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Update configuration options #1414

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sfc-gh-dmatthews merged 2 commits into from
Feb 9, 2026
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Merged

Update configuration options #1414

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6649a38
Update config-toml.md
sfc-gh-dmatthews Feb 6, 2026
71faa4b
Theme guide
sfc-gh-dmatthews Feb 6, 2026
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42 changes: 42 additions & 0 deletions content/develop/api-reference/configuration/config-toml.md
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,15 @@ toolbarMode = "auto"
#
# Default: true
showSidebarNavigation = true

# Controls whether to show external help links (Google, ChatGPT) in
# error displays. The following values are valid:
# - "auto" (default) : Links are shown only on localhost.
# - True : Links are shown on all domains.
# - False : Links are never shown.
#
# Default: "auto"
showErrorLinks = "auto"
```

#### Runner
Expand Down Expand Up @@ -344,6 +353,12 @@ enableStaticServing = false
# Default: 120
disconnectedSessionTTL = 120

# Enable the experimental Starlette-based server implementation instead of
# Tornado. This is an experimental feature and may be removed in the future.
#
# Default: false
useStarlette = false

# Server certificate file for connecting via HTTPS.
# Must be set at the same time as "server.sslKeyFile".
#
Expand Down Expand Up @@ -431,6 +446,9 @@ tables, except for the following options:
- `showSidebarBorder`
- `chartCategoricalColors`
- `chartSequentialColors`
- `chartDivergingColors`

Additionally, everything in `[theme.sidebar]` can be configured in separate `[theme.dark.sidebar]` and `[theme.light.sidebar]` tables.

```toml
[theme]
Expand Down Expand Up @@ -956,6 +974,30 @@ chartCategoricalColors =
# "#e4f5ff", #blue10
# ]
chartSequentialColors =

# An array of ten colors to use for diverging chart data.
#
# The ten colors create a diverging color scale, typically used for data
# with a meaningful midpoint. These colors apply to Plotly, Altair, and
# Vega-Lite charts.
#
# Invalid color strings are skipped. If there are not exactly ten
# valid colors specified, Streamlit uses a default set of colors.
#
# The default colors are:
# [
# "#7d353b", #red100
# "#bd4043", #red90
# "#ff4b4b", #red70
# "#ff8c8c", #red50
# "#ffc7c7", #red30
# "#a6dcff", #blue30
# "#60b4ff", #blue50
# "#1c83e1", #blue70
# "#0054a3", #blue90
# "#004280", #blue100
# ]
chartDivergingColors =
```

#### Sidebar theme
Expand Down
2 changes: 1 addition & 1 deletion content/develop/concepts/configuration/theming-colors-and-borders.md
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Expand Up @@ -34,7 +34,7 @@ The following two configuration options can only be applied to the whole app:

- `theme.base` sets the default colors for your app's theme to match one of Streamlit's two default themes (`"light"` or `"dark"`). If any theme configuation option is used and `theme.base` is not set, then Streamlit will use `"light"`.
- `theme.showSidebarBorder` sets the visibility of the border between the sidebar and the main body of your app.
- `theme.chartCategoricalColors` and `theme.chartSequentialColors` set the series colors for Plotly, Altair, and Vega-Lite charts.
- `theme.chartCategoricalColors`, `theme.chartSequentialColors`, and `theme.chartDivergingColors` set the series colors for Plotly, Altair, and Vega-Lite charts.

The following configuration options can be set separately for the sidebar by using the `[theme.sidebar]` table instead of the `[theme]` table in `config.toml`:

Expand Down