Thanks for that @matjones, very interesting!! I’ll be hoping that they can do something to help. I couldn’t seem to log into the forum, is it different to the Arturia account login?? It doesn’t seem obvious, there’s no info…
Mike.
FWIW, Ben (I think he leads the beta test group) is the guy who handles Arturias bugs. I had many problems with Arturia “support” until he got involved, and within weeks they fixed a glaring sustain bug with the Prophet V. He is very active, hands on, and will work with you. Just communicate and don’t drop the ball…
Question, so each of my hardware synths plugged in via usb would be using extra slots?
Not necessarily, but if they have integration (usually a dll in the Components or Shared Components folder of Cubase), yes they will.
The UR interfaces also use some slots.
This is great, thank you Takashi!
Ok then, thanks… I only really use a plugin editor for my virus or novation, so they would just use normal slots like other plugins. I have a motif now too though so may use the plugin for that also. We’ll see. Generally I use stand alone editors for my HW synths, or the ipad.
I just hope there is some workaround some day, like cubase opening plugins in a new process once the limit is reached…
(basically, say, cubase could be designed to let the FLS slots max out, with a permanent slot counter shown somewhere in the info line, then when the limit is reached, all plugins from then on could open in a separate process, until the limit is reached again, and so on).
The whole reason I want such a powerful machine is cause i use a LOT of plugins and high track projects… I know I will hit this FLS problem very very quickly if i switch to windows… That’s my main turn off at the moment… well, that and forced windows 10 updates.
fls checker is godsend. At least I know why my cubase projects began to behave weird and I know what to do about it…
Interesting i only had this problem in 8/8.5 and that seems to show why
CP 9.5.40 no project, windows 7 pro, 99 free.
A 40 track project with Cakewalk Dimension Pro, Toontrack SuperiorDrummer2 and the rest Waves stuff - 96 free.
Expected to loose some more.
And thanks for the plugin, really good to get a grip where I am at. 
Analog Lab by Arturia - eats 40 slots!
can somene confirm ?
Anything by Arturia was over 30 slots.
Can´t remember exactly, but yes, mine was around 36-40 slots
Btw, UR44 eats 9 slots
Great news for Windows users…
HAPPY Healthy New Year all! 
Hi All
If any of you test the new Insider build on your non-critical PCs, please feel free to contact me directly with results (or post them here, of course)
pete dot brown at microsoft dot com
Pete
my remarks first: Concerning Windows 10 64 bit Version 1809
FLS checker returned a max of 128 Slots on any configuration, it is hard coded now?
Next coming Windows Upgrade (19H1 release of Windows 10) should return many more slots ( > 4000)
- hope developer compiled new FLS checker version on Windows 10 64bit higher or equal Insider Build 18312
Anyway - my results on Windows 10 64bit 1803, 12 GByte Ram Intel Quadcore i7
Tested on “New Project” , Insert only one audio track stereo, then inserted FLS Checker Tools Plugin only
Cubase 10.0.10 Pro
94 Slots
Cubase 9.5.41 Pro
95 Slots
Cakewalk by Bandlab Version 2018.11 (Build 31, 64bit)
110 Slots
WaveLab 9.5.40 Pro
115 Slots
strange, now i have only 65-70 slots at start up cubase. normaly around 88-90
have no idea what can eat 19 sltos!
any solutions ?
Any loaded DLLs in the process can use up slots. It’s possible there’s an option enabled in Cubase, or you added a plugin, or an update to cubase or one of the loaded components/plugins uses more.
The 19H1 “May 2019 Update” release that ups the limit is coming late next month.
Pete
(Also, yes, the FLS Checker plugin is hard-coded to max at 128. On a 19h1 system, it always reports 128, no matter how many plugins are loaded (unless you manage to hit the new super-high limit, that is)
Thanks Pete, read your post before, cant wait to tested new update.
you mentioned Option in Cubase, what it can be ?
I don’t know of a specific option. I was just brainstorming out loud on what may have caused Cubase to use more slots. In general, that means it’s loading more DLLs, which I assume would be due to some checked option, or internal effects etc.
Pete