As [announced](go1.22#darwin) in the Go 1.22 release notes,
Go 1.23 requires macOS 11 Big Sur or later;
support for previous versions has been discontinued.

### Wasm {#wasm}

<!-- go.dev/issue/63718 -->
The `go_wasip1_wasm_exec` script in `GOROOT/misc/wasm` has dropped support

[Cookie] now preserves double quotes surrounding a cookie value.
The new [Cookie.Quoted] field indicates whether the [Cookie.Value]

pkg syscall (darwin-386), const IPPROTO_VMTP = 81
pkg syscall (darwin-386), const IPPROTO_WBEXPAK = 79
pkg syscall (darwin-386), const IPPROTO_WBMON = 78
pkg syscall (darwin-386), const IPPROTO_WSN = 74
pkg syscall (darwin-386), const IPPROTO_XNET = 15
pkg syscall (darwin-386), const IPPROTO_XTP = 36
pkg syscall (darwin-386), const IPV6_2292DSTOPTS = 23
pkg syscall (darwin-386), const IPV6_2292HOPLIMIT = 20

On Windows, [EvalSymlinks] no longer evaluates mount points,
which was a source of many inconsistencies and bugs.
This behavior is controlled by the `winsymlink` setting.
For Go 1.23, it defaults to `winsymlink=1`.
Previous versions default to `winsymlink=0`.

On Windows, [EvalSymlinks] no longer tries to normalize
volumes to drive letters, which was not always even possible.
This behavior is controlled by the `winreadlinkvolume` setting.

On Windows, [Readlink] no longer tries to normalize volumes
to drive letters, which was not always even possible.
This behavior is controlled by the `winreadlinkvolume` setting.
For Go 1.23, it defaults to `winreadlinkvolume=1`.

pkg log/slog, func Uint64(string, uint64) Attr #56345
pkg log/slog, func Uint64Value(uint64) Value #56345
pkg log/slog, func WarnContext(context.Context, string, ...interface{})  #61200
pkg log/slog, func Warn(string, ...interface{}) #56345
pkg log/slog, func With(...interface{}) *Logger #56345
pkg log/slog, method (Attr) Equal(Attr) bool #56345
pkg log/slog, method (Attr) String() string #56345

pkg syscall (freebsd-386-cgo), const IPPROTO_VMTP ideal-int
pkg syscall (freebsd-386-cgo), const IPPROTO_WBEXPAK ideal-int
pkg syscall (freebsd-386-cgo), const IPPROTO_WBMON ideal-int
pkg syscall (freebsd-386-cgo), const IPPROTO_WSN ideal-int
pkg syscall (freebsd-386-cgo), const IPPROTO_XNET ideal-int
pkg syscall (freebsd-386-cgo), const IPPROTO_XTP ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_AUTOFLOWLABEL ideal-int