# Is Jekyll 4 end-of-life?

As of 2026-10-12: No. Jekyll 4 is supported; no end-of-life date is announced. Latest release: 4.4.1 (2025-01-29).

## Jekyll release cycles

Status of every cycle as of 2026-10-12, newest first: supported, security-only (active support ended), eol or unknown.

| Cycle | Status |
|---|---|
| 4 | supported |
| 3 | security-only |
| 2 | eol |
| 1 | eol |
| 0 | eol |

## Dates, LTS and versions from the API

This page shows the status only. The signed API answer has every cycle with its release, support and end-of-life dates, LTS flag and latest version: [GET /v1/eol/jekyll](https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/eol/jekyll) ($0.001 per call, paid with x402 in USDC; no account, no API key).

- `GET /v1/eol/{product}/{cycle}`: one cycle, $0.001.
- `POST /v1/eol/check`: up to 50 product versions in one call, $0.01.
- `GET /v1/eol/image?image=node:18-alpine3.19`: a container image, its runtime and base OS, $0.005.
- `POST /v1/stack/check`: up to 50 product versions, 50 packages (purls) checked against OSV.dev and 100 CVEs checked against CISA KEV in one call, $0.012.
- `POST /v1/stack/watch`: the same stack check, then only what changed on each re-check with its signed token (an end-of-life date passed or near, a new KEV listing, a new advisory), $0.012.
- Free: [/v1/eol/preview](https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/eol/preview) (signed sample) and [/v1/validate?dataset=eol&id=jekyll](https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/validate?dataset=eol&id=jekyll).

## Source

Data from endoflife.date (https://endoflife.date), Copyright 2020 endoflife.date contributors, MIT License.

Snapshot `eol-20261011T184823Z-fb3e9d0a`, data as of 2026-10-11T18:48:23Z, source last checked 2026-10-11T18:48:23.000Z.

Licences and attribution: [/licences](https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/licences). How snapshots are made and verified: [/provenance](https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/provenance).

Data is provided as is, without warranty of any kind. Payments are final. Every dataset is normalised (modified) from the sources named here, and no source endorses this service.