Background of the issue:
I need to upgrade from WPML version 4.2.1 on my site hidden link. I want to know if there are any known issues when upgrading from this old version to the new one and the best practices to avoid issues. I plan to make a copy of my database before proceeding with the upgrade.
Symptoms:
No specific issue or error message mentioned.
Questions:
Are there any known issues when upgrading from WPML version 4.2.1 to the latest version?
What is the best practice to upgrade WPML to avoid issues?
Can I upgrade WPML via WP Admin?
"I recommend that you update to each new major version (3.9, 4.0, 4.1, 4.2 and 4.3)."
I have already upgrade to latest WP version, but if I upgrade from 4.2.1 to 4.6.15 by upgrading first to 4.3, 4.4, 4.5 and then 4.6, I wonder if WP will break since I am running on a new version.
One more question. I suppose that I need to manually download older versions (4.3, 4.4 and 4.5) and then install by uploading the plugin? While the last 4.6 I can via WP Admin.
I suppose I can also disable plugin and then upgrade for avoid issue with new WP version.
I am not sure if WP will break; I don't think it should but please do create a full website backup first so that you can have a safety net no matter what happens.
And yes, you would have to manually download the major versions, then install and activate them, then disable them, one by one.
I hope that you will find this information helpful.
Hi,
I upgrade successfully, and the only page that seems to break after upgrading WPML is the page that show posts by category, like this one hidden link