[Varstahl]

Is this thread supervised or something by the creator?

Yes, although sometimes I forget to delete the notifications from the Kodi forums, so I don't get e-Mail updates, and forget to check the board for weeks. I read every single post, regardless.

Kodi Version: 16.1

It's way too old. You need at least Kodi 18 for it to be working reasonably, 19 is recommended.

The weirdest thing is that films do actually sound but now show. So, the film starts but just its sound while I still see Kodi interface saying it's waiting.

The only time I saw something similar happen is when you set "DRM override" or "Manual stream selection" in InputStream.Adaptive, and then problems come with the DRM. I'm not aware of other similar issues.

However, then I clicked on Top TV and the blue ring has been spinning for about 20 minutes now and seems to be 'Loading Page 29' etc now. DO I just need to enter every Menu item to let it cache everything once and then going forwards when its only the odd new show or episode added, there won't be a delay or is something actually wrong and this is not normal behaviour of the add-on?

TL;DR: depends on what you're looking for.

I absolutely despise the way Amazon presents its content, so I use full scan all the time. Video metadata is cached after the first time, so in subsequent runs loading will speed up significantly. Still, depends on the network and CPU speed. On a Raspberry, for example, is unbearably slow.

For those slow instances you can decide where you want to respect Amazon's pagination. The setting is in the "PrimeVideo" addon settings, at the bottom of the list after "Amazon.TLD". "Watchlist" and "Search" pagination are self explainatory, Collection refers to sub-categories ("PrimeVideo exclusives", "Top rated movies", etc.), while the general categories are never paginated and always loaded without pagination.

Also, on the topic of video data cache, the addon is overly conservative. Since most of the Amazon series are added in an easily bingeable bulk, it never automatically rescans a series, regardless of how old it is. In those cases, if new episodes should be out, you need to manually refresh the season/TV Show from the contextual menu.