- Issue created by @sd123
function
system_preprocess_block
, which is what establishes this value, hasn't changed in 7 years, and the particular section that setssite_name
hasn't changed in 10 years.We'll have to investigate and gather more information from you to understand what is going on.
On which version of Drupal was this last working?
Can we get full bug reproduction steps on a clean Drupal 10.3 install?
If you would like to perform a git bisect on a Git working copy of Drupal Core, you will quickly find the regression commit.