Field content['#options'] missing after upgrade to core 10.2.3

Is the ['#options'] array generated through core or is it generated through the modules that use it? Please advise if this bug is being reported in the wrong place, thanks.

Which formatter are you using?

I'm not sure, I'm not a seasoned Drupal dev. How can I determine which formatter I'm using?

See related issue, might be a problem in your theme
What sort of content are you using the link field on- menu links?

Linking where the bug was fixed in core

It's not clear to me where this was addressed in 10.2.x, so I'm attaching a patch that I re-rolled from the 11.x patch for use against 10.2.3 in case it's useful to anyone.

Marking this as 'Needs review', though perhaps this issue could be closed if it's addressed in the linked issue.

The Needs Review Queue Bot → tested this issue.

While you are making the above changes, we recommend that you convert this patch to a merge request → . Merge requests are preferred over patches. Be sure to hide the old patch files as well. (Converting an issue to a merge request without other contributions to the issue will not receive credit.)

Link attributes module is still passing tests on 10.2.3

If you have this problem it is likely you have a theme preprocess hook or template that is accessing link['optiions'] the fix in core was to remove duplicates between link['optiions'] and link['url']->get options()

You should be using the options on the url object, not the render array

Yes, the linked issue #3423171 was a duplicate of this problem.
We did a find and replace in our theme and replaced all instances of ['#options']['attributes'] with ['#url'].options['attributes'] which solved our issue.

Thank you!