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[BUG]: Y-axis autorange stops working when updating the xaxes range for subplots with shared x-axes and y-axes

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
68/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
javascript

Research direction

Start with the provided make_subplots reproduction using shared_xaxes and shared_yaxes, then trace the update_xaxes(range=(0, 100)) entry point in plotly.js. Compare autorange behavior for the 2×2 subplot case with cases that do not share both axes. Done means the explicit x-axis range no longer resets the y-axis ranges and the regression is covered by a test.

Written by the indexing model from the issue text.

Description

bug P2 size: 1
Description

Making a subplot figure with shared_xaxes = True, shared_yaxes=True and updating the figure to with an explicit xaxis_range resets the y-axes ranges to (-1, 4).

  • This only happens of both the x-axes and y-axes are shared, and only when updating the x-axes range.
  • It only happens if you actually have more than one row, and more than one column in the figure.
  • Tried with numpy inputs and plain python lists - same result.
Steps to reproduce
import numpy as np
import plotly.graph_objects as go
from plotly.subplots import make_subplots

fig = make_subplots(rows=2, cols=2, shared_xaxes=True, shared_yaxes=True)
x = np.linspace(0, 100, 200)
y = 10 * x
fig.add_scatter(x=x, y=y, row=1, col=1)
fig.add_scatter(x=x, y=y, row=1, col=2)
fig.add_scatter(x=x, y=y, row=2, col=1)
fig.add_scatter(x=x, y=y, row=2, col=2)
fig.update_xaxes(range=(0, 100))
fig.show()
Dominant language
JavaScript
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Merged PRs (30d)
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