diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd4ea9f..8013219 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,23 +15,31 @@ on:
     tags: [v*]
 
 env:
-  PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
-  SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
-  SONATYPE_CREDENTIAL_HOST: ${{ secrets.SONATYPE_CREDENTIAL_HOST }}
-  SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
-  PGP_SECRET: ${{ secrets.PGP_SECRET }}
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+
+concurrency:
+  group: ${{ github.workflow }} @ ${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Build and Test
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.10, 2.12.17, 3.2.1]
+        scala: [2.13, 2.12, 3]
         java: [temurin@8, temurin@11, temurin@17]
         project: [rootJS, rootJVM, rootNative]
         exclude:
+          - scala: 2.12
+            java: temurin@11
+          - scala: 2.12
+            java: temurin@17
+          - scala: 3
+            java: temurin@11
+          - scala: 3
+            java: temurin@17
           - project: rootJS
             java: temurin@11
           - project: rootJS
@@ -41,75 +49,59 @@ jobs:
           - project: rootNative
             java: temurin@17
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Download Java (temurin@8)
-        id: download-java-temurin-8
+      - name: Setup Java (temurin@8)
+        id: setup-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 8
+          cache: sbt
 
-      - name: Setup Java (temurin@8)
-        if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v3
-        with:
-          distribution: jdkfile
-          java-version: 8
-          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+      - name: sbt update
+        if: matrix.java == 'temurin@8' && steps.setup-java-temurin-8.outputs.cache-hit == 'false'
+        run: sbt +update
 
-      - name: Download Java (temurin@11)
-        id: download-java-temurin-11
+      - name: Setup Java (temurin@11)
+        id: setup-java-temurin-11
         if: matrix.java == 'temurin@11'
-        uses: typelevel/download-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 11
+          cache: sbt
 
-      - name: Setup Java (temurin@11)
-        if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v3
-        with:
-          distribution: jdkfile
-          java-version: 11
-          jdkFile: ${{ steps.download-java-temurin-11.outputs.jdkFile }}
-
-      - name: Download Java (temurin@17)
-        id: download-java-temurin-17
-        if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v2
-        with:
-          distribution: temurin
-          java-version: 17
+      - name: sbt update
+        if: matrix.java == 'temurin@11' && steps.setup-java-temurin-11.outputs.cache-hit == 'false'
+        run: sbt +update
 
       - name: Setup Java (temurin@17)
+        id: setup-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-          distribution: jdkfile
+          distribution: temurin
           java-version: 17
-          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+          cache: sbt
 
-      - name: Cache sbt
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier/cache/v1
-            ~/.cache/coursier/v1
-            ~/AppData/Local/Coursier/Cache/v1
-            ~/Library/Caches/Coursier/v1
-          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+      - name: sbt update
+        if: matrix.java == 'temurin@17' && steps.setup-java-temurin-17.outputs.cache-hit == 'false'
+        run: sbt +update
 
       - name: Check that workflows are up to date
         run: sbt githubWorkflowCheck
 
+      - name: Check headers
+        if: matrix.java == 'temurin@8' && matrix.os == 'ubuntu-latest'
+        run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' headerCheckAll
+
       - name: scalaJSLink
         if: matrix.project == 'rootJS'
         run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' Test/scalaJSLinkerResult
@@ -130,16 +122,16 @@ jobs:
         run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' doc
 
       - name: Make target directories
-        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master')
-        run: mkdir -p target .js/target parsley-cats/js/target .jvm/target .native/target parsley-cats/jvm/target parsley-cats/native/target project/target
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/staging/1.3')
+        run: mkdir -p parsley-cats/js/target parsley-cats/jvm/target parsley-cats/native/target project/target
 
       - name: Compress target directories
-        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master')
-        run: tar cf targets.tar target .js/target parsley-cats/js/target .jvm/target .native/target parsley-cats/jvm/target parsley-cats/native/target project/target
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/staging/1.3')
+        run: tar cf targets.tar parsley-cats/js/target parsley-cats/jvm/target parsley-cats/native/target project/target
 
       - name: Upload target directories
-        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master')
-        uses: actions/upload-artifact@v3
+        if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/staging/1.3')
+        uses: actions/upload-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.project }}
           path: targets.tar
@@ -147,179 +139,226 @@ jobs:
   publish:
     name: Publish Artifacts
     needs: [build]
-    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master')
+    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/staging/1.3')
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.10]
         java: [temurin@8]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Download Java (temurin@8)
-        id: download-java-temurin-8
+      - name: Setup Java (temurin@8)
+        id: setup-java-temurin-8
         if: matrix.java == 'temurin@8'
-        uses: typelevel/download-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 8
+          cache: sbt
 
-      - name: Setup Java (temurin@8)
-        if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v3
-        with:
-          distribution: jdkfile
-          java-version: 8
-          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+      - name: sbt update
+        if: matrix.java == 'temurin@8' && steps.setup-java-temurin-8.outputs.cache-hit == 'false'
+        run: sbt +update
 
-      - name: Download Java (temurin@11)
-        id: download-java-temurin-11
+      - name: Setup Java (temurin@11)
+        id: setup-java-temurin-11
         if: matrix.java == 'temurin@11'
-        uses: typelevel/download-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 11
+          cache: sbt
 
-      - name: Setup Java (temurin@11)
-        if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v3
-        with:
-          distribution: jdkfile
-          java-version: 11
-          jdkFile: ${{ steps.download-java-temurin-11.outputs.jdkFile }}
+      - name: sbt update
+        if: matrix.java == 'temurin@11' && steps.setup-java-temurin-11.outputs.cache-hit == 'false'
+        run: sbt +update
 
-      - name: Download Java (temurin@17)
-        id: download-java-temurin-17
+      - name: Setup Java (temurin@17)
+        id: setup-java-temurin-17
         if: matrix.java == 'temurin@17'
-        uses: typelevel/download-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
+          cache: sbt
 
-      - name: Setup Java (temurin@17)
-        if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v3
-        with:
-          distribution: jdkfile
-          java-version: 17
-          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+      - name: sbt update
+        if: matrix.java == 'temurin@17' && steps.setup-java-temurin-17.outputs.cache-hit == 'false'
+        run: sbt +update
 
-      - name: Cache sbt
-        uses: actions/cache@v3
+      - name: Download target directories (2.13, rootJS)
+        uses: actions/download-artifact@v4
         with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier/cache/v1
-            ~/.cache/coursier/v1
-            ~/AppData/Local/Coursier/Cache/v1
-            ~/Library/Caches/Coursier/v1
-          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
-
-      - name: Download target directories (2.13.10, rootJS)
-        uses: actions/download-artifact@v3
-        with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.10-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJS
 
-      - name: Inflate target directories (2.13.10, rootJS)
+      - name: Inflate target directories (2.13, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13.10, rootJVM)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (2.13, rootJVM)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.10-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJVM
 
-      - name: Inflate target directories (2.13.10, rootJVM)
+      - name: Inflate target directories (2.13, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13.10, rootNative)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (2.13, rootNative)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.10-rootNative
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootNative
 
-      - name: Inflate target directories (2.13.10, rootNative)
+      - name: Inflate target directories (2.13, rootNative)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootJS)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (2.12, rootJS)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJS
 
-      - name: Inflate target directories (2.12.17, rootJS)
+      - name: Inflate target directories (2.12, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootJVM)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (2.12, rootJVM)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJVM
 
-      - name: Inflate target directories (2.12.17, rootJVM)
+      - name: Inflate target directories (2.12, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootNative)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (2.12, rootNative)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootNative
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootNative
 
-      - name: Inflate target directories (2.12.17, rootNative)
+      - name: Inflate target directories (2.12, rootNative)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3.2.1, rootJS)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (3, rootJS)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3.2.1-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJS
 
-      - name: Inflate target directories (3.2.1, rootJS)
+      - name: Inflate target directories (3, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3.2.1, rootJVM)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (3, rootJVM)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3.2.1-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJVM
 
-      - name: Inflate target directories (3.2.1, rootJVM)
+      - name: Inflate target directories (3, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3.2.1, rootNative)
-        uses: actions/download-artifact@v3
+      - name: Download target directories (3, rootNative)
+        uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3.2.1-rootNative
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootNative
 
-      - name: Inflate target directories (3.2.1, rootNative)
+      - name: Inflate target directories (3, rootNative)
         run: |
           tar xf targets.tar
           rm targets.tar
 
       - name: Import signing key
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
-        run: echo $PGP_SECRET | base64 -di | gpg --import
+        env:
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+        run: echo $PGP_SECRET | base64 -d -i - | gpg --import
 
       - name: Import signing key and strip passphrase
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE != ''
+        env:
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
         run: |
-          echo "$PGP_SECRET" | base64 -di > /tmp/signing-key.gpg
+          echo "$PGP_SECRET" | base64 -d -i - > /tmp/signing-key.gpg
           echo "$PGP_PASSPHRASE" | gpg --pinentry-mode loopback --passphrase-fd 0 --import /tmp/signing-key.gpg
           (echo "$PGP_PASSPHRASE"; echo; echo) | gpg --command-fd 0 --pinentry-mode loopback --change-passphrase $(gpg --list-secret-keys --with-colons 2> /dev/null | grep '^sec:' | cut --delimiter ':' --fields 5 | tail -n 1)
 
       - name: Publish
-        run: sbt '++ ${{ matrix.scala }}' tlCiRelease
+        env:
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+          SONATYPE_CREDENTIAL_HOST: ${{ secrets.SONATYPE_CREDENTIAL_HOST }}
+        run: sbt tlCiRelease
+
+  dependency-submission:
+    name: Submit Dependencies
+    if: github.event_name != 'pull_request'
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java (temurin@8)
+        id: setup-java-temurin-8
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 8
+          cache: sbt
+
+      - name: sbt update
+        if: matrix.java == 'temurin@8' && steps.setup-java-temurin-8.outputs.cache-hit == 'false'
+        run: sbt +update
+
+      - name: Setup Java (temurin@11)
+        id: setup-java-temurin-11
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: sbt
+
+      - name: sbt update
+        if: matrix.java == 'temurin@11' && steps.setup-java-temurin-11.outputs.cache-hit == 'false'
+        run: sbt +update
+
+      - name: Setup Java (temurin@17)
+        id: setup-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+          cache: sbt
+
+      - name: sbt update
+        if: matrix.java == 'temurin@17' && steps.setup-java-temurin-17.outputs.cache-hit == 'false'
+        run: sbt +update
+
+      - name: Submit Dependencies
+        uses: scalacenter/sbt-dependency-submission@v2
+        with:
+          modules-ignore: rootjs_2.13 rootjs_2.12 rootjs_3 rootjvm_2.13 rootjvm_2.12 rootjvm_3 rootnative_2.13 rootnative_2.12 rootnative_3
+          configs-ignore: test scala-tool scala-doc-tool test-internal
diff --git a/build.sbt b/build.sbt
index a68be88..c955ec8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,21 +2,19 @@ import org.scalajs.linker.interface.ESVersion
 import com.typesafe.tools.mima.core._
 
 val projectName = "parsley-cats"
-val Scala213 = "2.13.10"
-val Scala212 = "2.12.17"
-val Scala3 = "3.2.1"
+val Scala213 = "2.13.12"
+val Scala212 = "2.12.18"
+val Scala3 = "3.3.1"
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
 inThisBuild(List(
-  tlBaseVersion := "1.2",
+  tlBaseVersion := "1.3",
   organization := "com.github.j-mie6",
+  organizationName := "Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>",
   startYear := Some(2022),
   homepage := Some(url("https://github.com/j-mie6/parsley-cats")),
   licenses := List("BSD-3-Clause" -> url("https://opensource.org/licenses/BSD-3-Clause")),
-  developers := List(
-    tlGitHubDev("j-mie6", "Jamie Willis")
-  ),
   versionScheme := Some("early-semver"),
   crossScalaVersions := Seq(Scala213, Scala212, Scala3),
   scalaVersion := Scala213,
@@ -30,8 +28,9 @@ inThisBuild(List(
     ProblemFilters.exclude[MissingClassProblem]("parsley.MonoidKForParsley"),
   ),
   // CI Configuration
-  tlCiReleaseBranches := Seq("master"),
-  tlSonatypeUseLegacyHost := false,
+  tlCiReleaseBranches := Seq("staging/1.3"),
+  tlCiScalafmtCheck := false,
+  tlCiHeaderCheck := true,
   githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8"), JavaSpec.temurin("11"), JavaSpec.temurin("17")),
 ))
 
@@ -43,13 +42,16 @@ lazy val `parsley-cats` = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("parsley-cats"))
   .settings(
     name := projectName,
+    headerLicenseStyle := HeaderLicenseStyle.SpdxSyntax,
+    headerEmptyLine := false,
+
+    resolvers ++= Opts.resolver.sonatypeOssReleases, // Will speed up MiMA during fast back-to-back releases
     libraryDependencies ++= Seq(
       "org.typelevel" %%% "cats-core" % "2.8.0",
-      "com.github.j-mie6" %%% "parsley" % "4.0.0",
-      "org.scalatest" %%% "scalatest" % "3.2.12" % Test,
+      "com.github.j-mie6" %%% "parsley" % "4.5.0",
+      "org.scalatest" %%% "scalatest" % "3.2.17" % Test,
       "org.typelevel" %%% "cats-laws" % "2.8.0" % Test,
     ),
-  )
-  .jsSettings(
-      Test / scalaJSLinkerConfig := scalaJSLinkerConfig.value.withESFeatures(_.withESVersion(ESVersion.ES2018))
+
+    Test / testOptions += Tests.Argument(TestFrameworks.ScalaTest, "-oI"),
   )
diff --git a/parsley-cats/shared/src/main/scala-2.12/parsley/cats/MonoidKForParsley.scala b/parsley-cats/shared/src/main/scala-2.12/parsley/cats/MonoidKForParsley.scala
index 43c306d..df6876d 100644
--- a/parsley-cats/shared/src/main/scala-2.12/parsley/cats/MonoidKForParsley.scala
+++ b/parsley-cats/shared/src/main/scala-2.12/parsley/cats/MonoidKForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala-2.13+/parsley/cats/MonoidKForParsley.scala b/parsley-cats/shared/src/main/scala-2.13+/parsley/cats/MonoidKForParsley.scala
index ebac5f0..2dbf508 100644
--- a/parsley-cats/shared/src/main/scala-2.13+/parsley/cats/MonoidKForParsley.scala
+++ b/parsley-cats/shared/src/main/scala-2.13+/parsley/cats/MonoidKForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/ApplicativeForParsley.scala b/parsley-cats/shared/src/main/scala/parsley/cats/ApplicativeForParsley.scala
index 3b37021..f352017 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/ApplicativeForParsley.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/ApplicativeForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
@@ -20,7 +22,7 @@ private [parsley] trait ApplicativeForParsley extends Applicative[Parsley] {
     override def ap[A, B](mf: Parsley[A => B])(mx: Parsley[A]): Parsley[B] = mf <*> mx
 
     override def replicateA[A](n: Int, mx: Parsley[A]): Parsley[List[A]] = parsley.combinator.exactly(n, mx)
-    override def replicateA_[A](n: Int, mx: Parsley[A]): Parsley[Unit] = parsley.combinator.skip(mx, (1 until n).map(_ => mx): _*)
+    override def replicateA_[A](n: Int, mx: Parsley[A]): Parsley[Unit] = replicateA(n, mx).void
 
     // Maps and Tuples
     override def map2[A, B, Z](mx: Parsley[A], my: Parsley[B])(f: (A, B) => Z): Parsley[Z] = lift2(f, mx, my)
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/DeferForParsley.scala b/parsley-cats/shared/src/main/scala/parsley/cats/DeferForParsley.scala
index 0fedcd5..a55908a 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/DeferForParsley.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/DeferForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/FunctorFilterForParsley.scala b/parsley-cats/shared/src/main/scala/parsley/cats/FunctorFilterForParsley.scala
index 2ebf022..0314b05 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/FunctorFilterForParsley.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/FunctorFilterForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/FunctorForParsley.scala b/parsley-cats/shared/src/main/scala/parsley/cats/FunctorForParsley.scala
index 8170a4a..4364320 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/FunctorForParsley.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/FunctorForParsley.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/MonadForParsley.scala b/parsley-cats/shared/src/main/scala/parsley/cats/MonadForParsley.scala
index 0520617..3c4e8fc 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/MonadForParsley.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/MonadForParsley.scala
@@ -1,10 +1,12 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
 
 import parsley.Parsley
-import parsley.registers.{RegisterMaker, RegisterMethods}
+import parsley.state.{RefMaker, StateCombinators}
 
 import cats.{Alternative, Monad}
 
@@ -17,17 +19,17 @@ private [parsley] trait MonadForParsley extends Monad[Parsley] {
     }
 
     // Monad Overrides
-    override def ifM[B](mx: Parsley[Boolean])(ifTrue: => Parsley[B], ifFalse: => Parsley[B]): Parsley[B] = parsley.combinator.ifP(mx, ifTrue, ifFalse)
+    override def ifM[B](mx: Parsley[Boolean])(ifTrue: => Parsley[B], ifFalse: => Parsley[B]): Parsley[B] = parsley.combinator.ifS(mx, ifTrue, ifFalse)
     override def whileM_[A](p: Parsley[Boolean])(body: =>Parsley[A]): Parsley[Unit] = {
-        parsley.combinator.when(p, parsley.combinator.whileP(body ~> p))
+        parsley.combinator.whenS(p, parsley.combinator.whileS(body ~> p))
     }
-    override def untilM_[A](body: Parsley[A])(p: => Parsley[Boolean]): Parsley[Unit] = parsley.combinator.whileP(body *> p.map(!_))
+    override def untilM_[A](body: Parsley[A])(p: => Parsley[Boolean]): Parsley[Unit] = parsley.combinator.whileS(body *> p.map(!_))
 
     override def whileM[G[_]: Alternative, A](p: Parsley[Boolean])(body: => Parsley[A]): Parsley[G[A]] = {
         val G = implicitly[Alternative[G]]
-        G.empty[A].makeReg { acc =>
+        G.empty[A].makeRef { acc =>
             whileM_(p) {
-                acc.modify(body.map(x => (xs: G[A]) => G.appendK(xs, x)))
+                acc.update(body.map(x => (xs: G[A]) => G.appendK(xs, x)))
             } *> acc.get
         }
     }
@@ -44,19 +46,19 @@ private [parsley] trait MonadForParsley extends Monad[Parsley] {
 
     override def iterateUntil[A](mx: Parsley[A])(p: A => Boolean): Parsley[A] = {
         lazy val loop: Parsley[A] = mx.persist { mx =>
-            parsley.combinator.ifP(mx.map(p), mx, loop)
+            parsley.combinator.ifS(mx.map(p), mx, loop)
         }
         loop
     }
     override def iterateWhile[A](mx: Parsley[A])(p: A => Boolean): Parsley[A] = {
         lazy val loop: Parsley[A] = mx.persist { mx =>
-            parsley.combinator.ifP(mx.map(p), loop, mx)
+            parsley.combinator.ifS(mx.map(p), loop, mx)
         }
         loop
     }
     override def ifElseM[A](branches: (Parsley[Boolean], Parsley[A])*)(els: Parsley[A]): Parsley[A] = {
         branches.foldRight(els) {
-            case ((cond, t), e) => parsley.combinator.ifP(cond, t, e)
+            case ((cond, t), e) => parsley.combinator.ifS(cond, t, e)
         }
     }
 }
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/combinator.scala b/parsley-cats/shared/src/main/scala/parsley/cats/combinator.scala
index b804753..72262a8 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/combinator.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/combinator.scala
@@ -1,12 +1,14 @@
-/* SPDX-FileCopyrightText: © 2023 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
 
 import cats.data.NonEmptyList
 
-import parsley.Parsley, Parsley.notFollowedBy
-import parsley.combinator.{many, manyUntil}
+import parsley.Parsley, Parsley.{notFollowedBy, many}
+import parsley.combinator.{manyTill}
 import parsley.lift.lift2
 
 /** This module contains pre-made combinators that are very useful for a variety of purposes, specialised to `cats`.
@@ -46,6 +48,34 @@ object combinator {
       */
     def some[A](p: Parsley[A]): Parsley[NonEmptyList[A]] = nonEmptyList(p, many(p))
 
+    /** This combinator repeatedly parses a given parser '''one''' or more times, until the `end` parser succeeds, collecting the results into a list.
+      *
+      * First ensures that trying to parse `end` fails, then tries to parse `p`. If it succeed then it will repeatedly: try to parse `end`, if it fails
+      * '''without consuming input''', then parses `p`, which must succeed. When `end` does succeed, this combinator will return all of the results
+      * generated by `p`, `x,,1,,` through `x,,n,,` (with `n >= 1`), in a non-empty list: `NonEmptyList.of(x,,1,,, .., x,,n,,)`. The parser `p` must succeed
+      * at least once before `end` succeeds.
+      *
+      * @example This can be useful for scanning comments: {{{
+      * scala> import parsley.character.{string, item, endOfLine}
+      * scala> import parsley.cats.combinator.someTill
+      * scala> val comment = string("//") *> someTill(item, endOfLine)
+      * scala> p.parse("//hello world")
+      * val res0 = Failure(..)
+      * scala> p.parse("//hello world\n")
+      * val res1 = Success(NonEmptyList.of('h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'))
+      * scala> p.parse("//\n")
+      * val res2 = Failure(..)
+      * scala> p.parse("//a\n")
+      * val res3 = Success(NonEmptyList.of('a'))
+      * }}}
+      *
+      * @param p the parser to execute multiple times.
+      * @param end the parser that stops the parsing of `p`.
+      * @return a parser that parses `p` until `end` succeeds, returning the non-empty list of all the successful results.
+      * @since 1.3.0
+      */
+    def someTill[A](p: Parsley[A], end: Parsley[_]): Parsley[NonEmptyList[A]] = notFollowedBy(end) *> (nonEmptyList(p, manyTill(p, end)))
+
     /** This combinator repeatedly parses a given parser '''one''' or more times, until the `end` parser succeeds, collecting the results into a list.
       *
       * First ensures that trying to parse `end` fails, then tries to parse `p`. If it succeed then it will repeatedly: try to parse `end`, if it fails
@@ -72,7 +102,8 @@ object combinator {
       * @return a parser that parses `p` until `end` succeeds, returning the non-empty list of all the successful results.
       * @since 1.2.0
       */
-    def someUntil[A](p: Parsley[A], end: Parsley[_]): Parsley[NonEmptyList[A]] = notFollowedBy(end) *> (nonEmptyList(p, manyUntil(p, end)))
+    @deprecated("This combinator will be removed in 2.0.0, use someTill instead", "1.3.0")
+    def someUntil[A](p: Parsley[A], end: Parsley[_]): Parsley[NonEmptyList[A]] = notFollowedBy(end) *> (nonEmptyList(p, manyTill(p, end)))
 
     /** This combinator parses '''one''' or more occurrences of `p`, separated by `sep`.
       *
@@ -127,7 +158,7 @@ object combinator {
       * @since 1.2.0
       */
     def sepEndBy1[A](p: Parsley[A], sep: =>Parsley[_]): Parsley[NonEmptyList[A]] = parsley.combinator.sepEndBy1(p, sep).map { xxs =>
-        val (x::xs) = xxs
+        val (x::xs) = xxs: @unchecked
         NonEmptyList(x, xs)
     }
 
diff --git a/parsley-cats/shared/src/main/scala/parsley/cats/instances.scala b/parsley-cats/shared/src/main/scala/parsley/cats/instances.scala
index 48038d5..28e5cf6 100644
--- a/parsley-cats/shared/src/main/scala/parsley/cats/instances.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/cats/instances.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2023 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
diff --git a/parsley-cats/shared/src/main/scala/parsley/catsinstances.scala b/parsley-cats/shared/src/main/scala/parsley/catsinstances.scala
index 95dca29..3127809 100644
--- a/parsley-cats/shared/src/main/scala/parsley/catsinstances.scala
+++ b/parsley-cats/shared/src/main/scala/parsley/catsinstances.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2022 Parsley Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley
diff --git a/parsley-cats/shared/src/test/scala/parsley/ParsleyTest.scala b/parsley-cats/shared/src/test/scala/parsley/ParsleyTest.scala
index 6a18f97..a6426cc 100644
--- a/parsley-cats/shared/src/test/scala/parsley/ParsleyTest.scala
+++ b/parsley-cats/shared/src/test/scala/parsley/ParsleyTest.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2023 Parsley Contributors <https://github.com/j-mie6/Parsley/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley
@@ -7,8 +9,7 @@ import org.scalatest.Assertions
 import org.scalatest.flatspec.AnyFlatSpec
 import org.scalatest.matchers.should.Matchers
 
-import parsley.combinator.eof
-import parsley.Result
+import parsley.Parsley.eof
 import parsley.errors.{ErrorBuilder, tokenextractors}
 import org.scalatest.Inside
 import org.scalactic.source.Position
diff --git a/parsley-cats/shared/src/test/scala/parsley/cats/CatsSuite.scala b/parsley-cats/shared/src/test/scala/parsley/cats/CatsSuite.scala
index 17d2702..7efd77c 100644
--- a/parsley-cats/shared/src/test/scala/parsley/cats/CatsSuite.scala
+++ b/parsley-cats/shared/src/test/scala/parsley/cats/CatsSuite.scala
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 package parsley.cats
 
 import org.scalatest.flatspec.AnyFlatSpec
diff --git a/parsley-cats/shared/src/test/scala/parsley/cats/CombinatorTests.scala b/parsley-cats/shared/src/test/scala/parsley/cats/CombinatorTests.scala
index d2a3995..ebff00b 100644
--- a/parsley-cats/shared/src/test/scala/parsley/cats/CombinatorTests.scala
+++ b/parsley-cats/shared/src/test/scala/parsley/cats/CombinatorTests.scala
@@ -1,4 +1,6 @@
-/* SPDX-FileCopyrightText: © 2023 Parsley Contributors <https://github.com/j-mie6/Parsley/graphs/contributors>
+/*
+ * Copyright 2022 Parsley-Cats Contributors <https://github.com/j-mie6/parsley-cats/graphs/contributors>
+ *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 package parsley.cats
@@ -6,7 +8,7 @@ package parsley.cats
 import Predef.{ArrowAssoc => _}
 
 import parsley.{ParsleyTest, Success, Failure}
-import parsley.implicits.character.{charLift, stringLift}
+import parsley.syntax.character.{charLift, stringLift}
 import parsley.cats.combinator._
 import cats.data.NonEmptyList
 
diff --git a/project/build.properties b/project/build.properties
index 46e43a9..abbbce5 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 8ec63cf..1d89b12 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,23 +1,16 @@
-val sbtTypelevelVersion = "0.4.19"
+val sbtTypelevelVersion = "0.6.5"
 
 libraryDependencySchemes ++= Seq(
   "org.scala-native" % "sbt-scala-native" % VersionScheme.Always,
   "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always,
 )
 
-//addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion) // disabled because I don't want headers and formatting checks
-addSbtPlugin("org.typelevel" % "sbt-typelevel-settings" % sbtTypelevelVersion)
-addSbtPlugin("org.typelevel" % "sbt-typelevel-ci-release" % sbtTypelevelVersion)
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)
 
-// Cross Project Setup
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.2.0")
-addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.2.0")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.11.0")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.8")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.2")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
 
-// Other
-// This is here purely to enable the niceness settings
-addSbtPlugin("ch.epfl.scala" % "sbt-bloop" % "1.4.8")
 addSbtPlugin("com.beautiful-scala" % "sbt-scalastyle" % "1.5.1")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.5")
+addSbtPlugin("org.jmotor.sbt" % "sbt-dependency-updates" % "1.2.7")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.9")
 addSbtPlugin("com.timushev.sbt" % "sbt-rewarn" % "0.1.3")
diff --git a/scalastyle-config.xml b/scalastyle-config.xml
index c7d339d..45aed07 100644
--- a/scalastyle-config.xml
+++ b/scalastyle-config.xml
@@ -12,15 +12,6 @@
         </parameters>
     </check>
     <check enabled="true"  class="org.scalastyle.file.FileTabChecker" level="warning"/>
-    <check enabled="true" class="org.scalastyle.file.HeaderMatchesChecker" level="warning">
-        <parameters>
-            <parameter name="regex">true</parameter>
-            <parameter name="header"><![CDATA[/\* SPDX-FileCopyrightText: © \d{4} Parsley Cats Contributors <https://github\.com/j-mie6/parsley-cats/graphs/contributors>
- \* SPDX-License-Identifier: BSD-3-Clause
- \*/]]></parameter>
-        </parameters>
-        <customMessage>Each file must have a copyright notice that references the date of the file's creation, acknowledges the contributors, and declares the license.</customMessage>
-    </check>
     <check enabled="true"  class="org.scalastyle.file.NewLineAtEofChecker" level="warning"/>
     <check enabled="false" class="org.scalastyle.file.NoNewLineAtEofChecker" level="warning"/>
     <check enabled="false" class="org.scalastyle.file.RegexChecker" level="warning"/>
@@ -101,7 +92,6 @@
             <parameter name="groups">java,scala,cats,parsley,parsley.internal,others</parameter>
             <parameter name="group.java">javax?\..+</parameter>
             <parameter name="group.scala">scala\..+</parameter>
-            <parameter name="group.cats">cats\..+</parameter>
             <parameter name="group.parsley">parsley\.(?!internal).+</parameter>
             <parameter name="group.parsley.internal">parsley\.internal\..+</parameter>
             <parameter name="group.others">.+</parameter>