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1. MarkusNeusinger

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   spec-requestNew specification requestNew specification request

   approvedApproved for implementationApproved for implementation

   on Dec 25, 2025
2. claude commented on Dec 25, 2025

   

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   ✅ Spec ID: line-timeseries

   Rationale: This spec focuses specifically on datetime x-axis handling with smart date formatting/tick labels, which is distinct from line-basic (general sequential data) and line-multi (multiple series comparison). Time series plots require specialized date formatting logic.

   Add label approved to begin generation.
3. github-actions

   added a commit that references this issue on Dec 25, 2025

   spec: add line-timeseries specification

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4. claude

   changed the title [-]line-timeseries: Time Series Line Plot[/-] [+][line-timeseries] line-timeseries: Time Series Line Plot[/+] on Dec 25, 2025
5. github-actions commented on Dec 25, 2025

   

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   ✅ Specification Ready: line-timeseries

   PR: #2016

   ---

   specification.md

   line-timeseries: Time Series Line Plot

   Description

   A time series line plot displays data points connected by lines over a datetime x-axis, with smart date formatting that automatically adjusts tick labels based on the time scale (days, months, years). This plot type is essential for temporal data analysis where proper date formatting and readability are critical. Unlike basic line plots, time series plots handle datetime parsing, timezone awareness, and intelligent tick label formatting.

   Applications

   • Tracking stock prices or financial instrument performance over trading periods
   • Monitoring sensor readings (temperature, humidity, pressure) over time
   • Analyzing website traffic, user engagement, or API usage patterns over days/months

   Data

   • date (datetime) - Timestamp values representing points in time
   • value (numeric) - Continuous measurements or observations at each timestamp
   • Size: 30-500 points (enough to show meaningful temporal patterns)
   • Example: Daily closing prices for a stock over one year, hourly temperature readings for a week

   Notes

   • Use intelligent date formatting that adapts to the time range (e.g., "%H:%M" for hours, "%b %d" for days, "%Y" for years)
   • Rotate or stagger tick labels if needed to prevent overlap
   • Include grid lines on both axes for improved readability
   • Consider using date locators (e.g., MonthLocator, DayLocator) for consistent tick spacing
   • The x-axis should clearly communicate the temporal nature of the data

   ---

   Next: Add approved label to merge this specification to main.

   ---

   🤖 spec-create workflow
6. MarkusNeusinger

   added a commit that references this issue on Dec 25, 2025

   spec: add line-timeseries specification (#2016)

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7. MarkusNeusinger

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   spec-readySpecification merged to mainSpecification merged to main

   generate:matplotlibTrigger matplotlib implementationTrigger matplotlib implementation

   generate:seabornTrigger seaborn implementationTrigger seaborn implementation

   generate:plotlyTrigger plotly implementationTrigger plotly implementation

   generate:altairTrigger altair implementationTrigger altair implementation

   generate:bokehTrigger bokeh implementationTrigger bokeh implementation

   generate:plotnineTrigger plotnine implementationTrigger plotnine implementation

   and removed

   spec-requestNew specification requestNew specification request

   on Dec 26, 2025
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9. github-actions

   closed this as completedon Oct 28, 2026
10. github-actions

    reopened this on Oct 29, 2026
11. github-actions commented on Oct 29, 2026

    

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    🎨 r/ggplot2 Preview

    Light	Dark

    PR: #12435
    Model: sonnet (regeneration)

    ---

    🤖 impl-generate
12. MarkusNeusinger

    added a commit that references this issue on Oct 29, 2026

    feat(ggplot2): implement line-timeseries (#12435)

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13. github-actions commented on Oct 29, 2026

    

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    ✅ ggplot2 Complete

    ggplot2 implementation for line-timeseries has been merged to main.

    PR: #12435
    Quality Score: 83/100
    Regen: previous 88 → 83 (stored scores)

    Preview: light · dark

    ---

    🤖 impl-merge
14. github-actions commented on Oct 29, 2026

    

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    🎉 All Implementations Complete!

    All 15 library implementations for line-timeseries have been successfully merged.

    Library	Status
    altair	✅
    bokeh	✅
    chartjs	✅
    d3	✅
    echarts	✅
    ggplot2	✅
    highcharts	✅
    letsplot	✅
    makie	✅
    matplotlib	✅
    muix	✅
    plotly	✅
    plotnine	✅
    pygal	✅
    seaborn	✅

    ---

    🤖 impl-merge
15. github-actions

    closed this as completedon Oct 29, 2026
16. github-actions

    reopened this on Oct 31, 2026
17. github-actions

    added

    impl:highcharts:pendinghighcharts generation in progresshighcharts generation in progress

    on Oct 31, 2026
18. github-actions commented on Oct 31, 2026

    

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    🎨 javascript/highcharts Preview

    Light	Dark

    PR: #12481
    Model: sonnet (regeneration)
    Interactive: light · dark

    ---

    🤖 impl-generate
19. MarkusNeusinger

    added a commit that references this issue on Oct 31, 2026

    feat(highcharts): implement line-timeseries (#12481)

    ...

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20. github-actions

    removed

    impl:highcharts:pendinghighcharts generation in progresshighcharts generation in progress

    on Oct 31, 2026
21. github-actions commented on Oct 31, 2026

    

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    ✅ highcharts Complete

    highcharts implementation for line-timeseries has been merged to main.

    PR: #12481
    Quality Score: 87/100
    Regen: previous 87 → 87 (stored scores)

    Preview: light · dark

    ---

    🤖 impl-merge
22. github-actions commented on Oct 31, 2026

    

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    🎉 All Implementations Complete!

    All 15 library implementations for line-timeseries have been successfully merged.

    Library	Status
    altair	✅
    bokeh	✅
    chartjs	✅
    d3	✅
    echarts	✅
    ggplot2	✅
    highcharts	✅
    letsplot	✅
    makie	✅
    matplotlib	✅
    muix	✅
    plotly	✅
    plotnine	✅
    pygal	✅
    seaborn	✅

    ---

    🤖 impl-merge
23. github-actions

    closed this as completedon Oct 31, 2026