Visual studio lightswitch takes very long time (hangs for 20 sec) when changing entities properties in screen design

hi, I have lightswitch project that is growing up every day. Now it has 200 database table and about 450 default screens. When I first started the lightswitch project with few tables
(about 50 tables), it responses very fast. Gradually when I created the screens, the response takes 10 seconds for any changes I made in the screens or on the tables (*.lsml). Now, it takes 20 seconds (-+2 sec) to be able to do the next change!. For example,
changing the group name, entity input type, width, table summary property ,arrange fields in the groups, change display name (which I change the most),,etc. Just imaging that I can change 3 things on a minute! I am using lightswitch with VB coding , but no
programing codes (yet), I uses only HTML screens, no extensions, connected with SQL express 2012 (but I think that has nothing to do with the slowness since the problem is on the screens design time), I have created the project from scratch three times, with
visual studio 2013 ultimate update 3, update 4, and now with Update 5 CTP 1 !! Yet, the same result. Strange that the freezing time is always about 20 seconds!! Any idea why this is happening? Any resolution?! Regards, Hasan

Hi Michael
again i appreciate your answer ...
i was trying to implement your suggested workaround of my problem, unfortunately, it won't work with me ! i cannot split the
project to smaller modules because of:
all screens are connected to each other's with buttons and clicks (view selected)
i have changed all the "display names" of tables fields (translation). i would have problem in translation whenever i
need to add tables or fields in the database, then i need to repeat that for all modules. i know that i can use other translation method, but i have already translated thousands of words !
i have spent 2 months in 2013 to learn MVC, but i did not like it. it is somehow complex for me. i am a volunteer developer (actually i
am network designer ).
i may lose the authentication , as i need to log-in to each module separately.
is there any root solution to this problem ; the VS Lightswitch (or IDE) slowness when there
is a lot of screens? maybe in VS2015?
i had great hopes for the lightswitch, and still it is the only IDE that i can use for the "Charity
ERP" project.
regards,
Hasan

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