In the previous Drupal 8 site upgrade story, I mentioned that the link field type does not correctly render URLs with certain query strings. Example:
http://www.isfdb.org/cgi-bin/title.cgi?1580 is rendered incorrectly as
When I didn't receive any satisfactory answers to my plea for help on the StackExchange site "Drupal Answers", I decided to go bug hunting myself. The result: I found two bugs deep inside Drupal 8 Core! For the first bug I have submitted a new Drupal Core issue (issue 3007243). For the second bug I have contributed my analysis to the discussions of two existing Drupal Core issues (issue 2987114 and issue 1464244).
If you're interested you can hit the "Read more" button to find my detailed analysis. It's the same text that I wrote as answer on "Drupal Answers", but I'm reproducing it here to give my site a little bit more content 😀