diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index cfe0f4e5d6cb6..bf6b88262d307 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -83,7 +83,7 @@ declare_features! (
     /// Allows overloading augmented assignment operations like `a += b`.
     (accepted, augmented_assignments, "1.8.0", Some(28235)),
     /// Allows using `avx512*` target features.
-    (accepted, avx512_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)),
+    (accepted, avx512_target_feature, "1.89.0", Some(44839)),
     /// Allows mixing bind-by-move in patterns and references to those identifiers in guards.
     (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287)),
     /// Allows bindings in the subpattern of a binding pattern.
@@ -221,7 +221,7 @@ declare_features! (
     /// Allows capturing variables in scope using format_args!
     (accepted, format_args_capture, "1.58.0", Some(67984)),
     /// Infer generic args for both consts and types.
-    (accepted, generic_arg_infer, "CURRENT_RUSTC_VERSION", Some(85077)),
+    (accepted, generic_arg_infer, "1.89.0", Some(85077)),
     /// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598).
     (accepted, generic_associated_types, "1.65.0", Some(44265)),
     /// Allows attributes on lifetime/type formal parameters in generics (RFC 1327).
@@ -262,7 +262,7 @@ declare_features! (
     /// especially around globs and shadowing (RFC 1560).
     (accepted, item_like_imports, "1.15.0", Some(35120)),
     // Allows using the `kl` and `widekl` target features and the associated intrinsics
-    (accepted, keylocker_x86, "CURRENT_RUSTC_VERSION", Some(134813)),
+    (accepted, keylocker_x86, "1.89.0", Some(134813)),
     /// Allows `'a: { break 'a; }`.
     (accepted, label_break_value, "1.65.0", Some(48594)),
     /// Allows `let...else` statements.
@@ -365,7 +365,7 @@ declare_features! (
     /// Lessens the requirements for structs to implement `Unsize`.
     (accepted, relaxed_struct_unsize, "1.58.0", Some(81793)),
     /// Allows the `#[repr(i128)]` attribute for enums.
-    (accepted, repr128, "CURRENT_RUSTC_VERSION", Some(56071)),
+    (accepted, repr128, "1.89.0", Some(56071)),
     /// Allows `repr(align(16))` struct attribute (RFC 1358).
     (accepted, repr_align, "1.25.0", Some(33626)),
     /// Allows using `#[repr(align(X))]` on enums with equivalent semantics
@@ -387,7 +387,7 @@ declare_features! (
     /// Allows `Self` struct constructor (RFC 2302).
     (accepted, self_struct_ctor, "1.32.0", Some(51994)),
     /// Allows use of x86 SHA512, SM3 and SM4 target-features and intrinsics
-    (accepted, sha512_sm_x86, "CURRENT_RUSTC_VERSION", Some(126624)),
+    (accepted, sha512_sm_x86, "1.89.0", Some(126624)),
     /// Shortern the tail expression lifetime
     (accepted, shorter_tail_lifetimes, "1.84.0", Some(123739)),
     /// Allows using subslice patterns, `[a, .., b]` and `[a, xs @ .., b]`.
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index 0cd090b25a4f8..53573e2007ffb 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -221,7 +221,7 @@ declare_features! (
     /// Allows exhaustive integer pattern matching with `usize::MAX`/`isize::MIN`/`isize::MAX`.
     (removed, precise_pointer_size_matching, "1.76.0", Some(56354),
      Some("removed in favor of half-open ranges"), 118598),
-    (removed, pref_align_of, "CURRENT_RUSTC_VERSION", Some(91971),
+    (removed, pref_align_of, "1.89.0", Some(91971),
      Some("removed due to marginal use and inducing compiler complications")),
     (removed, proc_macro_expr, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`"), 52121),
@@ -264,7 +264,7 @@ declare_features! (
     (removed, unnamed_fields, "1.83.0", Some(49804), Some("feature needs redesign"), 131045),
     (removed, unsafe_no_drop_flag, "1.0.0", None, None),
     /// Allows unsized rvalues at arguments and parameters.
-    (removed, unsized_locals, "CURRENT_RUSTC_VERSION", Some(48055), Some("removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942")),
+    (removed, unsized_locals, "1.89.0", Some(48055), Some("removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942")),
     (removed, unsized_tuple_coercion, "1.87.0", Some(42877),
      Some("The feature restricts possible layouts for tuples, and this restriction is not worth it."), 137728),
     /// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue.
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index 91715851226bb..31faa7e5be27b 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -238,7 +238,7 @@ declare_features! (
     /// Allows using `rustc_*` attributes (RFC 572).
     (internal, rustc_attrs, "1.0.0", None),
     /// Introduces a hierarchy of `Sized` traits (RFC 3729).
-    (unstable, sized_hierarchy, "CURRENT_RUSTC_VERSION", None),
+    (unstable, sized_hierarchy, "1.89.0", None),
     /// Allows using the `#[stable]` and `#[unstable]` attributes.
     (internal, staged_api, "1.0.0", None),
     /// Added for testing unstable lints; perma-unstable.
@@ -356,7 +356,7 @@ declare_features! (
     /// Allows `extern "C-cmse-nonsecure-call" fn()`.
     (unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391)),
     /// Allows `extern "custom" fn()`.
-    (unstable, abi_custom, "CURRENT_RUSTC_VERSION", Some(140829)),
+    (unstable, abi_custom, "1.89.0", Some(140829)),
     /// Allows `extern "gpu-kernel" fn()`.
     (unstable, abi_gpu_kernel, "1.86.0", Some(135467)),
     /// Allows `extern "msp430-interrupt" fn()`.
@@ -376,7 +376,7 @@ declare_features! (
     /// Allows inherent and trait methods with arbitrary self types that are raw pointers.
     (unstable, arbitrary_self_types_pointers, "1.83.0", Some(44874)),
     /// Allows #[cfg(...)] on inline assembly templates and operands.
-    (unstable, asm_cfg, "CURRENT_RUSTC_VERSION", Some(140364)),
+    (unstable, asm_cfg, "1.89.0", Some(140364)),
     /// Enables experimental inline assembly support for additional architectures.
     (unstable, asm_experimental_arch, "1.58.0", Some(93335)),
     /// Enables experimental register support in inline assembly.
diff --git a/library/core/src/array/iter.rs b/library/core/src/array/iter.rs
index a59b2f05305d2..fdae5c08f1e8e 100644
--- a/library/core/src/array/iter.rs
+++ b/library/core/src/array/iter.rs
@@ -224,7 +224,7 @@ impl<T, const N: usize> IntoIter<T, N> {
     }
 }
 
-#[stable(feature = "array_value_iter_default", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "array_value_iter_default", since = "1.89.0")]
 impl<T, const N: usize> Default for IntoIter<T, N> {
     fn default() -> Self {
         IntoIter::empty()
diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs
index 221ca91e005f7..5a46c04527b9e 100644
--- a/library/core/src/array/mod.rs
+++ b/library/core/src/array/mod.rs
@@ -588,7 +588,7 @@ impl<T, const N: usize> [T; N] {
     /// Returns a mutable slice containing the entire array. Equivalent to
     /// `&mut s[..]`.
     #[stable(feature = "array_as_slice", since = "1.57.0")]
-    #[rustc_const_stable(feature = "const_array_as_mut_slice", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_array_as_mut_slice", since = "1.89.0")]
     pub const fn as_mut_slice(&mut self) -> &mut [T] {
         self
     }
diff --git a/library/core/src/cell/lazy.rs b/library/core/src/cell/lazy.rs
index 0b2a2ce7ded04..1758e84ad7cdf 100644
--- a/library/core/src/cell/lazy.rs
+++ b/library/core/src/cell/lazy.rs
@@ -284,7 +284,7 @@ impl<T, F: FnOnce() -> T> Deref for LazyCell<T, F> {
     }
 }
 
-#[stable(feature = "lazy_deref_mut", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "lazy_deref_mut", since = "1.89.0")]
 impl<T, F: FnOnce() -> T> DerefMut for LazyCell<T, F> {
     #[inline]
     fn deref_mut(&mut self) -> &mut T {
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs
index 282ad32553c98..ea650b810b7fd 100644
--- a/library/core/src/ptr/non_null.rs
+++ b/library/core/src/ptr/non_null.rs
@@ -94,8 +94,8 @@ impl<T: Sized> NonNull<T> {
     /// For more details, see the equivalent method on a raw pointer, [`ptr::without_provenance_mut`].
     ///
     /// This is a [Strict Provenance][crate::ptr#strict-provenance] API.
-    #[stable(feature = "nonnull_provenance", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "nonnull_provenance", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "nonnull_provenance", since = "1.89.0")]
+    #[rustc_const_stable(feature = "nonnull_provenance", since = "1.89.0")]
     #[must_use]
     #[inline]
     pub const fn without_provenance(addr: NonZero<usize>) -> Self {
@@ -138,7 +138,7 @@ impl<T: Sized> NonNull<T> {
     /// For more details, see the equivalent method on a raw pointer, [`ptr::with_exposed_provenance_mut`].
     ///
     /// This is an [Exposed Provenance][crate::ptr#exposed-provenance] API.
-    #[stable(feature = "nonnull_provenance", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "nonnull_provenance", since = "1.89.0")]
     #[inline]
     pub fn with_exposed_provenance(addr: NonZero<usize>) -> Self {
         // SAFETY: we know `addr` is non-zero.
@@ -269,8 +269,8 @@ impl<T: PointeeSized> NonNull<T> {
     }
 
     /// Converts a reference to a `NonNull` pointer.
-    #[stable(feature = "non_null_from_ref", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "non_null_from_ref", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "non_null_from_ref", since = "1.89.0")]
+    #[rustc_const_stable(feature = "non_null_from_ref", since = "1.89.0")]
     #[inline]
     pub const fn from_ref(r: &T) -> Self {
         // SAFETY: A reference cannot be null.
@@ -278,8 +278,8 @@ impl<T: PointeeSized> NonNull<T> {
     }
 
     /// Converts a mutable reference to a `NonNull` pointer.
-    #[stable(feature = "non_null_from_ref", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "non_null_from_ref", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "non_null_from_ref", since = "1.89.0")]
+    #[rustc_const_stable(feature = "non_null_from_ref", since = "1.89.0")]
     #[inline]
     pub const fn from_mut(r: &mut T) -> Self {
         // SAFETY: A mutable reference cannot be null.
@@ -335,7 +335,7 @@ impl<T: PointeeSized> NonNull<T> {
     /// For more details, see the equivalent method on a raw pointer, [`pointer::expose_provenance`].
     ///
     /// This is an [Exposed Provenance][crate::ptr#exposed-provenance] API.
-    #[stable(feature = "nonnull_provenance", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "nonnull_provenance", since = "1.89.0")]
     pub fn expose_provenance(self) -> NonZero<usize> {
         // SAFETY: The pointer is guaranteed by the type to be non-null,
         // meaning that the address will be non-zero.
diff --git a/library/core/src/result.rs b/library/core/src/result.rs
index 3a84ea66ad4b2..7f3f296498544 100644
--- a/library/core/src/result.rs
+++ b/library/core/src/result.rs
@@ -1740,9 +1740,9 @@ impl<T, E> Result<Result<T, E>, E> {
     /// assert_eq!(Ok("hello"), x.flatten().flatten());
     /// ```
     #[inline]
-    #[stable(feature = "result_flattening", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "result_flattening", since = "1.89.0")]
     #[rustc_allow_const_fn_unstable(const_precise_live_drops)]
-    #[rustc_const_stable(feature = "result_flattening", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "result_flattening", since = "1.89.0")]
     pub const fn flatten(self) -> Result<T, E> {
         // FIXME(const-hack): could be written with `and_then`
         match self {
diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs
index 181ae82959c66..e17a2e03d2dc4 100644
--- a/library/core/src/slice/ascii.rs
+++ b/library/core/src/slice/ascii.rs
@@ -52,7 +52,7 @@ impl [u8] {
     /// Same as `to_ascii_lowercase(a) == to_ascii_lowercase(b)`,
     /// but without allocating and copying temporaries.
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
-    #[rustc_const_stable(feature = "const_eq_ignore_ascii_case", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_eq_ignore_ascii_case", since = "1.89.0")]
     #[must_use]
     #[inline]
     pub const fn eq_ignore_ascii_case(&self, other: &[u8]) -> bool {
diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs
index 6def6ae85306c..33132dcc7148d 100644
--- a/library/core/src/slice/iter.rs
+++ b/library/core/src/slice/iter.rs
@@ -3376,7 +3376,7 @@ where
 #[stable(feature = "slice_group_by", since = "1.77.0")]
 impl<'a, T: 'a, P> FusedIterator for ChunkBy<'a, T, P> where P: FnMut(&T, &T) -> bool {}
 
-#[stable(feature = "slice_group_by_clone", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "slice_group_by_clone", since = "1.89.0")]
 impl<'a, T: 'a, P: Clone> Clone for ChunkBy<'a, T, P> {
     fn clone(&self) -> Self {
         Self { slice: self.slice, predicate: self.predicate.clone() }
diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
index 5051b2288fd2b..3b9b9809c8584 100644
--- a/library/core/src/str/mod.rs
+++ b/library/core/src/str/mod.rs
@@ -2748,7 +2748,7 @@ impl str {
     /// assert!(!"Ferrös".eq_ignore_ascii_case("FERRÖS"));
     /// ```
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
-    #[rustc_const_stable(feature = "const_eq_ignore_ascii_case", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_eq_ignore_ascii_case", since = "1.89.0")]
     #[must_use]
     #[inline]
     pub const fn eq_ignore_ascii_case(&self, other: &str) -> bool {
diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs
index 3cc225004ea39..8d7edc732aff3 100644
--- a/library/std/src/ffi/os_str.rs
+++ b/library/std/src/ffi/os_str.rs
@@ -568,7 +568,7 @@ impl OsString {
     /// However, keep in mind that trimming the capacity may result in a reallocation and copy.
     ///
     /// [`into_boxed_os_str`]: Self::into_boxed_os_str
-    #[stable(feature = "os_string_pathbuf_leak", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "os_string_pathbuf_leak", since = "1.89.0")]
     #[inline]
     pub fn leak<'a>(self) -> &'a mut OsStr {
         OsStr::from_inner_mut(self.inner.leak())
diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs
index 865ea620a283f..f0756d43132f8 100644
--- a/library/std/src/fs.rs
+++ b/library/std/src/fs.rs
@@ -121,7 +121,7 @@ pub struct File {
 ///
 /// [`try_lock`]: File::try_lock
 /// [`try_lock_shared`]: File::try_lock_shared
-#[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "file_lock", since = "1.89.0")]
 pub enum TryLockError {
     /// The lock could not be acquired due to an I/O error on the file. The standard library will
     /// not return an [`ErrorKind::WouldBlock`] error inside [`TryLockError::Error`]
@@ -366,10 +366,10 @@ pub fn write<P: AsRef<Path>, C: AsRef<[u8]>>(path: P, contents: C) -> io::Result
     inner(path.as_ref(), contents.as_ref())
 }
 
-#[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "file_lock", since = "1.89.0")]
 impl error::Error for TryLockError {}
 
-#[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "file_lock", since = "1.89.0")]
 impl fmt::Debug for TryLockError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
@@ -379,7 +379,7 @@ impl fmt::Debug for TryLockError {
     }
 }
 
-#[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "file_lock", since = "1.89.0")]
 impl fmt::Display for TryLockError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
@@ -390,7 +390,7 @@ impl fmt::Display for TryLockError {
     }
 }
 
-#[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "file_lock", since = "1.89.0")]
 impl From<TryLockError> for io::Error {
     fn from(err: TryLockError) -> io::Error {
         match err {
@@ -721,7 +721,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "file_lock", since = "1.89.0")]
     pub fn lock(&self) -> io::Result<()> {
         self.inner.lock()
     }
@@ -773,7 +773,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "file_lock", since = "1.89.0")]
     pub fn lock_shared(&self) -> io::Result<()> {
         self.inner.lock_shared()
     }
@@ -837,7 +837,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "file_lock", since = "1.89.0")]
     pub fn try_lock(&self) -> Result<(), TryLockError> {
         self.inner.try_lock()
     }
@@ -901,7 +901,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "file_lock", since = "1.89.0")]
     pub fn try_lock_shared(&self) -> Result<(), TryLockError> {
         self.inner.try_lock_shared()
     }
@@ -938,7 +938,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "file_lock", since = "1.89.0")]
     pub fn unlock(&self) -> io::Result<()> {
         self.inner.unlock()
     }
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
index a9a24681e7c8f..17c32d7a571c8 100644
--- a/library/std/src/io/mod.rs
+++ b/library/std/src/io/mod.rs
@@ -3128,7 +3128,7 @@ impl<T> SizeHint for Take<T> {
     }
 }
 
-#[stable(feature = "seek_io_take", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "seek_io_take", since = "1.89.0")]
 impl<T: Seek> Seek for Take<T> {
     fn seek(&mut self, pos: SeekFrom) -> Result<u64> {
         let new_position = match pos {
diff --git a/library/std/src/os/android/net.rs b/library/std/src/os/android/net.rs
index 3a459ed8aeea1..95c3a74c4890a 100644
--- a/library/std/src/os/android/net.rs
+++ b/library/std/src/os/android/net.rs
@@ -6,5 +6,5 @@
 pub use crate::os::net::linux_ext::addr::SocketAddrExt;
 #[unstable(feature = "unix_socket_ancillary_data", issue = "76915")]
 pub use crate::os::net::linux_ext::socket::UnixSocketExt;
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 pub use crate::os::net::linux_ext::tcp::TcpStreamExt;
diff --git a/library/std/src/os/linux/net.rs b/library/std/src/os/linux/net.rs
index c14aba13bd153..ee56dafdbfda2 100644
--- a/library/std/src/os/linux/net.rs
+++ b/library/std/src/os/linux/net.rs
@@ -6,5 +6,5 @@
 pub use crate::os::net::linux_ext::addr::SocketAddrExt;
 #[unstable(feature = "unix_socket_ancillary_data", issue = "76915")]
 pub use crate::os::net::linux_ext::socket::UnixSocketExt;
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 pub use crate::os::net::linux_ext::tcp::TcpStreamExt;
diff --git a/library/std/src/os/net/linux_ext/mod.rs b/library/std/src/os/net/linux_ext/mod.rs
index bb9dfae2623e1..3c9afe35479df 100644
--- a/library/std/src/os/net/linux_ext/mod.rs
+++ b/library/std/src/os/net/linux_ext/mod.rs
@@ -8,7 +8,7 @@ pub(crate) mod addr;
 #[unstable(feature = "unix_socket_ancillary_data", issue = "76915")]
 pub(crate) mod socket;
 
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 pub(crate) mod tcp;
 
 #[cfg(test)]
diff --git a/library/std/src/os/net/linux_ext/tcp.rs b/library/std/src/os/net/linux_ext/tcp.rs
index 167cfa6253165..fde53ec4257bd 100644
--- a/library/std/src/os/net/linux_ext/tcp.rs
+++ b/library/std/src/os/net/linux_ext/tcp.rs
@@ -9,7 +9,7 @@ use crate::{io, net};
 /// Os-specific extensions for [`TcpStream`]
 ///
 /// [`TcpStream`]: net::TcpStream
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 pub trait TcpStreamExt: Sealed {
     /// Enable or disable `TCP_QUICKACK`.
     ///
@@ -33,7 +33,7 @@ pub trait TcpStreamExt: Sealed {
     ///         .expect("Couldn't connect to the server...");
     /// stream.set_quickack(true).expect("set_quickack call failed");
     /// ```
-    #[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "tcp_quickack", since = "1.89.0")]
     fn set_quickack(&self, quickack: bool) -> io::Result<()>;
 
     /// Gets the value of the `TCP_QUICKACK` option on this socket.
@@ -54,7 +54,7 @@ pub trait TcpStreamExt: Sealed {
     /// stream.set_quickack(true).expect("set_quickack call failed");
     /// assert_eq!(stream.quickack().unwrap_or(false), true);
     /// ```
-    #[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "tcp_quickack", since = "1.89.0")]
     fn quickack(&self) -> io::Result<bool>;
 
     /// A socket listener will be awakened solely when data arrives.
@@ -103,10 +103,10 @@ pub trait TcpStreamExt: Sealed {
     fn deferaccept(&self) -> io::Result<u32>;
 }
 
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 impl Sealed for net::TcpStream {}
 
-#[stable(feature = "tcp_quickack", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "tcp_quickack", since = "1.89.0")]
 impl TcpStreamExt for net::TcpStream {
     fn set_quickack(&self, quickack: bool) -> io::Result<()> {
         self.as_inner().as_inner().set_quickack(quickack)
diff --git a/library/std/src/path.rs b/library/std/src/path.rs
index 07f212b113564..b734d2b324c08 100644
--- a/library/std/src/path.rs
+++ b/library/std/src/path.rs
@@ -1252,7 +1252,7 @@ impl PathBuf {
     /// However, keep in mind that trimming the capacity may result in a reallocation and copy.
     ///
     /// [`into_boxed_path`]: Self::into_boxed_path
-    #[stable(feature = "os_string_pathbuf_leak", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "os_string_pathbuf_leak", since = "1.89.0")]
     #[inline]
     pub fn leak<'a>(self) -> &'a mut Path {
         Path::from_inner_mut(self.inner.leak())
diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs
index 82e5fe05db5e3..eba849d16dacd 100644
--- a/library/std/src/sync/lazy_lock.rs
+++ b/library/std/src/sync/lazy_lock.rs
@@ -313,7 +313,7 @@ impl<T, F: FnOnce() -> T> Deref for LazyLock<T, F> {
     }
 }
 
-#[stable(feature = "lazy_deref_mut", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "lazy_deref_mut", since = "1.89.0")]
 impl<T, F: FnOnce() -> T> DerefMut for LazyLock<T, F> {
     #[inline]
     fn deref_mut(&mut self) -> &mut T {
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
diff --git a/tests/ui/deprecation/deprecated_no_stack_check.rs b/tests/ui/deprecation/deprecated_no_stack_check.rs
index ef482098634a6..64635c5f5e88d 100644
--- a/tests/ui/deprecation/deprecated_no_stack_check.rs
+++ b/tests/ui/deprecation/deprecated_no_stack_check.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![deny(warnings)]
 #![feature(no_stack_check)]
diff --git a/tests/ui/feature-gates/feature-gate-coverage-attribute.rs b/tests/ui/feature-gates/feature-gate-coverage-attribute.rs
index 2cf4b76180e15..67ac866803c06 100644
--- a/tests/ui/feature-gates/feature-gate-coverage-attribute.rs
+++ b/tests/ui/feature-gates/feature-gate-coverage-attribute.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![crate_type = "lib"]
 #![feature(no_coverage)] //~ ERROR feature has been removed [E0557]
diff --git a/tests/ui/feature-gates/gated-bad-feature.rs b/tests/ui/feature-gates/gated-bad-feature.rs
index 3114f661dc5bf..aa094acba374c 100644
--- a/tests/ui/feature-gates/gated-bad-feature.rs
+++ b/tests/ui/feature-gates/gated-bad-feature.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)]
 //~^ ERROR malformed `feature`
 //~| ERROR malformed `feature`
diff --git a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs
index ec6adb471ba50..a217a7fda51b4 100644
--- a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs
+++ b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![feature(external_doc)] //~ ERROR feature has been removed
 #![doc(include("README.md"))] //~ ERROR unknown `doc` attribute `include`
diff --git a/tests/ui/macros/macro-reexport-removed.rs b/tests/ui/macros/macro-reexport-removed.rs
index c1267f14cd868..33e7cab4068e2 100644
--- a/tests/ui/macros/macro-reexport-removed.rs
+++ b/tests/ui/macros/macro-reexport-removed.rs
@@ -1,5 +1,5 @@
 //@ aux-build:two_macros.rs
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![feature(macro_reexport)] //~ ERROR feature has been removed
 
diff --git a/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs b/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs
index 2257130280dcc..c0f3c190b65bc 100644
--- a/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs
+++ b/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![feature(doc_keyword)] //~ ERROR
 #![feature(doc_primitive)] //~ ERROR
diff --git a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs
index b563b78f78a16..9a41b9c8173af 100644
--- a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs
+++ b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs
@@ -6,7 +6,7 @@
 // Regression test for issue #125877.
 
 //@ compile-flags: -Znext-solver
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![feature(const_trait_impl, effects)]
 //~^ ERROR feature has been removed
diff --git a/tests/ui/unsized-locals/yote.rs b/tests/ui/unsized-locals/yote.rs
index aa5b68a307820..f09db9dd006c9 100644
--- a/tests/ui/unsized-locals/yote.rs
+++ b/tests/ui/unsized-locals/yote.rs
@@ -1,4 +1,4 @@
-//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
+//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION"
 
 #![feature(unsized_locals)] //~ERROR feature has been removed
 #![crate_type = "lib"]
diff --git a/tests/ui/unsized-locals/yote.stderr b/tests/ui/unsized-locals/yote.stderr
index 655aad5360cc8..4573beb8ab559 100644
--- a/tests/ui/unsized-locals/yote.stderr
+++ b/tests/ui/unsized-locals/yote.stderr
@@ -4,7 +4,7 @@ error[E0557]: feature has been removed
 LL | #![feature(unsized_locals)]
    |            ^^^^^^^^^^^^^^ feature has been removed
    |
-   = note: removed in CURRENT_RUSTC_VERSION (you are using $RUSTC_VERSION)
+   = note: removed in 1.89.0 (you are using $RUSTC_VERSION)
    = note: removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942
 
 error: aborting due to 1 previous error