---
title: "GitHub Projects Holidays Colorizer – Chrome extension stats, history and permissions"
description: "171 users, no ratings yet. Version 0.5.2, updated 2025-07-23. Requests 0 permissions."
url: "https://extensiontracker.com/extension/cmpiijnoijofgoikgiajacmpmgcdokkn"
---

# GitHub Projects Holidays Colorizer

Live in the Chrome Web Store.

- Users: 171
- Rating: no ratings yet
- Last checked: 2026-09-26 23:19 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #53,359 of 264,703 live extensions
- Rank in Tools: #15,960 of 103,498

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Colorize the Gantt chart in GitHub Projects to make it easier to understand weekends and holidays.

- Extension ID: `cmpiijnoijofgoikgiajacmpmgcdokkn`
- Developer: [doyahirohira](https://extensiontracker.com/developer/u88ba77c5122de31af1dd0ede9d8931a0)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2024-01-02
- Last updated: 2025-07-23
- Version: `0.5.2`
- Size: 7.09 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Support page: `https://github.com/tutti2612/github-projects-holidays-colorizer`
- Chrome Web Store: <https://chromewebstore.google.com/detail/github-projects-holidays/cmpiijnoijofgoikgiajacmpmgcdokkn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fcmpiijnoijofgoikgiajacmpmgcdokkn>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 171 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `https://github.com/*/projects/*`: github.com

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-26 23:19 UTC; next check around 2026-10-02.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “GitHub Projects Holidays Colorizer” (cmpiijnoijofgoikgiajacmpmgcdokkn). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/cmpiijnoijofgoikgiajacmpmgcdokkn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_cmpiijnoijofgoikgiajacmpmgcdokkn,
  title   = {GitHub Projects Holidays Colorizer (cmpiijnoijofgoikgiajacmpmgcdokkn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/cmpiijnoijofgoikgiajacmpmgcdokkn},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/cmpiijnoijofgoikgiajacmpmgcdokkn>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.