diff --git a/Cargo.lock b/Cargo.lock
index c87cc9595266..1dbb76e9ba0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -510,7 +510,7 @@ dependencies = [
  "bitflags 1.3.2",
  "clap_derive 3.2.25",
  "clap_lex 0.2.4",
- "indexmap",
+ "indexmap 1.9.3",
  "once_cell",
  "strsim",
  "termcolor",
@@ -767,7 +767,7 @@ dependencies = [
  "cranelift-entity",
  "fxhash",
  "hashbrown 0.12.3",
- "indexmap",
+ "indexmap 1.9.3",
  "log",
  "smallvec",
 ]
@@ -1226,6 +1226,12 @@ dependencies = [
  "syn 2.0.37",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -1482,7 +1488,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
 dependencies = [
  "fallible-iterator",
- "indexmap",
+ "indexmap 1.9.3",
  "stable_deref_trait",
 ]
 
@@ -1504,7 +1510,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -1544,6 +1550,12 @@ dependencies = [
  "ahash 0.8.3",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dfda62a12f55daeae5015f81b0baea145391cb4520f86c248fc615d72640d12"
+
 [[package]]
 name = "heapless"
 version = "0.7.16"
@@ -1737,6 +1749,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8adf3ddd720272c6ea8bf59463c04e0f93d0bbf7c5439b691bca2987e0270897"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.1",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -2547,7 +2569,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dd7d28ee937e54fe3080c91faa1c3a46c06de6252988a7f4592ba2310ef22a4"
 dependencies = [
  "fixedbitset",
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
@@ -2717,7 +2739,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785"
 dependencies = [
- "toml",
+ "toml 0.5.9",
 ]
 
 [[package]]
@@ -2727,7 +2749,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
 dependencies = [
  "once_cell",
- "toml_edit",
+ "toml_edit 0.19.8",
 ]
 
 [[package]]
@@ -3034,7 +3056,7 @@ dependencies = [
  "bitvec",
  "bytecheck",
  "hashbrown 0.12.3",
- "indexmap",
+ "indexmap 1.9.3",
  "ptr_meta",
  "rend",
  "rkyv_derive",
@@ -3258,6 +3280,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96426c9936fd7a0124915f9185ea1d20aa9445cc9821142f0a73bc9207a2e186"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -3276,7 +3307,7 @@ version = "0.8.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "ryu",
  "serde",
  "yaml-rust",
@@ -3626,7 +3657,7 @@ dependencies = [
  "criterion",
  "dashmap",
  "either",
- "indexmap",
+ "indexmap 1.9.3",
  "jsonc-parser",
  "lru",
  "napi",
@@ -3695,7 +3726,7 @@ dependencies = [
  "crc",
  "dashmap",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
  "is-macro",
  "ntest",
  "once_cell",
@@ -3826,7 +3857,7 @@ dependencies = [
 name = "swc_config"
 version = "0.1.7"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "serde",
  "serde_json",
  "swc_config_macro",
@@ -4209,7 +4240,7 @@ dependencies = [
  "arrayvec",
  "backtrace",
  "criterion",
- "indexmap",
+ "indexmap 1.9.3",
  "num-bigint",
  "num_cpus",
  "once_cell",
@@ -4274,7 +4305,7 @@ dependencies = [
  "anyhow",
  "criterion",
  "dashmap",
- "indexmap",
+ "indexmap 1.9.3",
  "once_cell",
  "preset_env_base",
  "pretty_assertions",
@@ -4365,7 +4396,7 @@ dependencies = [
  "better_scoped_tls",
  "bitflags 2.3.2",
  "criterion",
- "indexmap",
+ "indexmap 1.9.3",
  "once_cell",
  "phf",
  "rayon",
@@ -4402,7 +4433,7 @@ name = "swc_ecma_transforms_compat"
 version = "0.160.1"
 dependencies = [
  "arrayvec",
- "indexmap",
+ "indexmap 1.9.3",
  "is-macro",
  "num-bigint",
  "rayon",
@@ -4443,7 +4474,7 @@ dependencies = [
  "Inflector",
  "anyhow",
  "bitflags 2.3.2",
- "indexmap",
+ "indexmap 1.9.3",
  "is-macro",
  "path-clean",
  "pathdiff",
@@ -4470,7 +4501,7 @@ name = "swc_ecma_transforms_optimization"
 version = "0.194.1"
 dependencies = [
  "dashmap",
- "indexmap",
+ "indexmap 1.9.3",
  "once_cell",
  "petgraph",
  "rayon",
@@ -4525,7 +4556,7 @@ version = "0.180.1"
 dependencies = [
  "base64 0.13.1",
  "dashmap",
- "indexmap",
+ "indexmap 1.9.3",
  "once_cell",
  "rayon",
  "serde",
@@ -4597,7 +4628,7 @@ dependencies = [
 name = "swc_ecma_usage_analyzer"
 version = "0.20.0"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "rustc-hash",
  "swc_atoms",
  "swc_common",
@@ -4612,7 +4643,7 @@ dependencies = [
 name = "swc_ecma_utils"
 version = "0.124.0"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "num_cpus",
  "once_cell",
  "rayon",
@@ -4718,7 +4749,7 @@ dependencies = [
 name = "swc_fast_graph"
 version = "0.21.0"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "petgraph",
  "rustc-hash",
  "swc_common",
@@ -5450,11 +5481,26 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit 0.20.2",
+]
+
 [[package]]
 name = "toml_datetime"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622"
+checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "toml_edit"
@@ -5462,9 +5508,22 @@ version = "0.19.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "239410c8609e8125456927e6707163a3b1fdb40561e4b803bc041f466ccfdc13"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
+ "toml_datetime",
+ "winnow 0.4.1",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
+dependencies = [
+ "indexmap 2.0.2",
+ "serde",
+ "serde_spanned",
  "toml_datetime",
- "winnow",
+ "winnow 0.5.16",
 ]
 
 [[package]]
@@ -5725,7 +5784,7 @@ dependencies = [
  "fs_extra",
  "futures",
  "getrandom",
- "indexmap",
+ "indexmap 1.9.3",
  "lazy_static",
  "libc",
  "pin-project-lite",
@@ -5983,7 +6042,7 @@ dependencies = [
  "bytes",
  "cfg-if",
  "derivative",
- "indexmap",
+ "indexmap 1.9.3",
  "js-sys",
  "more-asserts",
  "rustc-demangle",
@@ -6079,7 +6138,7 @@ dependencies = [
  "bytecheck",
  "enum-iterator 0.7.0",
  "enumset",
- "indexmap",
+ "indexmap 1.9.3",
  "more-asserts",
  "rkyv",
  "serde",
@@ -6101,7 +6160,7 @@ dependencies = [
  "derivative",
  "enum-iterator 0.7.0",
  "fnv",
- "indexmap",
+ "indexmap 1.9.3",
  "lazy_static",
  "libc",
  "mach",
@@ -6205,7 +6264,7 @@ version = "0.95.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2ea896273ea99b15132414be1da01ab0d8836415083298ecaffbe308eaac87a"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
  "url",
 ]
 
@@ -6249,7 +6308,7 @@ dependencies = [
  "base64 0.21.0",
  "byteorder",
  "bytes",
- "indexmap",
+ "indexmap 1.9.3",
  "leb128",
  "lexical-sort",
  "once_cell",
@@ -6520,6 +6579,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "winnow"
+version = "0.5.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "037711d82167854aff2018dfd193aa0fef5370f456732f0d5a0c59b0f1b4b907"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winreg"
 version = "0.10.1"
@@ -6544,6 +6612,9 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap 4.4.6",
+ "serde",
+ "serde_derive",
+ "toml 0.8.2",
  "walkdir",
 ]
 
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 93b74dd5f84e..3669f26b7785 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -13,4 +13,7 @@ version     = "0.1.0"
 [dependencies]
 anyhow  = "1.0.75"
 clap    = { version = "4.4.6", features = ["derive"] }
+serde = "1.0.188"
+serde_derive = "1.0.188"
+toml = "0.8.2"
 walkdir = "2.4.0"
diff --git a/xtask/src/git/mod.rs b/xtask/src/git/mod.rs
new file mode 100644
index 000000000000..66e4e3d6a828
--- /dev/null
+++ b/xtask/src/git/mod.rs
@@ -0,0 +1,25 @@
+use anyhow::Result;
+use clap::{Args, Subcommand};
+
+use self::reduce::ReduceCmd;
+
+mod reduce;
+
+#[derive(Debug, Args)]
+pub(super) struct GitCmd {
+    #[clap(subcommand)]
+    cmd: Inner,
+}
+
+#[derive(Debug, Subcommand)]
+enum Inner {
+    Reduce(ReduceCmd),
+}
+
+impl GitCmd {
+    pub fn run(self) -> Result<()> {
+        match self.cmd {
+            Inner::Reduce(cmd) => cmd.run(),
+        }
+    }
+}
diff --git a/xtask/src/git/reduce/core_ver.rs b/xtask/src/git/reduce/core_ver.rs
new file mode 100644
index 000000000000..33f0df86941f
--- /dev/null
+++ b/xtask/src/git/reduce/core_ver.rs
@@ -0,0 +1,26 @@
+use anyhow::Result;
+use clap::Args;
+
+use crate::util::get_commit_for_swc_core_version;
+
+/// Reduce the difference of the versions of `swc_core`s to the list of commits
+/// and pull requests.
+#[derive(Debug, Args)]
+pub(super) struct CoreVerCmd {
+    from: String,
+
+    to: String,
+}
+
+impl CoreVerCmd {
+    pub fn run(self) -> Result<()> {
+        let from_commit = get_commit_for_swc_core_version(&self.from)?;
+        let to_commit = get_commit_for_swc_core_version(&self.to)?;
+
+        eprintln!(
+            "GitHub diff: https://github.com/swc-project/swc/compare/{from_commit}...{to_commit}"
+        );
+
+        Ok(())
+    }
+}
diff --git a/xtask/src/git/reduce/mod.rs b/xtask/src/git/reduce/mod.rs
new file mode 100644
index 000000000000..586ed2ce68fa
--- /dev/null
+++ b/xtask/src/git/reduce/mod.rs
@@ -0,0 +1,25 @@
+use anyhow::Result;
+use clap::{Args, Subcommand};
+
+use self::core_ver::CoreVerCmd;
+
+mod core_ver;
+
+#[derive(Debug, Args)]
+pub(super) struct ReduceCmd {
+    #[clap(subcommand)]
+    cmd: Inner,
+}
+
+#[derive(Debug, Subcommand)]
+enum Inner {
+    CoreVer(CoreVerCmd),
+}
+
+impl ReduceCmd {
+    pub fn run(self) -> Result<()> {
+        match self.cmd {
+            Inner::CoreVer(cmd) => cmd.run(),
+        }
+    }
+}
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 4ef00afafe1d..ccbab9b945df 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -1,12 +1,12 @@
 use anyhow::Result;
-use bench::BenchCmd;
 use clap::{Parser, Subcommand};
 
-use crate::{clean::CleanCmd, es::EsCmd};
+use crate::{bench::BenchCmd, clean::CleanCmd, es::EsCmd, git::GitCmd};
 
 mod bench;
 mod clean;
 mod es;
+mod git;
 mod util;
 
 #[derive(Debug, Parser)]
@@ -19,6 +19,7 @@ struct CliArgs {
 enum Cmd {
     Es(EsCmd),
     Bench(BenchCmd),
+    Git(GitCmd),
     Clean(CleanCmd),
 }
 
@@ -28,6 +29,7 @@ fn main() -> Result<()> {
     match args.cmd {
         Cmd::Es(c) => c.run(),
         Cmd::Bench(c) => c.run(),
+        Cmd::Git(c) => c.run(),
         Cmd::Clean(c) => c.run(),
     }
 }
diff --git a/xtask/src/util/mod.rs b/xtask/src/util/mod.rs
index 1f3ff1b5789d..562edfa34140 100644
--- a/xtask/src/util/mod.rs
+++ b/xtask/src/util/mod.rs
@@ -4,7 +4,15 @@ use std::{
     process::{Command, Stdio},
 };
 
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
+use serde_derive::Deserialize;
+
+pub fn wrap<F, Ret>(op: F) -> Result<Ret>
+where
+    F: FnOnce() -> Result<Ret>,
+{
+    op()
+}
 
 pub fn repository_root() -> Result<PathBuf> {
     let dir = env::var("CARGO_MANIFEST_DIR").context("failed to get manifest dir")?;
@@ -23,3 +31,99 @@ pub fn run_cmd(cmd: &mut Command) -> Result<()> {
 
     Ok(())
 }
+
+pub fn get_commit_for_swc_core_version(version: &str) -> Result<String> {
+    wrap(|| {
+        eprintln!("Getting commit for swc_core@v{}", version);
+
+        // We need to get the list of commits and pull requests which changed the
+        // version of swc_core.
+        let git_rev_list = Command::new("git")
+            .current_dir(repository_root()?)
+            .arg("rev-list")
+            .arg("--branches")
+            .arg("main")
+            .arg("--")
+            .arg("Cargo.lock")
+            .stderr(Stdio::inherit())
+            .output()
+            .context("failed to spwan git rev-list")?;
+
+        let git_rev_list =
+            String::from_utf8(git_rev_list.stdout).context("git rev-list output is not utf8")?;
+
+        let git_grep_output = Command::new("git")
+            .current_dir(repository_root()?)
+            .arg("grep")
+            .arg(format!("version = \"{}\"", version))
+            .args(git_rev_list.lines())
+            .arg("--")
+            .arg("Cargo.lock")
+            .stderr(Stdio::piped())
+            // .stdin(Stdio::from(git_rev_list.stdout.unwrap()))
+            .output()
+            .context("failed to execute git grep")?;
+
+        // git grep returns all commits with the version string with the format, so we
+        // need to check if it's the version of swc_core
+        let output =
+            String::from_utf8(git_grep_output.stdout).context("git grep output is not utf8")?;
+
+        let line_count = output.lines().count();
+
+        for line in output.lines() {
+            let commit = line.split(':').next().unwrap().to_string();
+
+            if line_count == 1 || get_version_of_swc_core_of_commit(&commit)? == version {
+                eprintln!("\tThe commit for swc_core@v{} is {}", version, commit);
+
+                return Ok(commit);
+            }
+        }
+
+        bail!(
+            "check if the version is the one of swc_core, where the output of git grep is\n{}",
+            output
+        )
+    })
+    .with_context(|| format!("failed to get the commit for swc_core@v{}", version))
+}
+
+/// Read the version of swc_core from `Cargo.lock`
+pub fn get_version_of_swc_core_of_commit(commit: &str) -> Result<String> {
+    wrap(|| {
+        let output = Command::new("git")
+            .current_dir(repository_root()?)
+            .arg("show")
+            .arg(format!("{}:Cargo.lock", commit))
+            .stderr(Stdio::inherit())
+            .output()
+            .context("failed to spwan git show")?;
+
+        let output_toml =
+            String::from_utf8(output.stdout).context("git show output is not utf8")?;
+
+        let content =
+            toml::from_str::<CargoLockfile>(&output_toml).context("failed to parse Cargo.lock")?;
+
+        for pkg in content.package {
+            if pkg.name == "swc_core" {
+                return Ok(pkg.version);
+            }
+        }
+
+        bail!("swc_core is not found in Cargo.lock")
+    })
+    .with_context(|| format!("failed to get the version of swc_core of {}", commit))
+}
+
+#[derive(Debug, Deserialize)]
+struct CargoLockfile {
+    package: Vec<LockfilePkg>,
+}
+
+#[derive(Debug, Deserialize)]
+struct LockfilePkg {
+    name: String,
+    version: String,
+}