EPG Timeline <lingertime>0 not working as expected

It would appear as if advancedsetting <pvr> <lingertime>0</lingertime></pvr> is not working correctly.
The problem seems to be that even after setting lingertime to 0, kodi still displays a minimum of 30 minutes (45mins in example below) of previous time instead of moving the timeline in real time so to speak.

see the comparison of kodi and NextPVR below for the best example.

my advancedsettings are as follows:

as you can see, kodi removes the lingertime on the EPG as the last guide entry is empty.
but the timeline (even though is set to linger 0) still shows the previous 45 minutes of “empty” timeline.
I’m trying to achieve the behavior where the absolute current program is always at the beginning of the timeline as it only makes sense to do so, just as it does in WMC and NPVR and pretty much any other guide i can think of ever having used. From memory this worked fine in previous kodi releases, but krypton doesn’t seem to want to play ball with this one.

Kodi EPG

as here is how you would expect the timeline to behave with the above advancedsettings
NextPVR EPG

This also seems to affect the navigation of the timeline. When the guide window is first activated, the top of the list and the current program are focused as you would expect but then moving down the list, the focus seems to shift from the current playing item to the next item then back to the current item as you scroll further down the list. There doesn’t appear to be a pattern for this, it just happens randomly when scrolling.

Thanks.