# Objective
- Contributes to #15460
## Solution
- Added the following features:
- `std` (default)
- `smol_str` (default)
- `portable-atomic`
- `critical-section`
- `libm`
- Fixed an existing issue where `bevy_reflect` wasn't properly feature
gated.
## Testing
- CI
## Notes
- There were some minor issues with `bevy_math` and `bevy_ecs` noticed
in this PR which I have also resolved here. I can split these out if
desired, but I've left them here for now as they're very small changes
and I don't consider this PR itself to be very controversial.
- `libm`, `portable-atomic`, and `critical-section` are shortcuts to
enable the relevant features in dependencies, making the usage of this
crate on atomically challenged platforms possible and simpler.
- `smol_str` is gated as it doesn't support atomically challenged
platforms (e.g., Raspberry Pi Pico). I have an issue and a
[PR](https://github.com/rust-analyzer/smol_str/pull/91) to discuss this
upstream.
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