6 votes
Accepted

Drupal 8's last minor release = Drupal 9?

Yes, upgrading from Drupal 8 to 9 is scheduled to be an incremental update from the last minor version of Drupal 8. It seems the main thing to consider is to remove any usage of deprecated functions ...
David Thomas's user avatar
  • 21.9k
5 votes
Accepted

Composer require drupal/ packages doesn't work

Sounds like Composer doesn't know about Drupal's packages, which suggests you're missing a reference to the repository in composer.json. Add this and you should be good to go: "repositories": [ { ...
Clive's user avatar
  • 167k
5 votes
Accepted

Can we upgrade a site directly to latest version (without an extra fresh site)?

No. The old method of upgrading Drupal through update.php has been dropped in Drupal 8 in favor of the Migration framework & UI. The idea here is to provide a clean way into a new database ...
Shawn Conn's user avatar
  • 26.9k
5 votes
Accepted

Upgrade to Drupal 10.1.6, Theme Doesn't Load Outside Maintenance Mode

Drupal 10.1.x introduced CSS and JavaScript aggregation performance improvements in that there is change to .htaccess file as well. Sites using nginx/php-fpm may need to update their nginx.conf file ...
miststudent2011's user avatar
4 votes
Accepted

How do I know if I installed latest version?

You could try drush pm-updatestatus drupal and see if you get any results.
greg_1_anderson's user avatar
4 votes

How can I upgrade from Drupal 8.0.x to Drupal 8.1.x?

Yes, replace the core and vendor directories and run update.php. Note: Also please follow the instructions from upgrade.txt. There are several other necessary instruction so that you can recover ...
Vishal Kumar's user avatar
4 votes
Accepted

Fatal error: Call to undefined function media_filter

Prior to newer version of Media, media_wysiwyg_filter should be used instead which will perform media markup filter. This can be found in modules/media_wysiwyg/includes/media_wysiwyg.filter.inc. The ...
kenorb's user avatar
  • 14.2k
4 votes
Accepted

How can I manually upgrade my site?

Yes you can. But it needs a little bit of effort beforehand. You need to have a composerized and version tracked local copy of your site on your computer. All the updating with Composer will happen ...
leymannx's user avatar
  • 18.1k
4 votes

How do I update from 9.0.10 to 9.1.0?

With version 9.1.0 (release notes) Drupal Composer templates no longer use minimum-stability dev as in the past this occasionally produced unexpected results, such as upgrading to newer unstable ...
leymannx's user avatar
  • 18.1k
4 votes
Accepted

Entity revision metadata key missing after upgrading

You have set the missing metakey already in the update hook, but this is not stored in the entity definitions permanently, this is only temporary for the update process: $revision_metadata_keys = [ ...
4uk4's user avatar
  • 99.7k
4 votes
Accepted

What is the safe way to update to latest version?

In theory you should update to the latest recommended version of your current site's minor release. So in this case you should update to version 8.9.13 then you should be good upgrade. Remember to ...
Gary Pratten's user avatar
3 votes
Accepted

Full automation for upgrading everything

Is it possible to full upgrading with solely Drupal/PHP? In the sense that anything is possible given enough time/effort, yes. Should you? Not unless you want to spend a lot of time building a ...
Shawn Conn's user avatar
  • 26.9k
3 votes
Accepted

Upgrading a simple drupal 7 module to drupal 8?

I've spent the past few months doing a lot of D7 -> D8 upgrades. I haven't used sub_name (or even seen it), so I cannot comment on that, but as for the path, it's the same path you declared as the ...
Jaypan's user avatar
  • 17.6k
3 votes
Accepted

How would we add Drupal Core modules as dependencies on custom modules post 8.6.2?

If you're referencing a recent change in a core module, it was a style/formatting change. Adding namespaces for dependencies has been in core for a while. The {project}:{module} format is a better ...
Shawn Conn's user avatar
  • 26.9k
3 votes
Accepted

Upgrading Drush 6 to Drush 9 on Centos 5 server

drush dl drush downloads the obsolete version of Drush from drupal.org. Drush was never intended to be used to download Drush via the pm-download command, even when it was hosted on drupal.org; the ...
greg_1_anderson's user avatar
3 votes

Do we upgrade core or PHP first?

Drupal 7 can run on any PHP version between PHP 5.6 and PHP 7.3. For running on PHP 7.4, it's required at least Drupal 7.71. Drupal 8 can run on any PHP version that is newer than PHP 5.6. For running ...
apaderno's user avatar
  • 97.4k
3 votes

How do I fix a var-dumper conflict?

It's the devel module that prevents you from installing. As this line indicates, it requires a version of symfony/var-dumper that is not compatible with Drupal 9: drupal/devel 2.1.0 ...
berliner's user avatar
  • 2,854
3 votes
Accepted

Upgrade a site from 8.5.13 to 9

I've an older drupal 8 site in 8.5.x version. There are too many custom & contrib modules, eg acquia/blt, lightening, etc. OK, there is no simple answer to this. Check the Acquia site how to ...
4uk4's user avatar
  • 99.7k
3 votes

Upgrading from 8.9.20 to 9.3.9 causing errors

composer require drush/drush to upgrade to Drush 10 first. Drush 9 is not compatible with Drupal 9.
cilefen's user avatar
  • 5,967
2 votes

D6 to D7 upgrade error Invalid datetime format Incorrect integer value

I should have posted the answer here instead, it may help someone. This is fixed. I had missing images in the /sites/default/files/ folder. This was a upgraded d6 to d7 site with 4000 nodes and many ...
paul cappucci's user avatar
2 votes

Will Drupal 6 be left in a secure state after it becomes unsupported?

About 5 years after this question was asked, here is another answer based on what we know today ... Will Drupal 6 be left in a secure state, come the day that it is unsupported? Drupal 6 has been ...
Pierre.Vriens's user avatar
2 votes
Accepted

A referenced node is missing--when did it disappear?

You can copy the database to your local version of MySQL. That is generic database exporting and importing that you can find instructions for elsewhere. To query specific nodes you can use this SQL: ...
rooby's user avatar
  • 14.7k
2 votes

A referenced node is missing--when did it disappear?

Drupal 7 does not delete references to deleted nodes by default. See the Field reference delete module. Some details about it, from its project page (check that page for even more details): This ...
bleen's user avatar
  • 1,500
2 votes
Accepted

Can we migrate basic Metatag data without customization?

There's a patch at https://www.drupal.org/node/2563649, currently at "Needs work".
Mike Ryan's user avatar
  • 1,333
2 votes
Accepted

Adding composer to update core

It is probably due to how the drupal/core line in your composer.json file is defined. It probably has the version locked to 8.6.1. So the update is saying: You are already at the version you ...
CG Monroe's user avatar
  • 3,056
2 votes

Drupal\Component\Plugin\Exception\PluginNotFoundException after upgrading drupal

That means you have a field with an unknown field type. Are you sure that you're not missing any modules that you used to have installed? And the the missing entity type sounds like you used to use ...
Berdir's user avatar
  • 83.2k
2 votes

How do I migrate data (nodes, users, and images)?

To do this, you will require some coding skills (or maybe you can hire a programmer). You might have to do one or more of the following: Setup a fresh Drupal 8 site. Study and learn how to use the D8 ...
Jigarius's user avatar
  • 3,109
2 votes
Accepted

Upgrade error: Attempt to create a field body that does not exist on entity type node

The solution is to manually create a "body" field in my landing_page content type. Once I created the body field, the error no longer show up. This can be apply to any other fields is show up in ...
mana's user avatar
  • 403
2 votes

"The service 'serializer' has a dependency on a non-existent service 'entity.manager'"

After @leymannx and @Kevin tips I could fix my problem, I will leave step by step what I have done, hope help anyone else :) Set my sites do Drupal 8 again Search inside my modules folder if any ...
Pedro's user avatar
  • 144
2 votes

Upgrade a site from 8.5.13 to 9

If you haven't read it yet, here is the official documentation for upgrading from D8 to D9 : https://www.drupal.org/docs/upgrading-drupal/how-to-prepare-your-drupal-7-or-8-site-for-drupal-9/upgrading-...
misterdidi's user avatar
  • 1,051

Only top scored, non community-wiki answers of a minimum length are eligible