diff --git a/.circleci/config.yml b/.circleci/config.yml
index 257ccfaf51..77a1fd036f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -236,7 +236,7 @@ commands:
             mv toolchains/ci_workspaces/WORKSPACE.<< parameters.platform >> WORKSPACE
             bazel query 'kind(cc_*, tests(//tests))' --noshow_progress >> /tmp/test_manifest.txt
             circleci tests split < /tmp/test_manifest.txt > /tmp/node_test_manifest.txt
-            bazel test $(cat /tmp/node_test_manifest.txt) --test_arg=--gtest_output=xml:/tmp/artifacts/test_results/ --jobs 4 --config ci_testing --config pre_cxx11_abi --noshow_progress
+            bazel test $(cat /tmp/node_test_manifest.txt) --test_arg=--gtest_output=xml:/tmp/artifacts/test_results/ --jobs 2 --config ci_testing --config pre_cxx11_abi --noshow_progress
       - run:
           name: Collect logs
           when: on_fail
@@ -265,7 +265,6 @@ commands:
             set -e
             mkdir -p /tmp/artifacts/test_results
             cd tests/py
-            pip3 install -r requirements.txt
             pytest --junitxml=/tmp/artifacts/test_results/api/api_test_results.xml api/
             pytest --junitxml=/tmp/artifacts/test_results/integrations/integrations_test_results.xml integrations/
             cd ~/project
@@ -482,12 +481,20 @@ jobs:
           path: /tmp/dist/nightly
           destination: x86_64-pyt-nightly
 
-  test-core-cpp-x86_64-pyt-release:
+  test-core-cpp-x86_64:
     parameters:
       torch-build:
         type: string
       torch-build-index:
         type: string
+      trt-version-short:
+        type: string
+      trt-version-long:
+        type: string
+      cudnn-version:
+        type: string
+      channel:
+        type: string
     machine:
       image: ubuntu-2004-cuda-11.4:202110-01
     resource_class: gpu.nvidia.large
@@ -497,12 +504,12 @@ jobs:
       - create-env:
           os: "ubuntu2004"
           platform: "x86_64"
-          cudnn-version: << pipeline.parameters.cudnn-release-version >>
-          trt-version-short:  << pipeline.parameters.trt-release-version-short >>
+          cudnn-version: << parameters.cudnn-version >>
+          trt-version-short:  << parameters.trt-version-short >>
           bazel-version: "5.1.1"
           bazel-platform: "x86_64"
       - create-py-env:
-          trt-version-long: << pipeline.parameters.trt-release-version-long >>
+          trt-version-long: << parameters.trt-version-long >>
       - install-torch-from-index:
           torch-build:  << parameters.torch-build >>
           torch-build-index: << parameters.torch-build-index >>
@@ -510,53 +517,62 @@ jobs:
           at: /tmp/dist
       - run:
           name: "Install torch-tensorrt"
-          command: pip3 install /tmp/dist/release/*
+          command: pip3 install /tmp/dist/<< parameters.channel >>/*
       - dump-test-env
       - test-ts-core
 
-  test-ts-py-x86_64-pyt-release:
+  test-py-ts-x86_64:
     parameters:
+      channel:
+        type: string
       torch-build:
         type: string
       torch-build-index:
         type: string
+      trt-version-long:
+        type: string
     machine:
       image: ubuntu-2004-cuda-11.4:202110-01
     resource_class: gpu.nvidia.large
     steps:
       - checkout
       - create-py-env:
-          trt-version-long: << pipeline.parameters.trt-release-version-long >>
-      - install-torch-from-index:
-          torch-build:  << parameters.torch-build >>
-          torch-build-index: << parameters.torch-build-index >>
+          trt-version-long: << parameters.trt-version-long >>
       - attach_workspace:
           at: /tmp/dist
       - run:
           name: "Install torch-tensorrt"
-          command: pip3 install /tmp/dist/release/*
+          command: pip3 install /tmp/dist/<< parameters.channel >>/*
+      # We install torch after torch-trt because pip automatically enforces the version constraint otherwise
+      - install-torch-from-index:
+          torch-build:  << parameters.torch-build >>
+          torch-build-index: << parameters.torch-build-index >>
       - dump-test-env
       - test-ts-py-api
 
-  test-x86_64-pyt-nightly:
+  test-py-fx-x86_64:
     parameters:
+      channel:
+        type: string
       torch-build:
         type: string
       torch-build-index:
         type: string
+      trt-version-long:
+        type: string
     machine:
       image: ubuntu-2004-cuda-11.4:202110-01
     resource_class: gpu.nvidia.large
     steps:
       - checkout
       - create-py-env:
-          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
+          trt-version-long: << parameters.trt-version-long >>
       - attach_workspace:
           at: /tmp/dist/
       - run:
           name: "Install torch-tensorrt"
-          command: pip3 install /tmp/dist/nightly/*
-      # We install torch after torch-trt because pip automatically enforces the version constraint otherwise, swap back after versions are synced
+          command: pip3 install /tmp/dist/<< parameters.channel >>/*
+      # We install torch after torch-trt because pip automatically enforces the version constraint otherwise
       - install-torch-from-index:
           torch-build:  << parameters.torch-build >>
           torch-build-index: << parameters.torch-build-index >>
@@ -573,30 +589,30 @@ parameters:
     default: "https://download.pytorch.org/whl/nightly/cu113"
   cudnn-nightly-version:
     type: string
-    default: "8.2.1"
+    default: "8.4.1"
   trt-nightly-version-short:
     type: string
-    default: "8.2.4"
+    default: "8.4.1"
   trt-nightly-version-long:
     type: string
-    default: "8.2.4.2"
+    default: "8.4.1.5"
 
   # Release platform config
   torch-release-build:
     type: string
-    default: "1.11.0+cu113"
+    default: "1.12.0+cu113"
   torch-release-build-index:
     type: string
     default: "https://download.pytorch.org/whl/cu113"
   cudnn-release-version:
     type: string
-    default: "8.2.1"
+    default: "8.4.1"
   trt-release-version-short:
     type: string
-    default: "8.2.4"
+    default: "8.4.1"
   trt-release-version-long:
     type: string
-    default: "8.2.4.2"
+    default: "8.4.1.5"
 
   # Jetson platform config
   torch-jetson-build:
@@ -632,21 +648,74 @@ workflows:
           jetpack-version: << pipeline.parameters.jetpack-version >>
           python-version: 3.8.10
 
+
+
       - build-x86_64-pyt-release:
           torch-build: << pipeline.parameters.torch-release-build >>
           torch-build-index: << pipeline.parameters.torch-release-build-index >>
-      - test-core-cpp-x86_64-pyt-release:
+
+      - test-core-cpp-x86_64:
+          name: test-core-cpp-x86_64-pyt-release
+          channel: "release"
           torch-build: << pipeline.parameters.torch-release-build >>
           torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-short: << pipeline.parameters.trt-release-version-short >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
+          cudnn-version: << pipeline.parameters.cudnn-release-version >>
           requires:
             - build-x86_64-pyt-release
 
+      - test-py-ts-x86_64:
+          name: test-py-ts-x86_64-pyt-release
+          channel: "release"
+          torch-build: << pipeline.parameters.torch-release-build >>
+          torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
+          requires:
+            - build-x86_64-pyt-release
+
+      - test-py-ts-x86_64:
+          name: test-py-fx-x86_64-pyt-release
+          channel: "release"
+          torch-build: << pipeline.parameters.torch-release-build >>
+          torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
+          requires:
+            - build-x86_64-pyt-release
+
+
+
+
       - build-x86_64-pyt-nightly:
           torch-build: << pipeline.parameters.torch-nightly-build >>
           torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
-      - test-x86_64-pyt-nightly:
+
+      - test-core-cpp-x86_64:
+          name: test-core-cpp-x86_64-pyt-nightly
+          channel: "nightly"
+          torch-build: << pipeline.parameters.torch-nightly-build >>
+          torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-short: << pipeline.parameters.trt-nightly-version-short >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
+          cudnn-version: << pipeline.parameters.cudnn-nightly-version >>
+          requires:
+            - build-x86_64-pyt-nightly
+
+      - test-py-ts-x86_64:
+          name: test-py-ts-x86_64-pyt-nightly
+          channel: "nightly"
           torch-build: << pipeline.parameters.torch-nightly-build >>
           torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
+          requires:
+            - build-x86_64-pyt-nightly
+
+      - test-py-fx-x86_64:
+          name: test-py-fx-x86_64-pyt-nightly
+          channel: "nightly"
+          torch-build: << pipeline.parameters.torch-nightly-build >>
+          torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
           requires:
             - build-x86_64-pyt-nightly
 
@@ -657,26 +726,73 @@ workflows:
           jetpack-version: << pipeline.parameters.jetpack-version >>
           python-version: 3.8.10
 
+
+
       - build-x86_64-pyt-release:
           torch-build: << pipeline.parameters.torch-release-build >>
           torch-build-index: << pipeline.parameters.torch-release-build-index >>
-      - test-core-cpp-x86_64-pyt-release:
+
+      - test-core-cpp-x86_64:
+          name: test-core-cpp-x86_64-pyt-release
+          channel: "release"
+          torch-build: << pipeline.parameters.torch-release-build >>
+          torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-short: << pipeline.parameters.trt-release-version-short >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
+          cudnn-version: << pipeline.parameters.cudnn-release-version >>
+          requires:
+            - build-x86_64-pyt-release
+
+      - test-py-ts-x86_64:
+          name: test-py-ts-x86_64-pyt-release
+          channel: "release"
           torch-build: << pipeline.parameters.torch-release-build >>
           torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
           requires:
             - build-x86_64-pyt-release
-      - test-ts-py-x86_64-pyt-release:
+
+      - test-py-ts-x86_64:
+          name: test-py-fx-x86_64-pyt-release
+          channel: "release"
           torch-build: << pipeline.parameters.torch-release-build >>
           torch-build-index: << pipeline.parameters.torch-release-build-index >>
+          trt-version-long: << pipeline.parameters.trt-release-version-long >>
           requires:
             - build-x86_64-pyt-release
 
+
+
       - build-x86_64-pyt-nightly:
           torch-build: << pipeline.parameters.torch-nightly-build >>
           torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
-      - test-x86_64-pyt-nightly:
+
+      - test-core-cpp-x86_64:
+          name: test-core-cpp-x86_64-pyt-nightly
+          channel: "nightly"
           torch-build: << pipeline.parameters.torch-nightly-build >>
           torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-short: << pipeline.parameters.trt-nightly-version-short >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
+          cudnn-version: << pipeline.parameters.cudnn-nightly-version >>
+          requires:
+            - build-x86_64-pyt-nightly
+
+      - test-py-ts-x86_64:
+          name: test-py-ts-x86_64-pyt-nightly
+          channel: "nightly"
+          torch-build: << pipeline.parameters.torch-nightly-build >>
+          torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
+          requires:
+            - build-x86_64-pyt-nightly
+
+      - test-py-fx-x86_64:
+          name: test-py-fx-x86_64-pyt-nightly
+          channel: "nightly"
+          torch-build: << pipeline.parameters.torch-nightly-build >>
+          torch-build-index: << pipeline.parameters.torch-nightly-build-index >>
+          trt-version-long: << pipeline.parameters.trt-nightly-version-long >>
           requires:
             - build-x86_64-pyt-nightly
 
diff --git a/py/setup.py b/py/setup.py
index a9913084ec..f11e348b02 100644
--- a/py/setup.py
+++ b/py/setup.py
@@ -22,9 +22,13 @@
 
 JETPACK_VERSION = None
 
-__version__ = '1.2.0a0'
 FX_ONLY = False
 
+__version__ = '1.2.0a0'
+__cuda_version__ = '11.3'
+__cudnn_version__ = '8.2'
+__tensorrt_version__ = '8.2'
+
 def get_git_revision_short_hash() -> str:
     return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode('ascii').strip()
 
@@ -51,8 +55,10 @@ def get_git_revision_short_hash() -> str:
             JETPACK_VERSION = "4.5"
         elif version == "4.6":
             JETPACK_VERSION = "4.6"
+        elif version == "5.0":
+            JETPACK_VERSION = "4.6"
     if not JETPACK_VERSION:
-        warnings.warn("Assuming jetpack version to be 4.6, if not use the --jetpack-version option")
+        warnings.warn("Assuming jetpack version to be 4.6 or greater, if not use the --jetpack-version option")
         JETPACK_VERSION = "4.6"
 
 
@@ -103,7 +109,7 @@ def build_libtorchtrt_pre_cxx11_abi(develop=True, use_dist_dir=True, cxx11_abi=F
         print("Jetpack version: 4.5")
     elif JETPACK_VERSION == "4.6":
         cmd.append("--platforms=//toolchains:jetpack_4.6")
-        print("Jetpack version: 4.6")
+        print("Jetpack version: >=4.6")
 
     print("building libtorchtrt")
     status_code = subprocess.run(cmd).returncode
@@ -118,7 +124,10 @@ def gen_version_file():
 
     with open(dir_path + '/torch_tensorrt/_version.py', 'w') as f:
         print("creating version file")
-        f.write("__version__ = \"" + __version__ + '\"')
+        f.write("__version__ = \"" + __version__ + '\"\n')
+        f.write("__cuda_version__ = \"" + __cuda_version__ + '\"\n')
+        f.write("__cudnn_version__ = \"" + __cudnn_version__ + '\"\n')
+        f.write("__tensorrt_version__ = \"" + __tensorrt_version__ + '\"\n')
 
 
 def copy_libtorchtrt(multilinux=False):
@@ -299,7 +308,7 @@ def run(self):
     long_description=long_description,
     ext_modules=ext_modules,
     install_requires=[
-        'torch>=1.11.0+cu113,<1.12.0',
+        'torch>=1.12.0+cu113,<1.13.0',
     ],
     setup_requires=[],
     cmdclass={
diff --git a/py/torch_tensorrt/__init__.py b/py/torch_tensorrt/__init__.py
index 5bf7e0e334..59705c3c1f 100644
--- a/py/torch_tensorrt/__init__.py
+++ b/py/torch_tensorrt/__init__.py
@@ -1,13 +1,87 @@
+import ctypes
+import glob
 import os
 import sys
+import platform
+import warnings
+from torch_tensorrt._version import __version__, __cuda_version__, __cudnn_version__, __tensorrt_version__
+
 
 if sys.version_info < (3,):
     raise Exception("Python 2 has reached end-of-life and is not supported by Torch-TensorRT")
 
-import ctypes
+def _parse_semver(version):
+    split = version.split(".")
+    if len(split) < 3:
+        split.append("")
+
+    return {
+        "major": split[0],
+        "minor": split[1],
+        "patch": split[2]
+    }
+
+def _find_lib(name, paths):
+    for path in paths:
+        libpath = os.path.join(path, name)
+        if os.path.isfile(libpath):
+            return libpath
+
+    raise FileNotFoundError(
+        f"Could not find {name}\n  Search paths: {paths}"
+    )
+
+try:
+    import tensorrt
+except:
+    cuda_version = _parse_semver(__cuda_version__)
+    cudnn_version = _parse_semver(__cudnn_version__)
+    tensorrt_version = _parse_semver(__tensorrt_version__)
+
+    CUDA_MAJOR = cuda_version["major"]
+    CUDNN_MAJOR = cudnn_version["major"]
+    TENSORRT_MAJOR = tensorrt_version["major"]
+
+    if sys.platform.startswith("win"):
+        WIN_LIBS = [
+            "nvinfer.dll",
+            "nvinfer_plugin.dll",
+        ]
+
+        WIN_PATHS = os.environ["PATH"].split(os.path.pathsep)
+
+
+        for lib in WIN_LIBS:
+            ctypes.CDLL(_find_lib(lib, WIN_PATHS))
+
+    elif sys.platform.startswith("linux"):
+        LINUX_PATHS = [
+            "/usr/local/cuda/lib64",
+        ]
+
+        if "LD_LIBRARY_PATH" in os.environ:
+            LINUX_PATHS += os.environ["LD_LIBRARY_PATH"].split(os.path.pathsep)
+
+        if platform.uname().processor == "x86_64":
+            LINUX_PATHS += [
+                "/usr/lib/x86_64-linux-gnu",
+            ]
+
+        elif platform.uname().processor == "aarch64":
+            LINUX_PATHS += [
+                "/usr/lib/aarch64-linux-gnu"
+            ]
+
+        LINUX_LIBS = [
+            f"libnvinfer.so.{TENSORRT_MAJOR}",
+            f"libnvinfer_plugin.so.{TENSORRT_MAJOR}",
+        ]
+
+        for lib in LINUX_LIBS:
+            ctypes.CDLL(_find_lib(lib, LINUX_PATHS))
+
 import torch
 
-from torch_tensorrt._version import __version__
 from torch_tensorrt._compile import *
 from torch_tensorrt._util import *
 from torch_tensorrt import ts
diff --git a/py/torch_tensorrt/_compile.py b/py/torch_tensorrt/_compile.py
index c6550ae7c7..b0eb8f3b97 100644
--- a/py/torch_tensorrt/_compile.py
+++ b/py/torch_tensorrt/_compile.py
@@ -5,9 +5,9 @@
 import torch
 import torch.fx
 from enum import Enum
-import torch_tensorrt.fx
-from torch_tensorrt.fx.lower import lower_to_trt
-from torch_tensorrt.fx.utils import LowerPrecision
+#import torch_tensorrt.fx
+#from torch_tensorrt.fx.lower import lower_to_trt
+#from torch_tensorrt.fx.utils import LowerPrecision
 
 class _IRType(Enum):
     """Enum to set the minimum required logging level to print a message to stdout