diff --git a/.circleci/config.yml b/.circleci/config.yml
index f63a269e..0eb63298 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,14 +4,15 @@
 
 version: 2.1
 jobs:
-  compile:
+
+  check:
     docker: [{ image: 'cimg/openjdk:11.0.10-node' }]
     resource_class: large
     environment:
       CIRCLE_TEST_REPORTS: /home/circleci/junit
       CIRCLE_ARTIFACTS: /home/circleci/artifacts
       GRADLE_OPTS: -Dorg.gradle.workers.max=2 -Dorg.gradle.jvmargs='-Xmx2g --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED'
-      _JAVA_OPTIONS: -XX:ActiveProcessorCount=4 -XX:MaxRAM=8g -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
+      _JAVA_OPTIONS: -XX:ActiveProcessorCount=4 -XX:MaxRAM=8g -XX:+CrashOnOutOfMemoryError -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
     steps:
       - checkout
       - run:
@@ -38,58 +39,23 @@ jobs:
 
             echo "Detected tag build, deleting all tags except '$CIRCLE_TAG' which point to HEAD: [${TAGS_TO_DELETE/$'\n'/,}]"
             echo "$TAGS_TO_DELETE" | while read -r TAG; do git tag -d "$TAG" 1>/dev/null; done
-      - restore_cache: { key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
-      - restore_cache: { key: 'compile-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
-      - run: ./gradlew --parallel --stacktrace classes testClasses -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
-      - save_cache:
-          key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}'
-          paths: [ ~/.gradle/wrapper ]
-      - save_cache:
-          key: 'compile-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
-          paths: [ ~/.gradle/caches ]
-      - store_test_results: { path: ~/junit }
-      - store_artifacts: { path: ~/artifacts }
+      - restore_cache: { key: 'gradle-wrapper-v1-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
+      - restore_cache: { key: 'check-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
+      - run:
+          name: check-setup
+          command: |
+            if [ -x .circleci/check-setup.sh ]; then
+                echo "Running check-setup" && .circleci/check-setup.sh && echo "check-setup complete"
+            fi
+      - run: ./gradlew --parallel --stacktrace --continue --max-workers=2 check -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
       - persist_to_workspace:
           root: /home/circleci
-          paths: [ project, .gradle/init.gradle ]
-
-  check:
-    docker: [{ image: 'cimg/openjdk:11.0.10-node' }]
-    resource_class: medium
-    environment:
-      CIRCLE_TEST_REPORTS: /home/circleci/junit
-      CIRCLE_ARTIFACTS: /home/circleci/artifacts
-      GRADLE_OPTS: -Dorg.gradle.workers.max=1 -Dorg.gradle.jvmargs='-Xmx2g --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED'
-      _JAVA_OPTIONS: -XX:ActiveProcessorCount=2 -XX:MaxRAM=4g -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
-    steps:
-      - attach_workspace: { at: /home/circleci }
-      - restore_cache: { key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
-      - restore_cache: { key: 'check-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
-      - run: ./gradlew --parallel --stacktrace --continue check idea -x test -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
+          paths: [ project ]
       - save_cache:
-          key: 'check-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
-          paths: [ ~/.gradle/caches ]
-      - run:
-          command: mkdir -p ~/junit && find . -type f -regex ".*/build/.*TEST.*xml" -exec cp --parents {} ~/junit/ \;
-          when: always
-      - store_test_results: { path: ~/junit }
-      - store_artifacts: { path: ~/artifacts }
-
-  unit-test:
-    docker: [{ image: 'cimg/openjdk:11.0.10-node' }]
-    resource_class: large
-    environment:
-      CIRCLE_TEST_REPORTS: /home/circleci/junit
-      CIRCLE_ARTIFACTS: /home/circleci/artifacts
-      GRADLE_OPTS: -Dorg.gradle.workers.max=2 -Dorg.gradle.jvmargs='-Xmx2g --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED'
-      _JAVA_OPTIONS: -XX:ActiveProcessorCount=4 -XX:MaxRAM=8g -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
-    steps:
-      - attach_workspace: { at: /home/circleci }
-      - restore_cache: { key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
-      - restore_cache: { key: 'unit-test-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
-      - run: ./gradlew --parallel --stacktrace --continue --max-workers=2 test -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
+          key: 'gradle-wrapper-v1-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}'
+          paths: [ ~/.gradle/wrapper ]
       - save_cache:
-          key: 'unit-test-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
+          key: 'check-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
           paths: [ ~/.gradle/caches ]
       - run:
           command: mkdir -p ~/junit && find . -type f -regex ".*/build/.*TEST.*xml" -exec cp --parents {} ~/junit/ \;
@@ -104,17 +70,41 @@ jobs:
       CIRCLE_TEST_REPORTS: /home/circleci/junit
       CIRCLE_ARTIFACTS: /home/circleci/artifacts
       GRADLE_OPTS: -Dorg.gradle.workers.max=1 -Dorg.gradle.jvmargs='-Xmx2g --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED'
-      _JAVA_OPTIONS: -XX:ActiveProcessorCount=2 -XX:MaxRAM=4g -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
+      _JAVA_OPTIONS: -XX:ActiveProcessorCount=2 -XX:MaxRAM=4g -XX:+CrashOnOutOfMemoryError -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
     steps:
-      - attach_workspace: { at: /home/circleci }
-      - restore_cache: { key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
-      - restore_cache: { key: 'trial-publish-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
+      - checkout
+      - run:
+          name: delete_unrelated_tags
+          command: |
+            ALL_TAGS=$(git tag --points-at HEAD)
+
+            if [ -z "$ALL_TAGS" ]; then
+                echo "No-op as there are no tags on the current commit ($(git rev-parse HEAD))"
+                exit 0
+            fi
+
+            if [ -z "${CIRCLE_TAG:+x}" ]; then
+                echo "Non-tag build, deleting all tags which point to HEAD: [${ALL_TAGS/$'\n'/,}]"
+                echo "$ALL_TAGS" | while read -r TAG; do git tag -d "$TAG" 1>/dev/null; done
+                exit 0
+            fi
+
+            TAGS_TO_DELETE=$(echo "$ALL_TAGS" | grep -v "^$CIRCLE_TAG$" || :)
+            if [ -z "$TAGS_TO_DELETE" ]; then
+                echo "No-op as exactly one tag ($CIRCLE_TAG) points to HEAD"
+                exit 0
+            fi
+
+            echo "Detected tag build, deleting all tags except '$CIRCLE_TAG' which point to HEAD: [${TAGS_TO_DELETE/$'\n'/,}]"
+            echo "$TAGS_TO_DELETE" | while read -r TAG; do git tag -d "$TAG" 1>/dev/null; done
+      - restore_cache: { key: 'gradle-wrapper-v1-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
+      - restore_cache: { key: 'trial-publish-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
       - run: ./gradlew --stacktrace publishToMavenLocal -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
       - run:
           command: git status --porcelain
           when: always
       - save_cache:
-          key: 'trial-publish-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
+          key: 'trial-publish-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
           paths: [ ~/.gradle/caches ]
       - store_test_results: { path: ~/junit }
       - store_artifacts: { path: ~/artifacts }
@@ -126,18 +116,18 @@ jobs:
       CIRCLE_TEST_REPORTS: /home/circleci/junit
       CIRCLE_ARTIFACTS: /home/circleci/artifacts
       GRADLE_OPTS: -Dorg.gradle.workers.max=1 -Dorg.gradle.jvmargs='-Xmx2g --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED'
-      _JAVA_OPTIONS: -XX:ActiveProcessorCount=2 -XX:MaxRAM=4g -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
+      _JAVA_OPTIONS: -XX:ActiveProcessorCount=2 -XX:MaxRAM=4g -XX:+CrashOnOutOfMemoryError -XX:ErrorFile=/home/circleci/artifacts/hs_err_pid%p.log -XX:HeapDumpPath=/home/circleci/artifacts
     steps:
       - attach_workspace: { at: /home/circleci }
-      - restore_cache: { key: 'gradle-wrapper-v2-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
-      - restore_cache: { key: 'publish-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
+      - restore_cache: { key: 'gradle-wrapper-v1-{{ checksum "gradle/wrapper/gradle-wrapper.properties" }}' }
+      - restore_cache: { key: 'publish-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}' }
       - deploy:
           command: ./gradlew --parallel --stacktrace --continue publish -Porg.gradle.java.installations.fromEnv=JAVA_8_HOME,JAVA_11_HOME,JAVA_15_HOME,JAVA_17_HOME,JAVA_HOME
       - run:
           command: git status --porcelain
           when: always
       - save_cache:
-          key: 'publish-gradle-cache-v2-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
+          key: 'publish-gradle-cache-v1-{{ checksum "versions.props" }}-{{ checksum "build.gradle" }}'
           paths: [ ~/.gradle/caches ]
       - store_test_results: { path: ~/junit }
       - store_artifacts: { path: ~/artifacts }
@@ -147,21 +137,12 @@ workflows:
   version: 2
   build:
     jobs:
-      - compile:
-          filters: { tags: { only: /.*/ } }
-
-      - unit-test:
-          requires: [ compile ]
-          filters: { tags: { only: /.*/ } }
-
       - check:
-          requires: [ compile ]
           filters: { tags: { only: /.*/ } }
 
       - trial-publish:
-          requires: [ compile ]
           filters: { branches: { ignore: develop } }
 
       - publish:
-          requires: [ unit-test, check, trial-publish ]
+          requires: [ check, trial-publish ]
           filters: { tags: { only: /.*/ }, branches: { only: develop } }