Re: Build 10536 how do you like it?
Installed 10536 on my L830 last night (which took forever!), once up and running I definitely seen "some" improvements over the last build I tried...
Anyhow, slowly toyed with it getting things sorted/setup and trying to figure everything out theeeeeen, I decided to install the English Canadian language (my country), well to say it was an epic fail is being kind, again, took forever to install and what I ended up with in the end was an unusable phone, upon boot-up I was met with a constant "loading"/"resuming" but never did it load the start screen, luckily I was able to access the settings menu and do a reset... Still in progress so not sure what the final outcome will be, probably a revert back to Win 8.1 I'm guessing.
Ok, sure this is beta but just don't understand how it can be sooooo far off considering the closeness to launce (supposedly), comparing it to Win 10 PC betas of the past (which I tried many) it surely isn't going in same direction from my perspective, considering that PC hardware varies infinitely compared to WP and yet here we are with many on similar/same devices having huge differences in the final outcome, absolutely horrible.
And the "install" process for many things which I'd consider minor seems to have gotten complicated and drawn out, would expect it to take time updating firmware/OS but in the case above where I installed a simple language, no. Others can say what they will about the completion but one thing is for sure, they are "getting er done" whilst we are eating their dust, rocks, mud and so one, none of this is making me a proud WP user by any stretch of the imagination.
Soldier on I will but it's unlikely I'll be a happy camper nor will I pretend to be

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UPDATE:
Well that is/was painful, reset phone and did a complete fresh install of W10 which seems somewhat worse than the "upgrade" before it, slow, laggy and just plain no joy to use, finally gave up configuring for my personal use since every action resulted in an adverse reaction, reverted back to my 1020 w/W8.1 Update 2 (a speed demon in comparison to my L830 w/W10M).
So yes this was pretty abrupt but I see no way on earth it will miraculously go ZOOM ZOOM no matter how long I use it, not finding much to be thankful for here considering, not much use commenting on the pros either since it was such a chore getting through the woes (see what I did there LOL).
UPDATE 2:
My observations after using latest build 10536 on L830 for nearly 3 days, complete fresh install w/o backup and then another full reset afterwards ...
Likes:
1) UI is more pleasing
2) Quick settings/settings menu additions/design
3) Battery seems to have improved slightly (kind of early to tell)
4) No heating issues... Yet
5) No reboots... Yet
6) Started to like the Edge browse although I'm still on the fence with this one, didn't have mega crash issues either.
Dislikes:
1) The constant loading/resuming and overall sluggishness
2) Overall inconsistencies of the OS, each time using it differs
3) Store... lags, slow to load and D/L apps, repeats itself every time you view an app then go back to "My Library"
4) When home screen appears upon boot-up sometimes tiles will take ages to refresh (they start out blank)
5) Lag/stutters on scrolling
6) General app crashing or some fail to work partially or all together, each were freshly installed
7) Glance Screen inconsistencies, sometime items will load while other times they'll be absent
8) MSN Weather on Glance Screen, pretty stark in comparison to Win 8.1s rendering
9) Photo App, what can I say other than it is super slow and not very intuitive and just plain horrible
10) My L830 had touch issues prior (capacitive back button mostly) but now it seems W10M has accentuated it causing the whole screen to feel unresponsive at times
11) Disappointed that there weren't more features added and in actuality, we have less with some being taken away.
So in summary I'd have to say, this build is definitely not a daily driver for me even though we could struggle along if there was no other choice, considering launch is just around the corner and past progressions, I'm finding it hard to believe we'll be ready in time... My predictions is that there will be some sort of delay or, what we get will still be lacking and riddled w/issues.
Update 3:
Looks like it is time to admit defeat and rolled back to 8.1, used my L830 on and off for a few more days whilst switching back and fourth between my L1020, besides the two being night and day in functionality and overall pleasurable experience, W10M seems to be slowly going south.
As many have attested to the "gradually degrading" effect seems to be creeping in, does appear things are taking longer to load, refresh and resume, the two items that tipped the scale is that now I'm getting Micro SD card errors at every boot-up (still accessible and never chose to "fixed") and messages stating my phone is charging slowly, actually began discharging on know good chargers last night.