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Updates keep Ghost secure and add features. Occasionally a theme or custom snippet disagrees with a new version. A calm checklist gets you back online faster than random Googling.
Symptoms and first checks
| Blank or partial page | Check Ghost error logs; disable recent Code Injection blocks one at a time. |
| Styles look wrong | Hard refresh; purge CDN or host cache; confirm the active theme is the one you expect. |
| Custom routes 404 | Open routes.yaml in Admin; validate indentation and upload again. |
| Portal or members broken | Verify Stripe keys, domain URLs, and that the theme does not override critical links. |
Isolate the theme
- Switch temporarily to Casper (or another stock theme).
- If the issue disappears, the problem is likely in your custom or third-party theme.
- Reactivate your theme and note the exact template (home, post, tag, page).
Rollback strategy
- Keep a zip backup of the last known-good theme.
- For self-hosted Ghost, snapshot before major upgrades when possible.
- Document Code Injection snippets in a private doc so you can disable them quickly.
When to contact the theme author
Provide Ghost version, theme version, steps to reproduce, and screenshots. Premium themes like Zora from Themeix are maintained for real-world Ghost releases—opening a support thread with specifics usually beats editing minified assets alone.
Preventive habits
- Stage upgrades when you can.
- Read release notes for breaking changes.
- Avoid forking a theme unless you plan to merge upstream fixes.
Most post-update issues are cache, one bad injection line, or an outdated theme partial. Work narrow layers—Ghost core, theme, custom code—until the culprit is obvious.