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Maintenance 4 min read

Read the changelog before you update a script

A changelog tells you what will change, what might break and what you have to do by hand. Here is how to read one in five minutes and decide whether to update today, later or never.

A list of release notes with checked items

Updating is how a script stays secure, and it is also the most common way a working site stops working. The changelog is the author's own description of what an update does. Reading it takes a few minutes and decides how careful you need to be.

Where to find it

On this marketplace the changelog sits on the item page and lists each version. Your account's purchases show the latest version you can download. Many scripts also ship a CHANGELOG or UPGRADE file inside the download; when both exist, read both, because the file often has more detail on manual steps.

What a good changelog tells you

Look for entries grouped under headings such as these:

Heading What it means How to treat it
Security A fix for a vulnerability Do not postpone. Test and apply soon
Breaking or Changed Behaviour that is different now This is where your customisations can stop working. Read slowly
Added New features Usually safe. Check for new settings you should review
Fixed Bugs that were corrected Check whether one of them is a problem you have been living with
Upgrade notes Manual steps: a database migration, a changed configuration key, a new minimum PHP version Do these in order, and write them down

If a script has no changelog at all, that is information too. Consider asking the author before you rely on it. You can reach authors through the listing, and the support policy explains what support to expect.

Five minutes before you click update

  1. Find the version you run and the version you are going to. Read every entry between them, not only the newest one.
  2. Look for anything that needs a manual step. Migrations, new cron entries and renamed settings are the usual ones.
  3. Check the requirements line. A new minimum PHP version can stop the update dead on an older host.
  4. Check your customisations. If you edited files the update replaces, list them now so you can re-apply the changes.
  5. Decide how urgent it is. A security fix belongs this week. A new feature can wait for a quiet hour.

An example of how to read an entry

Imagine a changelog entry reads: "Changed: the site_url setting is now read from the environment file. Update your .env. Fixed: voting cooldown ignored on mobile. Security: escape tag names in the admin list."

  • The Security line is why you should update soon.
  • The Changed line is a manual step: add or rename a value in your configuration before or right after the update, or the site may fail to boot.
  • The Fixed line might matter to you if players complained about voting.

This entry is an invented illustration of how to read one, not a real release note.

Keep your changes out of the way

The easiest updates are the ones where your own work sits outside the files the script replaces: in a child theme, a plugin directory, a configuration file or a clearly named overrides folder. If you must edit core files, keep a short note of each change. A simple habit that helps: copy the original file before you edit it, so a comparison tool can show you exactly what you changed later.

After the update

  • Open the pages that matter most and use them like a visitor.
  • Check the admin area and any payment, email or upload feature.
  • Look at the error log for new warnings.
  • Keep the backup until you are sure everything works.

When not to update

Skipping an update is a decision, not a failure, if you make it deliberately. It can be reasonable to wait when the release only adds features you do not use, when a new PHP version is required and you are not ready, or when you are in the middle of a busy period. It is not reasonable to ignore a security fix. If you wait, write down why and when you will revisit.

For a safe way to do all this without risking the live site, read test a script on staging before going live. The security checklist covers backups and routine updates.

Frequently asked questions

How often do I need to update?

Whenever the author releases a security fix that affects you, and otherwise on a routine you can keep, such as monthly. Read the changelog each time.

Can I update straight from a very old version?

Only if the changelog or upgrade notes say it is supported. Otherwise go through the intermediate versions in order.

What if the update breaks my site?

Restore the backup you took before the update, then redo the update on a staging copy to find the cause. This is why a tested restore matters.

Will updating erase my customisations?

It can if you edited files the update replaces. Keep changes in overrides or configuration where you can, and keep notes on the rest.

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