After the update it is not possible to edit nodes

This is due to a bad Twig release 💬 Updating phpstan and twig via Composer generates a blank page when editing a node Active , they've subsequently put out a new version but the patch release included the bad one.

If you were using composer, you could update Twig yourself with composer.

To change the tarballs, we will need to do new patch releases of core. However that release should probably include 🐛 An update to symfony/http-foundation plus a trailing space took down the views UI Active too which is a different regression from a Symfony security release, so not immediate.

Note that installing core without composer is not really supported these days - contrib modules often need to bring in different PHP dependencies and composer is how this is managed.

🌱 Drupal 10 Core Roadmap for Automatic Updates Active will add a user interface for composer to core - so that modules and themes can be installed and updated without using the command line. Are you able to go into details about why you're not able to use composer?

Thanks for the reply.

I can't use composer because my hosting plan doesn't support it. My association doesn't want to upgrade because our site is small.

I'll wait for the next version of drupal.

Thanks and best regards

If you're able to get a local development environment running, you can use composer locally, then push the results to your hosting plan (via git or whatever deployment mechanism they offer).