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+## v1.13.1
+
+### Fixes
+
+- fix parsing zero or multiple optional fields in cgroup mountinfo.
+
+## v1.13.0
+
+### Features
+
+- add Linux cgroups support when calling `get()`.
+
+## v1.12.0
+
+#### Fixes
+
+- fix `get` on OpenBSD to ignore offline CPUs
+- implement `get_physical` on OpenBSD
+
+## v1.11.1
+
+#### Fixes
+
+- Use `mem::zeroed` instead of `mem::uninitialized`.
+
+## v1.11.0
+
+#### Features
+
+- add `hermit` target OS support
+- removes `bitrig` support
+
+#### Fixes
+
+- fix `get_physical` count with AMD hyperthreading.
+
+## v1.10.1
+
+#### Fixes
+
+- improve `haiku` CPU detection
+
+## v1.10.0
+
+#### Features
+
+- add `illumos` target OS support
+- add default fallback if target is unknown to `1`
+
+## v1.9.0
+
+#### Features
+
+- add `sgx` target env support
+
+## v1.8.0
+
+#### Features
+
+- add `wasm-unknown-unknown` target support
+
+## v1.7.0
+
+#### Features
+
+- add `get_physical` support for macOS
+
+#### Fixes
+
+- use `_SC_NPROCESSORS_CONF` on Unix targets
+
+### v1.6.2
+
+#### Fixes
+
+- revert 1.6.1 for now
+
+### v1.6.1
+
+#### Fixes
+
+- fixes sometimes incorrect num on Android/ARM Linux (#45)
+
+## v1.6.0
+
+#### Features
+
+- `get_physical` gains Windows support
+
+### v1.5.1
+
+#### Fixes
+
+- fix `get` to return 1 if `sysconf(_SC_NPROCESSORS_ONLN)` failed
+
+## v1.5.0
+
+#### Features
+
+- `get()` now checks `sched_affinity` on Linux
+
+## v1.4.0
+
+#### Features
+
+- add `haiku` target support
+
+## v1.3.0
+
+#### Features
+
+- add `redox` target support
+
+### v1.2.1
+
+#### Fixes
+
+- fixes `get_physical` count (454ff1b)
+
+## v1.2.0
+
+#### Features
+
+- add `emscripten` target support
+- add `fuchsia` target support
+
+## v1.1.0
+
+#### Features
+
+- added `get_physical` function to return number of physical CPUs found
+
+# v1.0.0
+
+#### Features
+
+- `get` function returns number of CPUs (physical and virtual) of current platform