Why Do Website Updates Break Things?

Website updates break things because a site is a stack of parts written by different developers: the CMS (content management system) core, the theme, the plugins, and the PHP version underneath, each updating on its own schedule. One update can conflict with any of the others. Skipping updates is not the answer, since most new WordPress vulnerabilities are found in plugins. The real fix is process: a backup before every update, and a staging copy to test on.

What actually breaks during an update?

Updates break sites through conflicts between parts that were never tested together. A plugin update assumes a newer core function that your site does not have yet. A core update retires a function your theme still calls. A PHP upgrade at the hosting level deprecates code an old plugin relies on.

Update type	What commonly breaks	Typical symptom
Plugin update	Other plugins, or the theme it must coexist with	One feature dies: forms, sliders, checkout
Theme update	Custom design changes made directly in theme files	The layout reverts or styling goes strange
Core (CMS) update	Old plugins and themes calling retired functions	Errors on screen, or a blank white page
PHP / hosting update	Any plugin abandoned by its developer	The whole site down, often without warning

The nastiest version is the silent one. The pages load, but the inquiry form stopped sending, and nobody notices for weeks.

An illustration of what that costs (illustrative arithmetic, not a client result): a store taking RM1,000 a day in orders loses RM3,000 if checkout breaks quietly for three days. That is most of a year of entry-level maintenance fees, gone on one unlucky update.

Why can't you just stop updating?

Stopping updates trades occasional breakage for eventual compromise, because updates are how security holes get closed. Patchstack, a WordPress security vendor, logged 7,966 new vulnerabilities in the WordPress ecosystem in 2024 (Patchstack, 2025 report), with 96% of them in plugins. Attack bots scan for sites still running the versions those holes were patched in.

In our experience the emergencies that reach us trace back to an outdated plugin or theme far more often than to a clever attacker. An unpatched site does not stay lucky, it stays exposed, and hacked sites are usually harvested by automated scans, not chosen.

The same logic is why nulled plugins are a double loss: pirated copies cannot receive the official updates, so they hold every hole open permanently.

How do professionals update without breaking sites?

Professionals make updates boring by controlling the order and keeping an exit route. The routine is short:

1. Take a fresh backup, and confirm it actually restores.
2. Run the update on a staging copy first, never straight on the live site.
3. Update one thing at a time, so a breakage names its own cause.
4. Test the paths that earn money: forms, checkout, booking, WhatsApp links.
5. Only then repeat the same steps on the live site, at a quiet hour.

This discipline is most of what a good maintenance plan actually contains. The monthly fee is not for the clicking. It is for the staging environment, the tested backup, and someone noticing when something breaks anyway.

A pattern we've noticed: sites handed over with no care plan break or get hacked eventually, not because the build was bad, but because nobody was assigned to this routine.

What should you do when an update breaks your site?

When an update breaks your site, stop updating and restore the last good backup, in that order. More updates on top of a breakage bury the cause.

If you have no backup, note the exact error message and the last thing updated. Most breakages reverse by rolling the offending plugin back one version, and your hosting provider can often restore a server-level snapshot from the past few days.

Then fix the real gap. The update did not cause the crisis; updating without a backup did. If this keeps happening, the honest questions are whether the site is carrying more plugins than it needs and who owns its upkeep.

Frequently asked questions

Should I turn on automatic updates?

Partly. Automatic updates for minor security releases are worth having, because they close urgent holes faster than any human routine. Automatic major updates for core, themes, and big plugins are riskier, since those are the ones that conflict. A sensible split: auto-apply security patches, and batch the rest through the staging routine on a schedule.

How often should a website be updated?

Check monthly at minimum, and apply security releases as they appear. Most maintenance plans run a monthly update cycle plus emergency patches for serious vulnerabilities. Leaving a site untouched for a year does not make it stable. It makes the eventual catch-up update far riskier, because ten versions of change land at once.

Why did my site break when nobody touched it?

Because something underneath it updated anyway. Hosts upgrade PHP and server software on their own schedule, plugins with auto-update enabled ship new versions, and external services change their APIs. A site nobody maintains still changes; it just changes without anyone watching. That is why "we never touch it" is a risk statement, not a safety one.

Do custom-coded websites break from updates too?

Yes, but less often. A custom site has fewer moving parts from fewer authors, so there are fewer conflicts waiting to happen. It still depends on its language version, framework, and server, all of which update. The difference is surface area: a typical WordPress stack changes weekly, a lean custom build changes a few times a year.

Are updates included in a maintenance plan?

Usually yes, and it is the first thing to confirm before signing one. A real plan should name updates, backups with tested restores, security monitoring, and a response window when something breaks. If a plan only promises "updates", ask where staging tests happen and where the backups live, because those two details are the actual safety net.

Can I do all this myself?

Yes, if you keep the discipline: backups you have test-restored, a staging copy, one change at a time, and a monthly calendar slot that actually happens. The work is not hard, it is relentless. Most owners who start strong go quiet within months, which is exactly when the unpatched holes start accumulating.

Make updates boring

Storming Solutions builds and maintains websites for Malaysian businesses from Kuala Lumpur, and our web development work treats the update routine as part of the product, not an afterthought. Our stance: a website is a business asset that needs scheduled upkeep, and the time to arrange it is before the breakage, not during one.

Not sure who is updating your site right now? That question has a worrying answer often enough that we will check with you. Message us on WhatsApp or start with our guide to the running costs of a website.