Whoa! Lots!
The company is SUPER cliquey, with the company consistently pushing the idea that your coworkers are your family - which is just so not true. Your family is your family, not your coworkers.
They don't give raises- even when you get a promotion, it won't come with a raise unless you continue to "prove" yourself or whatever that means! Only people who are the company favorites and therefore given the opportunity to excel are considered superstars and given raises. In addition, if you aren't a favorite in the company, HR will effectively ignore you. If you have an issue with your manager, HR will always defer to the manager - preferring to fire the complaining employee than discipline the manager.
They consistently mistreat employees returning from maternity leave.
In addition, they haven't had a successful product since their first, not sure this company will ever IPO.
And lots more. Basically, Lightricks may seem all nice and shiny from the outside, but there's a ton of dysfunction brewing right underneath the function.