At the end of the day, I need a functional smartphone that can run the apps needed for daily life. MicroG offers that while reducing my exposure to Google.
If you need a functional smartphone that runs the apps you need while reducing exposure to google, GrapheneOS is the best option for that by far.
Sandboxed Google Play isn't installed by default, so our users don't have to use it if they don't want to.
Sandboxed Google Play doesn't have privileged permissions and has no more permissions than other user-installed apps. This means that they have the same restrictions as other user-installed apps.
This isn't meaningful when the other user-installed apps are calling Google Play Services in the same sandbox.
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App & mini Google Play Services = access is restricted, like other regular apps.
App & mini Google Play Services + Sandboxed Google Play (unprivileged) = virtually the same access as above
App & mini Google Play Services + microG (privileged) = Google has the same access as the situations above, but with worse app compatibility, worse security (especially because of privileged access), and worse privacy (leaks).
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You're worried about apps without special permissions to anything sharing usage data that they have access to anyway while ignoring the huge problems with microG just because "Google bad". That's hardly a sane approach to privacy.
GrapheneOS gives drastically less access to closed source Google Play code including the SDK, libraries and droidguard than the microG approach on /e/. It's strictly less, not more in any way. GrapheneOS does not allow it to access anything not already accessible to the SDK and libraries in the apps using those.
This Google service functionality also doesn't come as part of GrapheneOS. GrapheneOS has network location, geocoding and other functionality included in the OS via standalone implementations not tied to Google service compatibility as they are with microG.
GrapheneOS does reimplement the Google Play location service, but it does so inside of apps using it as a library to avoid needing a new service with location access and other privileges. It uses the OS network location when enabled but the OS network location is entirely independent from it.
To take some examples, MicroG stubs out the analytics and ads APIs. Your "sandboxed" Play would send that data to the mothership and return with ads.
https://github.com/microg/GmsCore/wiki/Implementation-Status
https://github.com/microg/GmsCore/blob/32bc8954ff872d0e1a05d...
Exactly.
Being too focused on "Google bad" means you're not seeing the bigger picture. microG is only a thing to provide app compatibility for apps that rely on Google Play Services. Which apps do you think do that? Apps with Google libraries that often have fallback implementations and can operate without Google Play Services.
So, given those facts, if someone has microG installed, Google still effectively has the same access as a device with Sandboxed Google Play, except microG users are stuck with worse app compatibility and because of signature spoofing it's less secure and code runs in that privileged context.
GrapheneOS focuses on privacy, security, and app compatibility. microG fails at security and app compatibility. Also, there are apparently leaks (that I admit I don't know the details of) regarding location that make it worse for privacy too. There could be more leaks that I don't know about.
Each app using Google Play still has the closed source Google Play SDK and libraries built into it in practice. It's extraordinarily rare to replace those libraries with the incomplete and buggy reimplementations from microG. Very close to zero otherwise open source apps are using those. The closed source Google Play SDK and libraries are therefore still part of the loop and have access to what the app can access. Many of the code paths in the Google libraries directly use Google services without requiring Play services including the full versions of the Ads and Analytics libraries.
The vast majority of data obtained by Play services is via the OS integration and permissions. Apps using it for push messaging, logging into accounts and many other features will send the same data to Google services regardless of whether you use it via sandboxed Google Play or microG.
GrapheneOS stubs out and reimplements APIs on the client side. That includes providing a complete implementation of the Google Play services location API not using on Google Play. These features are being expanded over time. They'll also be made available without having Google Play.
The GrapheneOS approach avoids giving an additional global service access to sensitive data from the OS and apps. microG has repeatedly had vulnerabilities leaking sensitive data to apps including location data. The approach of having an extra service sitting between apps and the OS which handles sensitive data means having to add all the same privacy and security checks as Play services which microG doesn't do in practice and it has caused severe privacy leaks. The main location leakage was eventually fixed but it persisted for years and there are still holes in the location service causing privacy issues.
Unlike microG, sandboxed Google Play doesn't get privileged access. That includes the executables (droidguard) downloaded by microG not getting privileged access. GrapheneOS also doesn't give privileged access to other apps such as Android Auto when those are installed as all the main operating systems using microG are doing. That privileged access gives access to highly sensitive data and doesn't require apps explicitly sending data to Google services, which will nearly all still go to Google services with a partial replacement of the middleware on the device.
That sounds like you are exactly rebuilding microG. To me, this is an endorsement of their approach not a rejection of it. If you don't like their implementations, it would be more public spirited to contribute patches, but it's your project.
One of the main companies behind microG providing most of their funding (Murena) has repeatedly falsely claimed GrapheneOS is mainly used by criminals and heavily pushed talking points claiming more private/secure devices mainly benefit criminals and pedophiles. These are 2 of many examples and are the tip of the iceberg:
https://www.clubic.com/actualite-604786-murena-e-os-intervie...
https://grapheneos.social/@GrapheneOS/116353973732143171
It's very strange to claim we aren't being community minded when considering the context of their years of effort to mislead people about GrapheneOS and harm our team. The microG project and several of the organizations backing it have spent years misleading people about GrapheneOS by falsely claiming it isn't a privacy project and misrepresenting what we provide. Many of their supporters do the same, including throughout posts on this site.
Those operating systems and phone products heavily mislead users about what they provide in their products and get people using devices with atrocious privacy and security due to lack of bare minimum privacy/security patches and protections. We see that as directly opposed to our efforts of improving mobile privacy and security. They're directing people away from reasonably private and secure devices such as an to devices not even getting the increasingly inadequate standard Android privacy/security patches for months or even years at a time.
Leaving aside the emotional folderol, "rebuilding the Google Mobile Services functionality" is exactly what MicroG does. You are both offering stub reimplementations of GmsCore as system apps. AFAIK, microG is essentially a one-man project initially funded by a grant from the German government[0] and it predates /e/OS by several years.
GrapheneOS's approach is far different from microG's. It's not about rebuilding everything from scratch, it's about making Google Play Services behave as a non-privileged app.
microG isn't a one person project and has been largely funded by Murena, Calyx and FUTO. The government funding they get is mainly through Murena. The one person you're talking about working on microG has directly participated in attacks on GrapheneOS with false claims about it and our team, but most of it has come from the organizations funding it and paying people to work on it. Each of those 3 listed organizations has engaged in a massive amount of attacks on the GrapheneOS project including harassment. We haven't ever engaged in that towards any of them. You can see numerous cases throughout this thread of unprovoked personal attacks on our team and lies about us as individuals. It is not something both sides are doing as we haven't done it.
Also, for some reason some people think that microG means deGoogling. That's not at all the case. microG still communicates with Google servers.
microG doesn't meet the project's requirements. If you look at the big picture, microG offers worse app compatibility and is less secure. The cons outweigh the pros by a lot. "Google bad" isn't an argument that works for us. App compatibility is very important.