diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ee37c6..d234a8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v1.63.1]
+- Updated allocator
+
 ## [v1.63.0]
 - Fixed bug when retrieving some finding values and injecting them as TOKENS in the rule templates
 - Improved Datadog rule
diff --git a/Cargo.toml b/Cargo.toml
index 71d9065..4eab59a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ publish = false
 
 [package]
 name = "kingfisher"
-version = "1.63.0"
+version = "1.63.1"
 description = "MongoDB's blazingly fast and accurate secret scanning and validation tool"
 edition.workspace = true
 rust-version.workspace = true
diff --git a/src/main.rs b/src/main.rs
index 99f0718..b52fcd3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,27 +5,27 @@
 //   * Fallback - system allocator     (`system-alloc` feature)
 // ────────────────────────────────────────────────────────────
 
-// // --- jemalloc (opt-in) ---
-// #[cfg(feature = "use-jemalloc")]
-// #[global_allocator]
-// static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
+// --- jemalloc (opt-in) ---
+#[cfg(feature = "use-jemalloc")]
+#[global_allocator]
+static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 
-// // --- mimalloc (default) ---
-// #[cfg(all(not(feature = "use-jemalloc"), not(feature = "system-alloc")))]
-// #[global_allocator]
-// static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
-
-// // --- system allocator (explicit opt-out) ---
-// #[cfg(feature = "system-alloc")]
-// use std::alloc::System;
-// #[cfg(feature = "system-alloc")]
-// #[global_allocator]
-// static GLOBAL: System = System;
+// --- mimalloc (default) ---
+#[cfg(all(not(feature = "use-jemalloc"), not(feature = "system-alloc")))]
+#[global_allocator]
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
+// --- system allocator (explicit opt-out) ---
+#[cfg(feature = "system-alloc")]
 use std::alloc::System;
+#[cfg(feature = "system-alloc")]
 #[global_allocator]
 static GLOBAL: System = System;
 
+// use std::alloc::System;
+// #[global_allocator]
+// static GLOBAL: System = System;
+
 use std::{
     io::{IsTerminal, Read},
     sync::{Arc, Mutex},
diff --git a/src/matcher.rs b/src/matcher.rs
index 6dd5048..79007fb 100644
--- a/src/matcher.rs
+++ b/src/matcher.rs
@@ -374,9 +374,9 @@ impl<'a> Matcher<'a> {
         } else {
             None
         };
-        /////////////////////////////
+        //
         // Process matches
-        /////////////////////////////
+        //
         let mut matches = Vec::new();
         let owned_ts_results = tree_sitter_result.map(|ts_results| {
             ts_results
@@ -567,7 +567,6 @@ fn record_match(
 ) -> bool {
     insert_span(map.entry(rule_id).or_default(), span)
 }
-// in src/matcher.rs
 
 #[allow(clippy::too_many_arguments)]
 fn filter_match<'b>(
@@ -1025,7 +1024,7 @@ pub struct DecodedData {
 }
 #[inline]
 fn is_base64_byte(b: u8) -> bool {
-    // Include URL-safe characters '-' and '_'
+    // Accepts both standard base64 ('+', '/') and URL-safe base64 ('-', '_') characters.
     matches!(b, b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'+' | b'/' | b'-' | b'_')
 }
 
diff --git a/src/validation/utils.rs b/src/validation/utils.rs
index 225e186..0080fd5 100644
--- a/src/validation/utils.rs
+++ b/src/validation/utils.rs
@@ -27,22 +27,6 @@ pub fn process_captures(captures: &SerializableCaptures) -> Vec<(String, String,
         .collect()
 }
 
-// /// Return (NAME, value, start, end) for every capture we care about.
-// ///
-// /// * If a capture has a name, use that (upper-cased)
-// /// * If it’s unnamed, fall back to `"TOKEN"`
-// pub fn process_captures(captures: &SerializableCaptures) -> Vec<(String, String, usize, usize)> {
-//     captures
-//         .captures
-//         .iter()
-//         .map(|cap| {
-//             let name =
-//                 cap.name.as_ref().map(|n| n.to_uppercase()).unwrap_or_else(|| "TOKEN".to_string());
-//             (name, cap.value.to_string(), cap.start, cap.end)
-//         })
-//         .collect()
-// }
-
 pub fn find_closest_variable(
     captures: &[(String, String, usize, usize)],
     target_value: &String,
@@ -195,7 +179,6 @@ mod tests {
         // --- END FIX ---
     }
 
-    #[test]
     #[test]
     fn includes_whole_match_and_unnamed_groups() {
         let captures = SerializableCaptures {