diff --git a/Cargo.lock b/Cargo.lock
index 250e39ba3..54b02de5f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4139,7 +4139,7 @@ dependencies = [
 [[package]]
 name = "polars"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "getrandom",
  "polars-arrow",
@@ -4158,7 +4158,7 @@ dependencies = [
 [[package]]
 name = "polars-arrow"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "atoi",
@@ -4206,7 +4206,7 @@ dependencies = [
 [[package]]
 name = "polars-compute"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "bytemuck",
  "either",
@@ -4221,7 +4221,7 @@ dependencies = [
 [[package]]
 name = "polars-core"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "bitflags 2.6.0",
@@ -4254,7 +4254,7 @@ dependencies = [
 [[package]]
 name = "polars-error"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "avro-schema",
  "object_store",
@@ -4267,7 +4267,7 @@ dependencies = [
 [[package]]
 name = "polars-expr"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "bitflags 2.6.0",
@@ -4286,7 +4286,7 @@ dependencies = [
 [[package]]
 name = "polars-io"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "async-trait",
@@ -4331,7 +4331,7 @@ dependencies = [
 [[package]]
 name = "polars-json"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "chrono",
@@ -4352,7 +4352,7 @@ dependencies = [
 [[package]]
 name = "polars-lazy"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "bitflags 2.6.0",
@@ -4378,7 +4378,7 @@ dependencies = [
 [[package]]
 name = "polars-mem-engine"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "futures",
  "memmap2",
@@ -4399,7 +4399,7 @@ dependencies = [
 [[package]]
 name = "polars-ops"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "argminmax",
@@ -4432,7 +4432,7 @@ dependencies = [
 [[package]]
 name = "polars-parquet"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "async-stream",
@@ -4442,6 +4442,7 @@ dependencies = [
  "ethnum",
  "flate2",
  "futures",
+ "hashbrown",
  "lz4",
  "num-traits",
  "parquet-format-safe",
@@ -4459,7 +4460,7 @@ dependencies = [
 [[package]]
 name = "polars-pipe"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-queue",
@@ -4485,7 +4486,7 @@ dependencies = [
 [[package]]
 name = "polars-plan"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "bitflags 2.6.0",
@@ -4517,7 +4518,7 @@ dependencies = [
 [[package]]
 name = "polars-row"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "bytemuck",
  "polars-arrow",
@@ -4528,7 +4529,7 @@ dependencies = [
 [[package]]
 name = "polars-schema"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "indexmap",
  "polars-error",
@@ -4540,7 +4541,7 @@ dependencies = [
 [[package]]
 name = "polars-sql"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "hex",
  "once_cell",
@@ -4561,7 +4562,7 @@ dependencies = [
 [[package]]
 name = "polars-time"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "atoi",
  "bytemuck",
@@ -4581,7 +4582,7 @@ dependencies = [
 [[package]]
 name = "polars-utils"
 version = "0.42.0"
-source = "git+https://github.com/pola-rs/polars?rev=106e239#106e23936bd8496210c08df76f6bf7b679bac86c"
+source = "git+https://github.com/pola-rs/polars?rev=6076421#6076421698aced51aaca31ae6f1cbcdcd028dc73"
 dependencies = [
  "ahash",
  "bytemuck",
@@ -5630,9 +5631,9 @@ dependencies = [
 
 [[package]]
 name = "scc"
-version = "2.1.16"
+version = "2.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aeb7ac86243095b70a7920639507b71d51a63390d1ba26c4f60a552fbb914a37"
+checksum = "0c947adb109a8afce5fc9c7bf951f87f146e9147b3a6a58413105628fb1d1e66"
 dependencies = [
  "sdd",
 ]
@@ -5663,9 +5664,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "sdd"
-version = "3.0.2"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0495e4577c672de8254beb68d01a9b62d0e8a13c099edecdbedccce3223cd29f"
+checksum = "60a7b59a5d9b0099720b417b6325d91a52cbf5b3dcb5041d864be53eefa58abc"
 
 [[package]]
 name = "security-framework"
diff --git a/Cargo.toml b/Cargo.toml
index a9d4ba909..931d3400d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -267,6 +267,7 @@ serial_test = { version = "3.1", features = ["file_locks"] }
 [patch.crates-io]
 # use our tweaked fork of csv crate
 # the csv crate underpins a lot of qsv's functionality, so every perf tweak helps
+# the main feature of this csv fork is accelerated UTF-8 validation using the simdutf8 crate
 csv       = { git = "https://github.com/jqnatividad/rust-csv", branch = "qsv-optimized" }
 csv-core  = { git = "https://github.com/jqnatividad/rust-csv", branch = "qsv-optimized" }
 csv-index = { git = "https://github.com/jqnatividad/rust-csv", branch = "qsv-optimized" }
@@ -296,9 +297,9 @@ local-encoding = { git = "https://github.com/slonopotamus/local-encoding-rs", br
 # BUILD NOTE: Be sure to set QSV_POLARS_REV below to the latest commit short hash or tag 
 # of polars/py-polars before building qsv. This allows us to show the polars rev/tag in --version.
 # if we are using a release version of Rust Polars, leave QSV_POLARS_REV empty
-# QSV_POLARS_REV=106e239
+# QSV_POLARS_REV=6076421
 # polars = { git = "https://github.com/pola-rs/polars", tag = "py-1.6.0" }
-polars = { git = "https://github.com/pola-rs/polars", rev = "106e239" }
+polars = { git = "https://github.com/pola-rs/polars", rev = "6076421" }
 
 [features]
 default = ["mimalloc"]
diff --git a/src/cmd/stats.rs b/src/cmd/stats.rs
index 00446e7f1..229019a27 100644
--- a/src/cmd/stats.rs
+++ b/src/cmd/stats.rs
@@ -322,7 +322,7 @@ struct StatsArgs {
 }
 
 impl StatsArgs {
-    /// this is for deserializing the stats.csv.jsonl file
+    // this is for deserializing the stats.csv.jsonl file
     fn from_owned_value(value: &OwnedValue) -> Result<Self, Box<dyn std::error::Error>> {
         Ok(Self {
             arg_input:            value["arg_input"].as_str().unwrap_or_default().to_string(),