vertical, all works as is should. You can hit Forward/Backward as many times as you want.

plotly_dash_patch.py

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