Why not ask the users if they wanted to be forced to get a new app and interface?
Its a bit crazy to think that a company so focused on user end interface decides to do a massive update like this without asking the users if such a thing is needed. If you wanted this to go smoothly, you should've had management get their heads out of the ground and realize that they are not supposed to be sole decision makers for the users if they wanted a huge overhaul to the app.
Was it necessary? Absolutely not
Does it help at all? Absolutely not, only when you need to change settings to auto-messages and forms, which is once in a blue moon and was able to be done on the weave website itself.
Is it easier to use? Absolutely not. You can tell management knows this because they are offering training for it, meaning they know that the new one is complicated to use for people who were used to the old one.
Were we asked if we liked the legacy app and want any changes? Absolutely not..
You see how many ways this mishap would've been avoided if you thoroughly thought this through and had the right actions? Now you have confused and angry users like me who have to have their whole staff in one room and train them on this new interface.
I bet the first question that will come up from the staff is "I liked the old app, why did we have to go the new one?"
Horrible move by the Weave team, you had something good going and totally ruined it.

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Colleen Dostal commented
Because they do not care about their customers!
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Christianne Transfiguracion commented
Agree with the original poster!
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Thank you for your feedback. We know this change hasn't been an easy one, but we hope you will grow to love it as we continue improving it day-by-day.