P: Please add advanced keywords - controlled vocabulary

this is terrible. First of all because Lightroom CC isnt' able to replace Lightroom classic.
In addition i can't believe that sync keyword is a so difficult addition

It's hard to believe something as fundamental as keywords doesn't work between CC and Classic.  I literally just set up to use Lightroom CC for the sole purpose of working on keywords when I had spare time.  I only found this forum once I started trying to figure out why my keywords weren't syncing.  Shame on Adobe for pushing out CC before it could perform the most basic functions.

To quote Jim MSP above...
Adobe should not allow Lightroom Classic and Lightroom CC to diverge in such a fundamental area. One of Lightroom's strengths has always been its database.

This deficiency makes LR CC a eunuch.

I would like this mostly because of not being able to sync keywords between my Lightroom Classic desktop, and pre-selecting/tagging synced photos on my ipad on Lightroom Mobile on the go.

I can only flag and rate them (and do some adjustments), but I can't apply colours, and I can't do any keywording (and have it transfer back to Lightroom Classic). I know of the technical reasons behind that (flat vs hierarchical), so if that really is the main limitation preventing fully functional keyword syncing, then please streamline that...

The Classic app is for different audiences than the CC app, that's all fine by me, but Classic users also have mobile parts of their workflow and a part of that is just not functional because you decided to link Mobile with one but not the other.

I fully support what clarijoh  said above:
I would add my support for this feature request. In the end I believe Adobe should not allow Lightroom Classic and Lightroom CC to diverge in such a fundamental area. One of Lightroom's strengths has always been its database - and the many ways to get to the relevant photo. A cut down version in Lightroom CC does not play to this strength. In addition the inability to add keywords in CC and sync them to classic is a problem in many workflows.

I'll add - one of the major reasons for me moving fully away from Capture One was their poor implementation of a real database; and key words are integral to a db.

Yes please, subfolders for keywords would be helpful (not even just for the serious professionals like MIke, but also for those of us who are just hobbyists who just use it for family & travel photos etc).

Also i TOTALLY agree with Jess about having the existing keywords to click on - it's so annoying having to type in a long winded keyword EVERY time - even just long names like Rebecca or Brisbane.. like really, in this day and age of doing everything on our phones, why would we want to type and retype those words all the time?  And like Jess says, it's annoying to have two keycodes created for the same word.

It is really important to us to export keywords into Creative Cloud. It should be a standard feature!

I would add my support for this feature request. In the end I believe Adobe should not allow Lightroom Classic and Lightroom CC to diverge in such a fundamental area. One of Lightroom's strengths has always been its database - and the many ways to get to the relevant photo. A cut down version in Lightroom CC does not play to this strength. In addition the inability to add keywords in CC and sync them to classic is a problem in many workflows.

I hope Adobe addresses these problems quickly. Not conforming the functioning of keywords and commenting across Classic, CC and CC mobile versions is a huge blunder! Lightroom CC desktop is absolutely useless without syncing keywords and adding comments.

In Lightroom CC v1.1, having added values for City, State / Province, and Country fields, when I look to filter by the Locations dropdown, I get a flat list of available values sorted in descending alphabetical order. Similar to this:

Canada
Greater London
London
Ontario
Toronto
United Kingdom

Given that these values are either in the City, State / Province, or Country field, it would be far more intuitive and easier to use if it was display like:

Canada
-- Ontario
-- -- Toronto

United Kingdom
-- Greater London
-- -- London

In addition, it would also be useful if the Locations filter also:

1) Showed how many photos matched each value at each level
2) Showed how many photos did not have any values at any level

Hope that helps!