diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1a96784..bb4c5ad1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,12 @@ jobs:
         run: cargo clippy --all-targets --manifest-path=c-api/Cargo.toml --target-dir=target
       - name: Run clippy on JS API
         run: cargo clippy --all-targets --manifest-path=js-api/Cargo.toml --target-dir=target
-
+      - name: Check semver
+        uses: obi1kenobi/cargo-semver-checks-action@v2
+        with:
+          package: lol_html
+          feature-group: default-features
+          verbose: true
   test:
     name: Test
     runs-on: ubuntu-latest
diff --git a/Cargo.toml b/Cargo.toml
index a4dc5cdc..3c1b3c25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lol_html"
-version = "2.1.0"
+version = "2.2.0"
 authors = ["Ivan Nikulin <inikulin@cloudflare.com, ifaaan@gmail.com>"]
 license = "BSD-3-Clause"
 description = "Streaming HTML rewriter/parser with CSS selector-based API"
@@ -11,6 +11,7 @@ keywords = ["html", "css-selectors", "parser", "rewriter", "streaming"]
 readme = "README.md"
 include = ["/Cargo.toml", "/LICENSE", "/README.md", "/media", "/src"]
 edition = "2021"
+rust-version = "1.80"
 
 [lib]
 # Disable libtest to make sure criterion can parse the command line flags.
@@ -50,7 +51,7 @@ serde_derive = "1.0.19"
 serde_json = "1.0.65"
 static_assertions = "1.1.0"
 rand = "0.8.5"
-itertools = "0.13"
+itertools = "0.14"
 
 [lints.rust]
 keyword_idents = { level = "deny", priority = 1 }
diff --git a/c-api/Cargo.lock b/c-api/Cargo.lock
index 739cd374..954418c9 100644
--- a/c-api/Cargo.lock
+++ b/c-api/Cargo.lock
@@ -4,9 +4,9 @@ version = 4
 
 [[package]]
 name = "allocator-api2"
-version = "0.2.18"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
 [[package]]
 name = "bitflags"
@@ -48,7 +48,7 @@ dependencies = [
  "dtoa-short",
  "itoa",
  "matches",
- "phf",
+ "phf 0.10.1",
  "proc-macro2",
  "quote",
  "smallvec",
@@ -62,7 +62,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13b588ba4ac1a99f7f2964d24b3d896ddc6bf847ee3855dbd4366f058cfcd331"
 dependencies = [
  "quote",
- "syn 2.0.87",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -75,7 +75,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "syn 2.0.87",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -110,9 +110,9 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "foldhash"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f81ec6369c545a7d40e4589b5597581fa1c441fe1cce96dd1de43159910a36a2"
+checksum = "a0d2fde1f7b3d48b8395d5f2de76c18a528bd6a9cdde438df747bfcba3e05d6f"
 
 [[package]]
 name = "fxhash"
@@ -131,14 +131,25 @@ checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.15.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a9bfc1af68b1726ea47d3d5109de126281def866b33970e10fbab11b5dafab3"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 dependencies = [
  "allocator-api2",
  "equivalent",
@@ -153,9 +164,9 @@ checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "libc"
-version = "0.2.161"
+version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
+checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "log"
@@ -165,7 +176,7 @@ checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "lol_html"
-version = "2.1.0"
+version = "2.2.0"
 dependencies = [
  "bitflags 2.6.0",
  "cfg-if",
@@ -217,9 +228,18 @@ name = "phf"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
+dependencies = [
+ "phf_shared 0.8.0",
+]
+
+[[package]]
+name = "phf"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fabbf1ead8a5bcbc20f5f8b939ee3f5b0f6f281b6ad3468b84656b658b455259"
 dependencies = [
  "phf_macros",
- "phf_shared",
+ "phf_shared 0.10.0",
  "proc-macro-hack",
 ]
 
@@ -229,8 +249,8 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.8.0",
+ "phf_shared 0.8.0",
 ]
 
 [[package]]
@@ -239,18 +259,28 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
- "phf_shared",
- "rand",
+ "phf_shared 0.8.0",
+ "rand 0.7.3",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
+dependencies = [
+ "phf_shared 0.10.0",
+ "rand 0.8.5",
 ]
 
 [[package]]
 name = "phf_macros"
-version = "0.8.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6fde18ff429ffc8fe78e2bf7f8b7a5a5a6e2a8b58bc5a9ac69198bbda9189c"
+checksum = "58fdf3184dd560f160dd73922bea2d5cd6e8f064bf4b13110abd81b03697b4e0"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -266,6 +296,15 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "phf_shared"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6796ad771acdc0123d2a88dc428b5e38ef24456743ddb1744ed628f9815c096"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.20"
@@ -289,18 +328,18 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.89"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
 dependencies = [
  "proc-macro2",
 ]
@@ -311,14 +350,25 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
  "rand_hc",
  "rand_pcg",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -326,7 +376,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -335,7 +395,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.15",
 ]
 
 [[package]]
@@ -344,7 +413,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -353,7 +422,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -376,7 +445,7 @@ dependencies = [
  "derive_more",
  "fxhash",
  "log",
- "phf",
+ "phf 0.8.0",
  "phf_codegen",
  "precomputed-hash",
  "servo_arc",
@@ -385,9 +454,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.23"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+checksum = "3cb6eb87a131f756572d7fb904f6e7b68633f09cca868c5df1c4b8d1a694bbba"
 
 [[package]]
 name = "servo_arc"
@@ -430,9 +499,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.87"
+version = "2.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
+checksum = "987bc0be1cdea8b10216bd06e2ca407d40b9543468fafd3ddfb02f36e77f71f3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -441,29 +510,29 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.87",
+ "syn 2.0.94",
 ]
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.13"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
+checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
 
 [[package]]
 name = "wasi"
@@ -471,6 +540,12 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
@@ -489,5 +564,5 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.87",
+ "syn 2.0.94",
 ]
diff --git a/js-api/Cargo.lock b/js-api/Cargo.lock
index 520c9b34..0e8013bb 100644
--- a/js-api/Cargo.lock
+++ b/js-api/Cargo.lock
@@ -54,7 +54,7 @@ dependencies = [
  "dtoa-short",
  "itoa",
  "matches",
- "phf",
+ "phf 0.10.1",
  "proc-macro2",
  "quote",
  "smallvec",
@@ -68,7 +68,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13b588ba4ac1a99f7f2964d24b3d896ddc6bf847ee3855dbd4366f058cfcd331"
 dependencies = [
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -81,7 +81,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "syn 2.0.90",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -116,9 +116,9 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "foldhash"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f81ec6369c545a7d40e4589b5597581fa1c441fe1cce96dd1de43159910a36a2"
+checksum = "a0d2fde1f7b3d48b8395d5f2de76c18a528bd6a9cdde438df747bfcba3e05d6f"
 
 [[package]]
 name = "fxhash"
@@ -137,14 +137,25 @@ checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.15.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a9bfc1af68b1726ea47d3d5109de126281def866b33970e10fbab11b5dafab3"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 dependencies = [
  "allocator-api2",
  "equivalent",
@@ -159,9 +170,9 @@ checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "js-sys"
-version = "0.3.74"
+version = "0.3.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a865e038f7f6ed956f788f0d7d60c541fff74c7bd74272c5d4cf15c63743e705"
+checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
 dependencies = [
  "once_cell",
  "wasm-bindgen",
@@ -169,9 +180,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.167"
+version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09d6582e104315a817dff97f75133544b2e094ee22447d2acf4a74e189ba06fc"
+checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "log"
@@ -194,7 +205,7 @@ dependencies = [
 
 [[package]]
 name = "lol_html"
-version = "2.1.0"
+version = "2.2.0"
 dependencies = [
  "bitflags 2.6.0",
  "cfg-if",
@@ -242,9 +253,18 @@ name = "phf"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
+dependencies = [
+ "phf_shared 0.8.0",
+]
+
+[[package]]
+name = "phf"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fabbf1ead8a5bcbc20f5f8b939ee3f5b0f6f281b6ad3468b84656b658b455259"
 dependencies = [
  "phf_macros",
- "phf_shared",
+ "phf_shared 0.10.0",
  "proc-macro-hack",
 ]
 
@@ -254,8 +274,8 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.8.0",
+ "phf_shared 0.8.0",
 ]
 
 [[package]]
@@ -264,18 +284,28 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
- "phf_shared",
- "rand",
+ "phf_shared 0.8.0",
+ "rand 0.7.3",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
+dependencies = [
+ "phf_shared 0.10.0",
+ "rand 0.8.5",
 ]
 
 [[package]]
 name = "phf_macros"
-version = "0.8.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6fde18ff429ffc8fe78e2bf7f8b7a5a5a6e2a8b58bc5a9ac69198bbda9189c"
+checksum = "58fdf3184dd560f160dd73922bea2d5cd6e8f064bf4b13110abd81b03697b4e0"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -291,6 +321,15 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "phf_shared"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6796ad771acdc0123d2a88dc428b5e38ef24456743ddb1744ed628f9815c096"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.20"
@@ -323,9 +362,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
 dependencies = [
  "proc-macro2",
 ]
@@ -336,14 +375,25 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
  "rand_hc",
  "rand_pcg",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -351,7 +401,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -360,7 +420,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.15",
 ]
 
 [[package]]
@@ -369,7 +438,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -378,7 +447,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -401,7 +470,7 @@ dependencies = [
  "derive_more",
  "fxhash",
  "log",
- "phf",
+ "phf 0.8.0",
  "phf_codegen",
  "precomputed-hash",
  "servo_arc",
@@ -410,15 +479,15 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.23"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+checksum = "3cb6eb87a131f756572d7fb904f6e7b68633f09cca868c5df1c4b8d1a694bbba"
 
 [[package]]
 name = "serde"
-version = "1.0.215"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
+checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
 dependencies = [
  "serde_derive",
 ]
@@ -436,13 +505,13 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.215"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -486,9 +555,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.90"
+version = "2.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
+checksum = "987bc0be1cdea8b10216bd06e2ca407d40b9543468fafd3ddfb02f36e77f71f3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -497,22 +566,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
 ]
 
 [[package]]
@@ -527,11 +596,17 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d15e63b4482863c109d70a7b8706c1e364eb6ea449b201a76c5b89cedcec2d5c"
+checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -540,24 +615,23 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d36ef12e3aaca16ddd3f67922bc63e48e953f126de60bd33ccc0101ef9998cd"
+checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
 dependencies = [
  "bumpalo",
  "log",
- "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "705440e08b42d3e4b36de7d66c944be628d579796b8090bfa3471478a2260051"
+checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -565,22 +639,22 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98c9ae5a76e46f4deecd0f0255cc223cfa18dc9b261213b8aa0c7b36f61b3f1d"
+checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ee99da9c5ba11bd675621338ef6fa52296b76b83305e9b6e5c77d4c286d6d49"
+checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
 
 [[package]]
 name = "zerocopy"
@@ -600,5 +674,5 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.90",
+ "syn 2.0.94",
 ]
diff --git a/src/html/text_type.rs b/src/html/text_type.rs
index 9bc4695a..d618091b 100644
--- a/src/html/text_type.rs
+++ b/src/html/text_type.rs
@@ -56,6 +56,7 @@ cfg_if! {
         }
 
         impl<'s> From<&'s str> for TextType {
+            #[allow(clippy::fallible_impl_from)]
             fn from(text_type: &'s str) -> Self {
                 match text_type {
                     "Data state" => Self::Data,
diff --git a/src/parser/lexer/conditions.rs b/src/parser/lexer/conditions.rs
index cf75f341..06c5df2c 100644
--- a/src/parser/lexer/conditions.rs
+++ b/src/parser/lexer/conditions.rs
@@ -1,4 +1,4 @@
-use super::*;
+use super::{LexemeSink, Lexer, TagTokenOutline};
 use crate::parser::state_machine::StateMachineConditions;
 
 impl<S: LexemeSink> StateMachineConditions for Lexer<S> {
diff --git a/src/parser/tag_scanner/conditions.rs b/src/parser/tag_scanner/conditions.rs
index b7e298f6..89efb987 100644
--- a/src/parser/tag_scanner/conditions.rs
+++ b/src/parser/tag_scanner/conditions.rs
@@ -1,4 +1,4 @@
-use super::*;
+use super::{TagHintSink, TagScanner};
 use crate::parser::state_machine::StateMachineConditions;
 
 impl<S: TagHintSink> StateMachineConditions for TagScanner<S> {
diff --git a/src/parser/tag_scanner/mod.rs b/src/parser/tag_scanner/mod.rs
index 93982e0a..51468a1e 100644
--- a/src/parser/tag_scanner/mod.rs
+++ b/src/parser/tag_scanner/mod.rs
@@ -134,12 +134,11 @@ impl<S: TagHintSink> TagScanner<S> {
     fn take_feedback_directive(&mut self) -> FeedbackDirective {
         self.pending_text_type_change
             .take()
-            .map(|text_type| {
+            .map_or(FeedbackDirective::Skip, |text_type| {
                 FeedbackDirective::ApplyUnhandledFeedback(TreeBuilderFeedback::SwitchTextType(
                     text_type,
                 ))
             })
-            .unwrap_or(FeedbackDirective::Skip)
     }
 }
 
diff --git a/src/rewritable_units/element.rs b/src/rewritable_units/element.rs
index b3e13cf8..85bd1093 100644
--- a/src/rewritable_units/element.rs
+++ b/src/rewritable_units/element.rs
@@ -1439,7 +1439,11 @@ mod tests {
         #[test]
         fn parsed() {
             test!(
-                |_| {},
+                |el| {
+                    assert_eq!(el.get_attribute("a1").unwrap(), "foo \" baré \" baz");
+                    assert_eq!(el.get_attribute("a3").unwrap(), "foo/bar");
+                    assert_eq!(el.get_attribute("a4").unwrap(), "");
+                },
                 r#"<a a1='foo " baré " baz' / a2="foo ' bar ' baz" a3=foo/bar a4></a>"#
             );
         }
@@ -1523,6 +1527,26 @@ mod tests {
             assert_eq!(output, r"<img/>");
         }
 
+        #[test]
+        fn value_trailing_slash() {
+            let mut output = rewrite_element(b"<img path=//>", UTF_8, "img", |el| {
+                assert_eq!(el.get_attribute("path").unwrap(), "//");
+                el.set_attribute("slash", "/").unwrap();
+
+                assert!(!el.can_have_content());
+            });
+
+            assert_eq!(output, r#"<img path=// slash="/">"#);
+
+            output = rewrite_element(b"<img path=//>", UTF_8, "img", |el| {
+                el.remove_attribute("path");
+
+                assert!(!el.can_have_content());
+            });
+
+            assert_eq!(output, r"<img>");
+        }
+
         #[test]
         fn remove_non_existent_attr() {
             test!(
@@ -1537,6 +1561,8 @@ mod tests {
         fn without_attrs() {
             test!(
                 |el| {
+                    assert!(el.can_have_content());
+
                     for name in &["a1", "a2", "a3", "a4"] {
                         el.remove_attribute(name);
                     }
diff --git a/src/rewritable_units/text_encoder.rs b/src/rewritable_units/text_encoder.rs
index 0efca0c4..93daf086 100644
--- a/src/rewritable_units/text_encoder.rs
+++ b/src/rewritable_units/text_encoder.rs
@@ -142,16 +142,16 @@ impl Buffer {
 
     fn buffer_for_length(&mut self, content_len: usize) -> &mut [u8] {
         let buffer = match self {
-            Buffer::Heap(buf) => buf.as_mut_slice(),
+            Self::Heap(buf) => buf.as_mut_slice(),
             // Long non-ASCII content could take lots of roundtrips through the encoder
             buf if content_len >= Self::CONTENT_WRITE_LENGTH_LONG_ENOUGH_TO_USE_LARGER_BUFFER => {
-                *buf = Buffer::Heap(vec![0; Self::DEFAULT_HEAP_BUFFER_SIZE]);
+                *buf = Self::Heap(vec![0; Self::DEFAULT_HEAP_BUFFER_SIZE]);
                 match buf {
-                    Buffer::Heap(buf) => buf.as_mut(),
+                    Self::Heap(buf) => buf.as_mut(),
                     _ => unreachable!(),
                 }
             }
-            Buffer::Stack(buf) => buf.as_mut_slice(),
+            Self::Stack(buf) => buf.as_mut_slice(),
         };
         buffer
     }
diff --git a/src/rewritable_units/tokens/start_tag.rs b/src/rewritable_units/tokens/start_tag.rs
index a026f6eb..da00d89b 100644
--- a/src/rewritable_units/tokens/start_tag.rs
+++ b/src/rewritable_units/tokens/start_tag.rs
@@ -24,7 +24,7 @@ pub struct StartTag<'i> {
 impl<'i> StartTag<'i> {
     #[inline]
     #[must_use]
-    pub(super) fn new_token(
+    pub(super) const fn new_token(
         name: Bytes<'i>,
         attributes: Attributes<'i>,
         ns: Namespace,
@@ -117,6 +117,9 @@ impl<'i> StartTag<'i> {
         self.self_closing
     }
 
+    /// If false, the tag won't be seiralized with `/>`
+    ///
+    /// This doesn't affect content model
     pub(crate) fn set_self_closing_syntax(&mut self, has_slash: bool) {
         self.self_closing = has_slash;
     }
diff --git a/src/rewriter/handlers_dispatcher.rs b/src/rewriter/handlers_dispatcher.rs
index c41d249b..7002e491 100644
--- a/src/rewriter/handlers_dispatcher.rs
+++ b/src/rewriter/handlers_dispatcher.rs
@@ -185,7 +185,7 @@ impl<'h, H: HandlerTypes> ContentHandlersDispatcher<'h, H> {
     }
 
     #[inline]
-    pub fn start_matching(&mut self, match_info: MatchInfo<SelectorHandlersLocator>) {
+    pub fn start_matching(&mut self, match_info: &MatchInfo<SelectorHandlersLocator>) {
         let locator = match_info.payload;
 
         if match_info.with_content {
diff --git a/src/rewriter/mod.rs b/src/rewriter/mod.rs
index ac336960..29256c27 100644
--- a/src/rewriter/mod.rs
+++ b/src/rewriter/mod.rs
@@ -5,7 +5,7 @@ mod rewrite_controller;
 pub(crate) mod settings;
 
 use self::handlers_dispatcher::ContentHandlersDispatcher;
-use self::rewrite_controller::*;
+use self::rewrite_controller::{ElementDescriptor, HtmlRewriteController};
 pub use self::settings::*;
 use crate::base::SharedEncoding;
 use crate::memory::{MemoryLimitExceededError, SharedMemoryLimiter};
diff --git a/src/rewriter/rewrite_controller.rs b/src/rewriter/rewrite_controller.rs
index 27930d74..a327d766 100644
--- a/src/rewriter/rewrite_controller.rs
+++ b/src/rewriter/rewrite_controller.rs
@@ -3,7 +3,7 @@ use super::{HandlerTypes, RewritingError};
 use crate::html::{LocalName, Namespace};
 use crate::rewritable_units::{DocumentEnd, Token, TokenCaptureFlags};
 use crate::selectors_vm::{AuxStartTagInfoRequest, ElementData, SelectorMatchingVm, VmError};
-use crate::transform_stream::*;
+use crate::transform_stream::{DispatcherError, StartTagHandlingResult, TransformController};
 use hashbrown::HashSet;
 
 #[derive(Default)]
@@ -48,7 +48,7 @@ impl<H: HandlerTypes> HtmlRewriteController<'_, H> {
         Err(DispatcherError::InfoRequest(Box::new(
             move |this, aux_info| {
                 if let Some(ref mut vm) = this.selector_matching_vm {
-                    let mut match_handler = |m| this.handlers_dispatcher.start_matching(m);
+                    let mut match_handler = |m| this.handlers_dispatcher.start_matching(&m);
 
                     aux_info_req(vm, aux_info, &mut match_handler)
                         .map_err(RewritingError::MemoryLimitExceeded)?;
@@ -78,7 +78,7 @@ impl<H: HandlerTypes> TransformController for HtmlRewriteController<'_, H> {
     ) -> StartTagHandlingResult<Self> {
         match self.selector_matching_vm {
             Some(ref mut vm) => {
-                let mut match_handler = |m| self.handlers_dispatcher.start_matching(m);
+                let mut match_handler = |m| self.handlers_dispatcher.start_matching(&m);
 
                 match vm.exec_for_start_tag(local_name, ns, &mut match_handler) {
                     Ok(()) => Ok(self.get_capture_flags()),
diff --git a/src/selectors_vm/ast.rs b/src/selectors_vm/ast.rs
index a18f17c4..e493af11 100644
--- a/src/selectors_vm/ast.rs
+++ b/src/selectors_vm/ast.rs
@@ -128,10 +128,10 @@ impl From<&Component<SelectorImplDescriptor>> for Condition {
                 Self::OnTagName(OnTagNameExpr::ExplicitAny)
             }
             Component::ExplicitNoNamespace => Self::OnTagName(OnTagNameExpr::Unmatchable),
-            Component::ID(id) => Self::OnAttributes(OnAttributesExpr::Id(id.0.to_owned())),
-            Component::Class(c) => Self::OnAttributes(OnAttributesExpr::Class(c.0.to_owned())),
+            Component::ID(id) => Self::OnAttributes(OnAttributesExpr::Id(id.0.clone())),
+            Component::Class(c) => Self::OnAttributes(OnAttributesExpr::Class(c.0.clone())),
             Component::AttributeInNoNamespaceExists { local_name, .. } => {
-                Self::OnAttributes(OnAttributesExpr::AttributeExists(local_name.0.to_owned()))
+                Self::OnAttributes(OnAttributesExpr::AttributeExists(local_name.0.clone()))
             }
             &Component::AttributeInNoNamespace {
                 ref local_name,
@@ -145,8 +145,8 @@ impl From<&Component<SelectorImplDescriptor>> for Condition {
                 } else {
                     Self::OnAttributes(OnAttributesExpr::AttributeComparisonExpr(
                         AttributeComparisonExpr::new(
-                            local_name.0.to_owned(),
-                            value.0.to_owned(),
+                            local_name.0.clone(),
+                            value.0.clone(),
                             case_sensitivity,
                             operator,
                         ),
diff --git a/src/selectors_vm/error.rs b/src/selectors_vm/error.rs
index 9e4762b2..07ab4e9a 100644
--- a/src/selectors_vm/error.rs
+++ b/src/selectors_vm/error.rs
@@ -45,6 +45,11 @@ pub enum SelectorError {
     #[error("Invalid or unescaped class name in selector.")]
     InvalidClassName,
 
+    /// Unused
+    #[error("Empty negation in selector.")]
+    #[deprecated(note = "unused")]
+    EmptyNegation,
+
     /// Unsupported combinator in the selector.
     #[error("Unsupported combinator `{0}` in selector.")]
     UnsupportedCombinator(char),
@@ -89,7 +94,10 @@ impl From<SelectorParseError<'_>> for SelectorError {
                 }
                 // NOTE: there are currently no cases in the parser code
                 // that trigger this error.
-                SelectorParseErrorKind::UnexpectedIdent(_) => unreachable!(),
+                SelectorParseErrorKind::UnexpectedIdent(_) => {
+                    debug_assert!(false);
+                    Self::UnsupportedSyntax
+                },
                 SelectorParseErrorKind::ExpectedNamespace(_) => Self::NamespacedSelector,
                 SelectorParseErrorKind::ExplicitNamespaceUnexpectedToken(_) => {
                     Self::UnexpectedToken
@@ -101,7 +109,10 @@ impl From<SelectorParseError<'_>> for SelectorError {
                     Self::UnexpectedTokenInAttribute
                 }
                 SelectorParseErrorKind::ClassNeedsIdent(_) => Self::InvalidClassName,
-                SelectorParseErrorKind::InvalidState => panic!("invalid state"),
+                SelectorParseErrorKind::InvalidState => {
+                    debug_assert!(false, "invalid state");
+                    Self::UnsupportedSyntax
+                }
             },
         }
     }
diff --git a/src/selectors_vm/stack.rs b/src/selectors_vm/stack.rs
index 313b177d..846f67f9 100644
--- a/src/selectors_vm/stack.rs
+++ b/src/selectors_vm/stack.rs
@@ -245,10 +245,10 @@ impl<E: ElementData> Stack<E> {
     where
         'a: 'i, // 'a outlives 'i, required to downcast 'a lifetimes into 'i
     {
-        let cumulative = match self.items.last() {
-            Some(last) => &last.child_counter,
-            None => &self.root_child_counter,
-        };
+        let cumulative = self
+            .items
+            .last()
+            .map_or(&self.root_child_counter, |last| &last.child_counter);
         SelectorState {
             cumulative,
             typed: self