How are Divi updates checked before they go live?
On a staging clone first: it receives the new Divi version, the child theme, every third-party module and the plugins, and then the assigned templates and your busiest pages are opened and read at three widths. Only after that does the live site change. This comes first because it is the whole product: everything else below is a detail of how that check is done. Pushing a builder release to production and finding out from a customer is also a choice, however rarely anyone puts it in those words.
Why are Theme Builder templates checked, not just pages?
Because a page can look perfect while the global header sitting above it has moved, and the two are separate templates. So the check runs templates first and pages second: every assigned header, footer and body template is opened after each update, rather than a handful of pages that happen to share one. That ordering is the biggest difference between Divi website support and checking an ordinary WordPress site, and it is the one that rushed checks leave out.
Is your Elegant Themes account actually connected?
Often not, and that is checked against the site rather than assumed. Divi can only fetch a release while a valid account is connected, and many Divi sites run on the username and API key of someone who left the business years ago. A lifetime licence on a receipt is not the same as a working connection on this install, so we confirm it by watching for an update to appear. Where the account belongs to a former agency we say so plainly, that is a commercial problem rather than a technical one, and how to resolve it is your call.
Why re-check Divi's performance settings after every release?
Because a release can reset one of them, or leave it clashing with your caching plugin. Dynamic CSS, dynamic module loading, deferred jQuery and the static file cache all live in Divi's own options. Nobody ever reports "a setting changed"; they report a page that looks stale, or looks right in the builder and wrong to visitors. So those switches are part of the post-update pass, not something set once at handover and never opened again.
Which part of a Divi site usually breaks on update?
Third-party modules, far more often than Divi itself. Stock Divi rarely breaks itself; what breaks is the module plugin bought in 2021 whose author has since moved on, and you will not know which one until a page stops rendering. So maintenance starts with a written inventory: every third-party module, its version, its author and when it last saw a release. That list turns each round of Divi theme updates into a decision rather than a gamble, and it is the first thing to consult when Divi 5 comes up.
Does Divi maintenance include moving to Divi 5?
No, Divi 5 is handled as a separate project, not as an update. It will appear in your updates list looking like any other version, and it is not one. The plan covers watching for it, telling you when it is there, and keeping you on a supported Divi 4 until you are ready. When you choose to move, the upgrade is scoped, staged and quoted as the development work it is, which is covered on the Divi development page.
Can you stop your own team breaking global templates?
Yes, with Divi's Role Editor, which almost nobody configures. By default every editor on the site can open the Theme Builder and change a global template. Restricting that while leaving page editing wide open is twenty minutes of work and removes the most common way a Divi site gets broken from the inside, not carelessness, just someone opening the nearest thing that looked editable. Your people keep editing pages; the site-wide furniture stops being one click away.
How much does Divi maintenance cost?
Plans begin at $159/mo for Essential, which covers weekly off-site backups, uptime monitoring, a malware check and a monthly report, without applying updates. The staged Divi updates and template checks described above are done on the development plans, from your developer hours. Where the site also needs regular changes, $700/mo adds 10 development hours each month and $1,300/mo adds 20. Ad hoc work is $100 per hour, with five prepaid hours available for $500. Every plan includes a monthly site status report; on the development plans it also lists the version changes and templates reviewed. You can leave at the end of any month.