Uncaught TypeError: Cannot read property ‘firstChild’ of null after upgrading to WordPress 5.5

I am getting the following error from comment-reply.min.js (which seems to be a WordPress file): Uncaught TypeError: Cannot read property ‘firstChild’ of null at comment-reply.min.js?ver=026d5828124b6319675d89d24f212b97:2 at Object.moveForm (comment-reply.min.js?ver=026d5828124b6319675d89d24f212b97:2) at HTMLAnchorElement.a (comment-reply.min.js?ver=026d5828124b6319675d89d24f212b97:2) Is this a known issue after upgrading to WordPress 5.5 or should I start debugging it? What would be the best way to address … Read more

Version upgrade: can my plugin filter the SQL statements issued during a database upgrade?

Background: I have a plugin with the purpose of changing up the indexes on some of WordPress’s tables to make them more efficient for large sites. The plugin changes some primary and other keys for faster data lookups, to exploit MySQL InnoDB’s clustered index data structure. During the WordPress version upgrade (from 5.8.3 to 5.9) … Read more

WordPress 3.8 keeps asking me to upgrade to 3.8

It began with version 3.7.1: You are using WordPress 3.7.1. Update to 3.7.1 I’ve installed and usually update WP with git from https://github.com/wordpress/wordpress: cd wordpress git fetch –tags git checkout 3.8 Then I usually download localized version (ru_RU) and copy over updated language files (wp-content/languages/). Everything was smooth until 3.7.1 and it looks like I’m … Read more

List Category Posts plugin upgrade fails with fatal error

I just tried an automatic upgrade of List Category Posts plugin to version 0.17.2 on WordPress 3.0.5. I think I had 0.17.1 before. It installed but failed to activate: Plugin could not be activated because it triggered a fatal error. Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or ‘}’ in … Read more

Client is using Softaculous to upgrade WordPress versions. How do I upgrade from the WordPress dashboard?

My client is using Softaculous for software upgrading. I tried upgrading from the WordPress dashboard and it wouldn’t let me. Do I have to somehow “uninstall” Softaculous for this to work? 4 Answers 4 Softaculous doesnt configure anything in WordPress which would stop a Manual Upgrade. You can contact the support team and they should … Read more

What is the easiest way to implement cascading database upgrade for my plugin?

Lets assume following situation: I develop a plugin. The plugin requires custom database table to store some kind of information. From month to month I release new versions of my plugin. Different versions could have their own sets of changes of the table structure and table’s data. For instance: version 1.0.0 has initial setup for … Read more