Upgrading Drupal

Hello,

How do I upgrade from Drupal 9.2.7 to Drupal 9.2.8?

Regards,

sintj

After updating our site from 7.80 to 7.81 the home page will load, but any attempt to access any other page results in a 404 error. The same thing happens in the backend. I can access the main admin screen but any attempt to go to any other admin page results in a 404 as well. I was able to roll back the site and its running now on 7.80. Any obvious things to look for? I did make sure to update settings.php and well as htaccess and web.config before uploading the 7.81 files.

Thanks.

Hello, I'm very new to this process, and just don't understand what I'm doing wrong.  Could someone point me in the right direction?  Any help is much appreciated.

I'm following upgrade instructions from the "Upgrading from Drupal 8 to Drupal 9 (or later)" article in this site, but composer responds with "Your requirements could not be resolved to an installable set of packages"

I am using https://github.com/highwire/drupal-psr-16/blob/9.x-2.x-dev/composer.json

Hello, I'm very new to this process, and just don't understand what I'm doing wrong.  Could someone point me in the right direction?  Any help is much appreciated.

I'm following upgrade instructions from the "Upgrading from Drupal 8 to Drupal 9 (or later)" article in this site, but composer responds with "Your requirements could not be resolved to an installable set of packages"

Here is my terminal output:

On my nodes i have a simple text field for preview texts. It was set to 120 characters at once but later i've decided to update it according to some tutorial to 255. There was already something stored when i did, so i hade to do it with code. I wrote an update hook containing this code:

 i have a drupal 7 block that managed a couple of different pages all at the parent "/product/%" with % being the item id. The other page is "product/%/summary". The only other blocks that I have migrated consist of one template file with one return array to it.

Drupal 7

code in prodcut_page.module: