Their can be 3 possibilities
Either there is a fault in writing and the direction and editing team can't keep up with them. Means they are writing scenes like that.. hence the editing team can't do too much here.
Either the pace of the writing is too fast because of that direction team having a problem to shoot and keep all the scenes in the single episode that script demands because of this scenes looks abrupt and incomplete.
As you said that in episode 9 priya came out of nowhere, well we can take that scene as jump cut but again for even using the jump cut you need some sort of buildup ( so I am taking this as more a directional mistake rather than an editing mistake simple si bat hai if you don't have scenes obviously editors can't do too much in this because unke pass option nai hai )
Last but not the least may be director and cinematographer doing there job perfectly it's just that editors having problem to maintain some sort of flow because of the time bounding or whatever the reason is.
I am just hoping they might improved but the chances are low.
That's an in-depth analysis 👍🏼😆
Yeah it can be any one of these.. but jo bhi ho I hope it's solved soon... ☹️