Rainbow Six Siege Dev Tracker

(2017) Q for Ubi: What is supposed to break Mira's windows?

This thread was added on February 10, 2017, with posts from Ubi-Surulies.

Original Post
As the title says. From outside, what is supposed to break Mira's windows?
What I can confirm does break them:
Hibana pellets
Thermite charges
Ash launcher rounds
Meleeing that "secret" spot (obviously a bug, I know)
The only 2 I'm sure are supposed to break it are Hibana and Thermite. I also know that Twitch's drone can shoot the canister from inside, which is interesting as it appears to just be a metal canister with no electronic parts. So I'd like confirmation that that's intentional.
Side note, C4 doesn't break the glass from either side.
PS- The things that maybe could break it that I haven't had a chance to test yet:
Sledge hammer
Breach charge
Frag grenade?
Impact grenade?
Glaz's gun?
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Thanks,
Surulies