Hey @mrPauwHaan, when you navigate using the arrows, the order of the documents is based on the results of the List view. However, when you change a document before going to the next document, you change the modification date of the current document, which moves it to the top of the list, and thus breaks the arrows' behavior. This is my analysis of your problem

Thanks for your response @cogk. This behavior also happens without making changes. Certain records do show up in the list but not when using the arrows. When clicking on does records and using the arrows forward and backward, that record does also not show up. I was not able to figure out why these specific records do not show up.

After creating a post on the discuss.frappe forum, it was noticed that this issue occurs when duplicate names of the field that is used for filtering exist.

In my scenario, I was navigating through a list (sorted by a field. I had duplicate names for Company Name. After opening the first record pressing the next arrow key skipped all documents with the same name.

For us, the doctype has member names and indeed…it skips duplicate names of people with the same first name.