Problemsby IbisTrouble with Apache Superset chart
Analytics and BI9 posts from 7 people8d active+11 post in the last 7 days, 4 the 7 days before (fading)
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The posts behind it
9, newest firstContribution post-processing without options returns 500 on chart data### Bug description A chart-data request whose `contribution` post-processing operation carries no `options` key returns HTTP 500 (`KeyError: 'options'`) instead of a 4xx. `options` is optional in the post-processing schema, so `{"operation": "contribution"}` is valid input, but...apache/superset · SEPURI-SAI-KRISHNA1 repliesOpen ↗Dashboard import fails with an unknown reason when metadata names an unresolvable chart### Bug description Importing a dashboard fails with "Import dashboard failed for an unknown reason" when the dashboard's `json_metadata` names a chart ID that the import cannot look up. The message gives no hint about which chart or which field is at fault. `update_id_refs` in...apache/superset · SEPURI-SAI-KRISHNA1 repliesOpen ↗MCP get_chart_data returns different numbers than the dashboard when saved query_context is missing or outdated...shows the QoQ change; get_chart_data returns the plain sum of the metric. Why it is hard to notice: the fallback only calls ctx.warning(...), which does not reach the client’s tool result, so an LLM client presents the number as correct. Charts with a stale saved context are not...apache/superset · championble31 repliesOpen ↗Mixed chart: "Only Total" stack labels never show for Query B and land on the wrong bar for Query A when an annotation layer is shown### Bug description In the Mixed Chart (`mixed_timeseries`), the stack total label from **Show Values** + **Stack series** + **Only Total** is not drawn on the topmost series: - **Query B:** the total never shows. With the defaults (Only Total is on by default), a stacked Query...apache/superset · raams95Open ↗MCP: update_chart resets saved settings the caller did not name (bar becomes line, ag-grid becomes table)### Bug description Updating a saved chart through the MCP `update_chart` tool changes more than the caller named. A `config` that names a few fields resets the other saved settings to the mapper's defaults, and a change of viz type inside one chart type silently replaces the...apache/superset · tien238lnd1 repliesOpen ↗MCP Chart Creation Fails With a Custom User Model### Bug description When the MCP `generate_chart` tool creates a chart in a Superset deployment using a custom security manager and custom user model, the chart insert fails at transaction commit with an SQLAlchemy `FlushError`. I think that the failure occurs because MCP user...apache/superset · lhpaoletti1 repliesOpen ↗nightly mypy: Slice.uuid.in_() fails union-attr on chart import (CoreChart.uuid shadows the real Column)Problem The nightly full-repo mypy sweep fails with two `[union-attr]` errors on `Slice.uuid.in_(dependency_chart_uuids)` in `superset/commands/chart/importers/v1/__init__.py:162`: `Item "UUID" of "UUID | None" has no attribute "in_"` and the `None` variant. First seen on the...apache/superset · sadpandajoeOpen ↗Text reports show "-0.00" for negative values that round to zero, while the chart shows "0.00"### Bug description Reports that send a chart as text format numbers on the server with `superset/utils/number_format.py`, which is meant to reproduce the frontend's d3-format output. For negative values that round to zero at the chosen precision, it keeps the minus sign, while...apache/superset · devansh173Open ↗ECharts stacked Bar Chart value labels collide/duplicate on near-zero segments next to a large-magnitude outlier### Bug description Follow-up to #38037. The chart configuration described there (stacked ECharts Bar chart, "Show Value" enabled, mostly small values plus one very large-magnitude outlier in the same series) produces value labels that collide and overlap on the...apache/superset · sadpandajoe2 repliesOpen ↗
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About this problem
Evidence
9 posts from 7 people in 1 place, about 2 a week over 27 days. Mostly on apache/superset. Tools named alongside: Slack, GitHub, Text, Observe.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Apache Superset with no known issue, sharing the word "chart". First post Sep 21, 2026, latest Oct 17, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
Other Apache Superset problems
Apache Superset feels slow and laggyTrouble with Apache Superset insteadApache Superset upgrades break working setupsApache Superset users keep filing bugsCritical work in Apache Superset is fragile and manualTrouble with Apache Superset filterTrouble with Apache Superset columnApache Superset legacy setups slow everything downExperiments on Apache Superset are hard to reproduce and trackTrouble with Apache Superset queryTrouble with Apache Superset columns
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Trouble with Apache Superset chart (4 posts)