diff --git a/src/bootstrap/src/bin/main.rs b/src/bootstrap/src/bin/main.rs
index 070d951dba99..252523fc5de8 100644
--- a/src/bootstrap/src/bin/main.rs
+++ b/src/bootstrap/src/bin/main.rs
@@ -14,7 +14,8 @@ use std::{
 };
 
 use bootstrap::{
-    find_recent_config_change_ids, t, Build, Config, Subcommand, CONFIG_CHANGE_HISTORY,
+    find_recent_config_change_ids, into_human_readable_string, t, Build, Config, Subcommand,
+    CONFIG_CHANGE_HISTORY,
 };
 
 fn main() {
@@ -154,14 +155,7 @@ fn check_version(config: &Config) -> Option<String> {
         }
 
         msg.push_str("There have been changes to x.py since you last updated:\n");
-
-        for change in changes {
-            msg.push_str(&format!("  [{}] {}\n", change.severity, change.summary));
-            msg.push_str(&format!(
-                "    - PR Link https://github.com/rust-lang/rust/pull/{}\n",
-                change.change_id
-            ));
-        }
+        msg.push_str(&into_human_readable_string(&changes));
 
         msg.push_str("NOTE: to silence this warning, ");
         msg.push_str(&format!(
diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs
index 875a4efae02f..07a5fa9e447f 100644
--- a/src/bootstrap/src/core/config/config.rs
+++ b/src/bootstrap/src/core/config/config.rs
@@ -600,7 +600,8 @@ impl Target {
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub(crate) struct TomlConfig {
     changelog_seen: Option<usize>, // FIXME: Deprecated field. Remove it at 2024.
-    change_id: Option<usize>,
+    #[serde(flatten)]
+    change_id: ChangeIdWrapper,
     build: Option<Build>,
     install: Option<Install>,
     llvm: Option<Llvm>,
@@ -610,6 +611,16 @@ pub(crate) struct TomlConfig {
     profile: Option<String>,
 }
 
+/// Since we use `#[serde(deny_unknown_fields)]` on `TomlConfig`, we need a wrapper type
+/// for the "change-id" field to parse it even if other fields are invalid. This ensures
+/// that if deserialization fails due to other fields, we can still provide the changelogs
+/// to allow developers to potentially find the reason for the failure in the logs..
+#[derive(Deserialize, Default)]
+pub(crate) struct ChangeIdWrapper {
+    #[serde(alias = "change-id")]
+    inner: Option<usize>,
+}
+
 /// Describes how to handle conflicts in merging two [`TomlConfig`]
 #[derive(Copy, Clone, Debug)]
 enum ReplaceOpt {
@@ -651,7 +662,7 @@ impl Merge for TomlConfig {
             }
         }
         self.changelog_seen.merge(changelog_seen, replace);
-        self.change_id.merge(change_id, replace);
+        self.change_id.inner.merge(change_id.inner, replace);
         do_merge(&mut self.build, build, replace);
         do_merge(&mut self.install, install, replace);
         do_merge(&mut self.llvm, llvm, replace);
@@ -1200,6 +1211,21 @@ impl Config {
             toml::from_str(&contents)
                 .and_then(|table: toml::Value| TomlConfig::deserialize(table))
                 .unwrap_or_else(|err| {
+                    if let Ok(Some(changes)) = toml::from_str(&contents)
+                        .and_then(|table: toml::Value| ChangeIdWrapper::deserialize(table))
+                        .and_then(|change_id| {
+                            Ok(change_id.inner.map(|id| crate::find_recent_config_change_ids(id)))
+                        })
+                    {
+                        if !changes.is_empty() {
+                            let message = format!(
+                                "WARNING: There have been changes to x.py since you last updated:\n{}",
+                                crate::into_human_readable_string(&changes)
+                            );
+                            println!("{}", message);
+                        }
+                    }
+
                     eprintln!("failed to parse TOML configuration '{}': {err}", file.display());
                     exit!(2);
                 })
@@ -1366,7 +1392,7 @@ impl Config {
         toml.merge(override_toml, ReplaceOpt::Override);
 
         config.changelog_seen = toml.changelog_seen;
-        config.change_id = toml.change_id;
+        config.change_id = toml.change_id.inner;
 
         let Build {
             build,
diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
index 965d788bb837..754f282d375d 100644
--- a/src/bootstrap/src/lib.rs
+++ b/src/bootstrap/src/lib.rs
@@ -51,7 +51,9 @@ mod utils;
 pub use core::builder::PathSet;
 pub use core::config::flags::Subcommand;
 pub use core::config::Config;
-pub use utils::change_tracker::{find_recent_config_change_ids, CONFIG_CHANGE_HISTORY};
+pub use utils::change_tracker::{
+    find_recent_config_change_ids, into_human_readable_string, CONFIG_CHANGE_HISTORY,
+};
 
 const LLVM_TOOLS: &[&str] = &[
     "llvm-cov",      // used to generate coverage report
diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs
index 9a50ad4437e7..8f237144871c 100644
--- a/src/bootstrap/src/utils/change_tracker.rs
+++ b/src/bootstrap/src/utils/change_tracker.rs
@@ -60,6 +60,20 @@ pub fn find_recent_config_change_ids(current_id: usize) -> Vec<ChangeInfo> {
         .collect()
 }
 
+pub fn into_human_readable_string(changes: &[ChangeInfo]) -> String {
+    let mut message = String::new();
+
+    for change in changes {
+        message.push_str(&format!("  [{}] {}\n", change.severity, change.summary));
+        message.push_str(&format!(
+            "    - PR Link https://github.com/rust-lang/rust/pull/{}\n",
+            change.change_id
+        ));
+    }
+
+    message
+}
+
 /// Keeps track of major changes made to the bootstrap configuration.
 ///
 /// If you make any major changes (such as adding new values or changing default values),