I:R - Slaves migrate like they can come and go as they please

[Hemothep]

Description of problem
Slaves migrate like they can come and go as they please

What game version are you running?
2.0.1

What platform are you playing on?
Steam

Please select any/all DLC you have enabled.
Magna Graecia Content Pack

Do you have mods enabled?
No

Please explain your issue is in as much detail as possible.
Slaves can move from territory to territory. This is not pops migrating and then demoting to slaves. This is slaves moving as they please, like they don't have someone who tells them where they have to live.

Steps to reproduce the issue.
load up the save and look at the territories marked in the screenshots.

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[Spike05]

I may be wrong but I think it's intended.
slaves can be sold and brought like any other commodity, so a patrician in another territory may have brought him

slave estates and other buildings reduce the chance of it

 

[Herennius]

Migrating slaves where debated in the past, e.g. here:

Migration too slow?

So, lets talk a little about migration. I like the fact it's in but to me it's way too slow to even notice at all. By the point my first pops are migration i actually set up a nice empire about 100 years in at least. What annoys me the most is...

forum.paradoxplaza.com

1.2's changelog clearly stated that it shouldn't be the case at all, but many example since that time show that it either never worked that absolute or got (silently) changed again. The current behaviour is -in my experience- that they can only migrate, if they aren't needed to maintain the production of a surplus tradegood. And even then the overall "ongoing pop processes aren't affected" can play you a trick:

Things in need of "automation" for late game.

1. city building. Once you get a decent sized empire, fleshing out your cities becomes pure tedium. There should be a mechanic to set an auto focus for building in a province(i.e. balanced, culture, religion etc.) and a global gold threshhold...

forum.paradoxplaza.com