It's Apache 2. It's as "Open Source" as you can get [1].
[1] https://opensource.org/licenses/Apache-2.0
I can take a screenshot of Windows 10 and publish it under an Apache 2 license, but that doesn't make the Windows 10 source code "Open Source".
It's Apache 2. It's as "Open Source" as you can get [1].
[1] https://opensource.org/licenses/Apache-2.0