diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index e7b2df34ccca2..d304d38e15674 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -91,7 +91,7 @@ declare_features! (
     /// Allows coercing non capturing closures to function pointers.
     (accepted, closure_to_fn_coercion, "1.19.0", Some(39817), None),
     /// Allows using `cmpxchg16b` from `core::arch::x86_64`.
-    (accepted, cmpxchg16b_target_feature, "CURRENT_RUSTC_VERSION", Some(44839), None),
+    (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839), None),
     /// Allows usage of the `compile_error!` macro.
     (accepted, compile_error, "1.20.0", Some(40872), None),
     /// Allows `impl Trait` in function return types.
diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs
index a01914f969eb7..baea5968efeb7 100644
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@@ -161,7 +161,7 @@ declare_features! (
     /// Allows using `#[lang = ".."]` attribute for linking items to special compiler logic.
     (active, lang_items, "1.0.0", None, None),
     /// Allows the `multiple_supertrait_upcastable` lint.
-    (active, multiple_supertrait_upcastable, "CURRENT_RUSTC_VERSION", None, None),
+    (active, multiple_supertrait_upcastable, "1.69.0", None, None),
     /// Allows using `#[omit_gdb_pretty_printer_section]`.
     (active, omit_gdb_pretty_printer_section, "1.5.0", None, None),
     /// Allows using `#[prelude_import]` on glob `use` items.
@@ -216,7 +216,7 @@ declare_features! (
     /// Allows declaring with `#![needs_panic_runtime]` that a panic runtime is needed.
     (active, needs_panic_runtime, "1.10.0", Some(32837), None),
     /// Allows using `+bundled,+whole-archive` native libs.
-    (active, packed_bundled_libs, "CURRENT_RUSTC_VERSION", Some(108081), None),
+    (active, packed_bundled_libs, "1.69.0", Some(108081), None),
     /// Allows using the `#![panic_runtime]` attribute.
     (active, panic_runtime, "1.10.0", Some(32837), None),
     /// Allows using `#[rustc_allow_const_fn_unstable]`.
@@ -471,7 +471,7 @@ declare_features! (
     /// Allows using the `non_exhaustive_omitted_patterns` lint.
     (active, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554), None),
     /// Allows `for<T>` binders in where-clauses
-    (incomplete, non_lifetime_binders, "CURRENT_RUSTC_VERSION", Some(108185), None),
+    (incomplete, non_lifetime_binders, "1.69.0", Some(108185), None),
     /// Allows making `dyn Trait` well-formed even if `Trait` is not object safe.
     /// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and
     /// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden.
diff --git a/library/core/src/error.rs b/library/core/src/error.rs
index 571bc4bcfd13d..d4103183cd8b7 100644
--- a/library/core/src/error.rs
+++ b/library/core/src/error.rs
@@ -489,7 +489,7 @@ impl Error for crate::char::CharTryFromError {
 #[stable(feature = "duration_checked_float", since = "1.66.0")]
 impl Error for crate::time::TryFromFloatSecsError {}
 
-#[stable(feature = "cstr_from_bytes_until_nul", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "cstr_from_bytes_until_nul", since = "1.69.0")]
 impl Error for crate::ffi::FromBytesUntilNulError {}
 
 #[unstable(feature = "get_many_mut", issue = "104642")]
diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs
index 87f077325f8be..fe8abdf7fad2f 100644
--- a/library/core/src/ffi/c_str.rs
+++ b/library/core/src/ffi/c_str.rs
@@ -153,10 +153,10 @@ impl Error for FromBytesWithNulError {
 /// This error is created by the [`CStr::from_bytes_until_nul`] method.
 ///
 #[derive(Clone, PartialEq, Eq, Debug)]
-#[stable(feature = "cstr_from_bytes_until_nul", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "cstr_from_bytes_until_nul", since = "1.69.0")]
 pub struct FromBytesUntilNulError(());
 
-#[stable(feature = "cstr_from_bytes_until_nul", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "cstr_from_bytes_until_nul", since = "1.69.0")]
 impl fmt::Display for FromBytesUntilNulError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "data provided does not contain a nul")
@@ -324,8 +324,8 @@ impl CStr {
     /// ```
     ///
     #[rustc_allow_const_fn_unstable(const_slice_index)]
-    #[stable(feature = "cstr_from_bytes_until_nul", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "cstr_from_bytes_until_nul", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "cstr_from_bytes_until_nul", since = "1.69.0")]
+    #[rustc_const_stable(feature = "cstr_from_bytes_until_nul", since = "1.69.0")]
     pub const fn from_bytes_until_nul(bytes: &[u8]) -> Result<&CStr, FromBytesUntilNulError> {
         let nul_pos = memchr::memchr(0, bytes);
         match nul_pos {
diff --git a/library/core/src/net/socket_addr.rs b/library/core/src/net/socket_addr.rs
index 0d25ab1d5e1a4..2d48e27158004 100644
--- a/library/core/src/net/socket_addr.rs
+++ b/library/core/src/net/socket_addr.rs
@@ -121,7 +121,7 @@ impl SocketAddr {
     /// ```
     #[stable(feature = "ip_addr", since = "1.7.0")]
     #[must_use]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn new(ip: IpAddr, port: u16) -> SocketAddr {
         match ip {
             IpAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(a, port)),
@@ -141,7 +141,7 @@ impl SocketAddr {
     /// ```
     #[must_use]
     #[stable(feature = "ip_addr", since = "1.7.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn ip(&self) -> IpAddr {
         match *self {
             SocketAddr::V4(ref a) => IpAddr::V4(*a.ip()),
@@ -182,7 +182,7 @@ impl SocketAddr {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn port(&self) -> u16 {
         match *self {
             SocketAddr::V4(ref a) => a.port(),
@@ -226,7 +226,7 @@ impl SocketAddr {
     /// ```
     #[must_use]
     #[stable(feature = "sockaddr_checker", since = "1.16.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn is_ipv4(&self) -> bool {
         matches!(*self, SocketAddr::V4(_))
     }
@@ -248,7 +248,7 @@ impl SocketAddr {
     /// ```
     #[must_use]
     #[stable(feature = "sockaddr_checker", since = "1.16.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn is_ipv6(&self) -> bool {
         matches!(*self, SocketAddr::V6(_))
     }
@@ -268,7 +268,7 @@ impl SocketAddrV4 {
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     #[must_use]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn new(ip: Ipv4Addr, port: u16) -> SocketAddrV4 {
         SocketAddrV4 { ip, port }
     }
@@ -285,7 +285,7 @@ impl SocketAddrV4 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn ip(&self) -> &Ipv4Addr {
         &self.ip
     }
@@ -318,7 +318,7 @@ impl SocketAddrV4 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn port(&self) -> u16 {
         self.port
     }
@@ -359,7 +359,7 @@ impl SocketAddrV6 {
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     #[must_use]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn new(ip: Ipv6Addr, port: u16, flowinfo: u32, scope_id: u32) -> SocketAddrV6 {
         SocketAddrV6 { ip, port, flowinfo, scope_id }
     }
@@ -376,7 +376,7 @@ impl SocketAddrV6 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn ip(&self) -> &Ipv6Addr {
         &self.ip
     }
@@ -409,7 +409,7 @@ impl SocketAddrV6 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn port(&self) -> u16 {
         self.port
     }
@@ -452,7 +452,7 @@ impl SocketAddrV6 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn flowinfo(&self) -> u32 {
         self.flowinfo
     }
@@ -492,7 +492,7 @@ impl SocketAddrV6 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_socketaddr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_socketaddr", since = "1.69.0")]
     pub const fn scope_id(&self) -> u32 {
         self.scope_id
     }
diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs
index 258919d53a4ec..99a4e0b5106c2 100644
--- a/library/std/src/os/fd/owned.rs
+++ b/library/std/src/os/fd/owned.rs
@@ -399,7 +399,7 @@ impl<T: AsFd> AsFd for crate::sync::Arc<T> {
     }
 }
 
-#[stable(feature = "asfd_rc", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "asfd_rc", since = "1.69.0")]
 impl<T: AsFd> AsFd for crate::rc::Rc<T> {
     #[inline]
     fn as_fd(&self) -> BorrowedFd<'_> {
diff --git a/library/std/src/os/fd/raw.rs b/library/std/src/os/fd/raw.rs
index 0a4cefd209558..592e072ad908a 100644
--- a/library/std/src/os/fd/raw.rs
+++ b/library/std/src/os/fd/raw.rs
@@ -254,7 +254,7 @@ impl<T: AsRawFd> AsRawFd for crate::sync::Arc<T> {
     }
 }
 
-#[stable(feature = "asfd_rc", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "asfd_rc", since = "1.69.0")]
 impl<T: AsRawFd> AsRawFd for crate::rc::Rc<T> {
     #[inline]
     fn as_raw_fd(&self) -> RawFd {
diff --git a/src/ci/channel b/src/ci/channel
index bf867e0ae5b6c..65b2df87f7df3 100644
--- a/src/ci/channel
+++ b/src/ci/channel
@@ -1 +1 @@
-nightly
+beta