apache/superset

Last month doesn't appear on X axis for Time Series Line Chart

Open

#33905 opened on Jun 25, 2025

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 (10 comments) (0 reactions) (1 assignee)TypeScript (72,837 stars) (17,291 forks)batch import
good first issuepreset:bountypreset:bounty:bugviz:charts:timeseries

Description

Bug description

  1. Go to a time series line chart with monthly data from the example datasets
  2. Chose month time grain

Expected

Last month's label should show on X axis

Actual

Last month's label doesn’t show

Screenshots/recordings

Image

Superset version

master / latest-dev

Python version

3.11

Node version

18 or greater

Browser

Chrome

Additional context

No response

Checklist

  • I have searched Superset docs and Slack and didn't find a solution to my problem.
  • I have searched the GitHub issue tracker and didn't find a similar bug report.
  • I have checked Superset's logs for errors and if I found a relevant Python stacktrace, I included it here as text in the "additional context" section.

Contributor guide

Tech stack
typescriptreact
Domain
frontenddata
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic knowledge of React and TypeScriptFamiliarity with time series chart rendering
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Investigate the time series chart component in the frontend codebase, particularly the axis label rendering logic. Check the recent changes to the chart configuration and any existing tests. The issue has an assignee, so coordinate with them. Look for related code in packages/superset ui chart controls or similar directories.