diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9a687f03683..f22bff0f71b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -449,6 +449,10 @@ jobs:
     steps:
       - setup_remote_docker
       - checkout
+      - git_fetch_all_tags
+      - run: git submodule sync
+      - run: git submodule update --init
+
       - docker/check:
           docker-username: DOCKERHUB_USERNAME
           docker-password: DOCKERHUB_PASSWORD
diff --git a/.circleci/template.yml b/.circleci/template.yml
index 38057866f2b..857f8f44242 100644
--- a/.circleci/template.yml
+++ b/.circleci/template.yml
@@ -449,6 +449,10 @@ jobs:
     steps:
       - setup_remote_docker
       - checkout
+      - git_fetch_all_tags
+      - run: git submodule sync
+      - run: git submodule update --init
+
       - docker/check:
           docker-username: DOCKERHUB_USERNAME
           docker-password: DOCKERHUB_PASSWORD
diff --git a/.gitignore b/.gitignore
index 5ff2726f286..2e9dcd0ffd0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,3 @@
-/AppDir
-/appimage-builder-cache
-*.AppImage
 /lotus
 /lotus-miner
 /lotus-worker
@@ -50,3 +47,8 @@ build/builtin-actors/v*
 build/builtin-actors/*.car
 
 dist/
+
+
+# The following files are checked into git and result
+# in dirty git state if removed from the docker context
+!extern/filecoin-ffi/rust/filecoin.pc
diff --git a/AppDir/usr/share/icons/icon.svg b/AppDir/usr/share/icons/icon.svg
deleted file mode 100644
index da992296a1a..00000000000
--- a/AppDir/usr/share/icons/icon.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0" viewBox="0 0 127 127" xml:space="preserve" enable-background="new 0 0 127 127"><style type="text/css">.st0{fill:#00d2d6}.st1{fill:#fff}</style><g><path class="st0" d="M63.5,127C28.5,127.1-0.2,98.4,0,63.2C0.2,28.3,28.6-0.2,63.9,0c34.8,0.2,63.3,28.7,63.1,64 C126.7,98.7,98.5,127.1,63.5,127z M71.4,57.6c5.5,0.8,11,1.5,16.5,2.3c0.5-1.7,0.9-3.1,1.3-4.7c-5.7-0.8-11.2-1.7-17.1-2.5 c2-7,3.7-13.7,5.8-20.2c0.7-2.2,2.3-4.2,3.9-5.9c2.1-2.2,5-1.7,6.8,0.7c0.7,1,1.4,2.1,2.3,2.9c1.1,1.1,2.8,1.6,4,0.6 c0.8-0.7,0.7-2.4,0.8-3.6c0-0.5-0.6-1.1-1-1.6c-2-2.3-4.7-3.1-7.5-3.2c-6.3-0.3-10.9,3-14.5,7.8c-3.5,4.8-5.1,10.5-6.8,16.2 c-0.5,1.6-0.9,3.3-1.4,5.1c-6.2-0.9-12.1-1.7-18.2-2.6c-0.2,1.6-0.4,3.2-0.6,4.8c6,0.9,11.8,1.8,17.8,2.7c-0.8,3.4-1.5,6.5-2.3,9.7 c-5.8-0.8-11.4-1.6-17-2.4c-0.2,1.8-0.4,3.2-0.6,4.8c5.6,0.9,11,1.7,16.5,2.5c0,0.6,0.1,1,0,1.3c-1.7,7.4-3.4,14.8-5.3,22.2 c-0.9,3.5-2.4,6.9-5.3,9.3c-2.4,2-5,1.7-6.8-0.8c-0.8-1.1-1.5-2.5-2.6-3.3c-0.8-0.6-2.5-0.9-3.1-0.5c-0.9,0.7-1.5,2.2-1.4,3.3 c0.1,1,1,2.2,1.9,2.8c3,2.3,6.5,2.6,10,1.9c5.9-1.2,10.1-4.9,12.7-10.1c2-4.1,3.6-8.5,5-12.9c1.3-4,2.2-8,3.3-12.2 c5.8,0.8,11.5,1.7,17.3,2.5c0.5-1.7,0.9-3.2,1.4-4.8c-6.1-0.9-11.9-1.7-17.7-2.6C70.1,64,70.7,60.9,71.4,57.6z"/><path class="st1" d="M71.4,57.6c-0.7,3.3-1.3,6.4-2,9.8c5.9,0.9,11.7,1.7,17.7,2.6c-0.5,1.6-0.9,3.1-1.4,4.8 c-5.8-0.8-11.5-1.7-17.3-2.5c-1.1,4.2-2,8.3-3.3,12.2c-1.4,4.4-3,8.7-5,12.9c-2.6,5.2-6.8,8.9-12.7,10.1c-3.5,0.7-7,0.4-10-1.9 c-0.9-0.7-1.8-1.8-1.9-2.8c-0.1-1.1,0.5-2.7,1.4-3.3c0.6-0.5,2.3-0.1,3.1,0.5c1.1,0.8,1.8,2.1,2.6,3.3c1.8,2.5,4.4,2.9,6.8,0.8 c2.9-2.5,4.4-5.8,5.3-9.3c1.9-7.3,3.6-14.8,5.3-22.2c0.1-0.3,0-0.7,0-1.3c-5.4-0.8-10.8-1.7-16.5-2.5c0.2-1.6,0.4-3,0.6-4.8 c5.6,0.8,11.1,1.6,17,2.4c0.8-3.2,1.5-6.4,2.3-9.7c-6-0.9-11.7-1.8-17.8-2.7c0.2-1.6,0.4-3.2,0.6-4.8c6.1,0.9,12,1.7,18.2,2.6 c0.5-1.8,0.9-3.5,1.4-5.1c1.7-5.6,3.2-11.3,6.8-16.2c3.6-4.9,8.1-8.1,14.5-7.8c2.8,0.1,5.5,0.9,7.5,3.2c0.4,0.5,1,1.1,1,1.6 c-0.1,1.2,0,2.9-0.8,3.6c-1.1,1.1-2.8,0.5-4-0.6c-0.9-0.9-1.6-1.9-2.3-2.9c-1.8-2.4-4.7-2.9-6.8-0.7c-1.6,1.7-3.2,3.7-3.9,5.9 C75.7,39.4,74,46,72,53c5.9,0.9,11.4,1.7,17.1,2.5c-0.5,1.6-0.9,3.1-1.3,4.7C82.3,59.1,76.9,58.3,71.4,57.6z"/></g></svg>
\ No newline at end of file
diff --git a/AppImageBuilder.yml b/AppImageBuilder.yml
deleted file mode 100644
index 4f1f56bbb26..00000000000
--- a/AppImageBuilder.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-version: 1
-AppDir:
-  path: ./AppDir
-  app_info:
-    id: io.filecoin.lotus
-    name: Lotus
-    icon: icon
-    version: latest
-    exec: usr/bin/lotus
-    exec_args: $@
-  apt:
-    arch: amd64
-    allow_unauthenticated: true
-    sources:
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal main restricted
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal universe
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal-updates universe
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal multiverse
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal-updates multiverse
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted
-        universe multiverse
-    - sourceline: deb http://security.ubuntu.com/ubuntu focal-security main restricted
-    - sourceline: deb http://security.ubuntu.com/ubuntu focal-security universe
-    - sourceline: deb http://security.ubuntu.com/ubuntu focal-security multiverse
-    - sourceline: deb https://cli-assets.heroku.com/apt ./
-    - sourceline: deb http://ppa.launchpad.net/openjdk-r/ppa/ubuntu focal main
-    - sourceline: deb http://ppa.launchpad.net/git-core/ppa/ubuntu focal main
-    - sourceline: deb http://archive.canonical.com/ubuntu focal partner
-    include:
-    - ocl-icd-libopencl1
-    - libhwloc15
-    exclude: []
-  files:
-    include:
-    - /usr/lib/x86_64-linux-gnu/libgcc_s.so.1
-    - /usr/lib/x86_64-linux-gnu/libpthread-2.31.so
-    - /usr/lib/x86_64-linux-gnu/libm-2.31.so
-    - /usr/lib/x86_64-linux-gnu/libdl-2.31.so
-    - /usr/lib/x86_64-linux-gnu/libc-2.31.so
-    - /usr/lib/x86_64-linux-gnu/libudev.so.1.6.17
-    exclude:
-    - usr/share/man
-    - usr/share/doc/*/README.*
-    - usr/share/doc/*/changelog.*
-    - usr/share/doc/*/NEWS.*
-    - usr/share/doc/*/TODO.*
-  test:
-    fedora:
-      image: appimagecrafters/tests-env:fedora-30
-      command: ./AppRun
-      use_host_x: false
-    debian:
-      image: appimagecrafters/tests-env:debian-stable
-      command: ./AppRun
-      use_host_x: false
-    arch:
-      image: appimagecrafters/tests-env:archlinux-latest
-      command: ./AppRun
-      use_host_x: false
-    centos:
-      image: appimagecrafters/tests-env:centos-7
-      command: ./AppRun
-      use_host_x: false
-    ubuntu:
-      image: appimagecrafters/tests-env:ubuntu-xenial
-      command: ./AppRun
-      use_host_x: false
-AppImage:
-  arch: x86_64
-
diff --git a/Dockerfile b/Dockerfile
index 5c147e930d0..81089517b5c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,8 @@ RUN set -eux; \
 COPY ./ /opt/filecoin
 WORKDIR /opt/filecoin
 
+RUN scripts/docker-git-state-check.sh
+
 ### make configurable filecoin-ffi build
 ARG FFI_BUILD_FROM_SOURCE=0
 ENV FFI_BUILD_FROM_SOURCE=${FFI_BUILD_FROM_SOURCE}
diff --git a/scripts/docker-git-state-check.sh b/scripts/docker-git-state-check.sh
new file mode 100755
index 00000000000..6075ebf843c
--- /dev/null
+++ b/scripts/docker-git-state-check.sh
@@ -0,0 +1,12 @@
+set -e
+
+if [ -z "$(git status --porcelain)" ]; then
+  echo "PASSED: Working directory clean"
+else
+  echo "FAILED: Working directory not clean."
+  echo "This is likely because the .dockerignore file has removed something checked into git."
+  echo "Add the missing files listed below to the .dockerignore to fix this issue:"
+  echo "$(git status)"
+  exit 1
+fi
+
diff --git a/snap/local/icon.svg b/snap/local/icon.svg
deleted file mode 100644
index da992296a1a..00000000000
--- a/snap/local/icon.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0" viewBox="0 0 127 127" xml:space="preserve" enable-background="new 0 0 127 127"><style type="text/css">.st0{fill:#00d2d6}.st1{fill:#fff}</style><g><path class="st0" d="M63.5,127C28.5,127.1-0.2,98.4,0,63.2C0.2,28.3,28.6-0.2,63.9,0c34.8,0.2,63.3,28.7,63.1,64 C126.7,98.7,98.5,127.1,63.5,127z M71.4,57.6c5.5,0.8,11,1.5,16.5,2.3c0.5-1.7,0.9-3.1,1.3-4.7c-5.7-0.8-11.2-1.7-17.1-2.5 c2-7,3.7-13.7,5.8-20.2c0.7-2.2,2.3-4.2,3.9-5.9c2.1-2.2,5-1.7,6.8,0.7c0.7,1,1.4,2.1,2.3,2.9c1.1,1.1,2.8,1.6,4,0.6 c0.8-0.7,0.7-2.4,0.8-3.6c0-0.5-0.6-1.1-1-1.6c-2-2.3-4.7-3.1-7.5-3.2c-6.3-0.3-10.9,3-14.5,7.8c-3.5,4.8-5.1,10.5-6.8,16.2 c-0.5,1.6-0.9,3.3-1.4,5.1c-6.2-0.9-12.1-1.7-18.2-2.6c-0.2,1.6-0.4,3.2-0.6,4.8c6,0.9,11.8,1.8,17.8,2.7c-0.8,3.4-1.5,6.5-2.3,9.7 c-5.8-0.8-11.4-1.6-17-2.4c-0.2,1.8-0.4,3.2-0.6,4.8c5.6,0.9,11,1.7,16.5,2.5c0,0.6,0.1,1,0,1.3c-1.7,7.4-3.4,14.8-5.3,22.2 c-0.9,3.5-2.4,6.9-5.3,9.3c-2.4,2-5,1.7-6.8-0.8c-0.8-1.1-1.5-2.5-2.6-3.3c-0.8-0.6-2.5-0.9-3.1-0.5c-0.9,0.7-1.5,2.2-1.4,3.3 c0.1,1,1,2.2,1.9,2.8c3,2.3,6.5,2.6,10,1.9c5.9-1.2,10.1-4.9,12.7-10.1c2-4.1,3.6-8.5,5-12.9c1.3-4,2.2-8,3.3-12.2 c5.8,0.8,11.5,1.7,17.3,2.5c0.5-1.7,0.9-3.2,1.4-4.8c-6.1-0.9-11.9-1.7-17.7-2.6C70.1,64,70.7,60.9,71.4,57.6z"/><path class="st1" d="M71.4,57.6c-0.7,3.3-1.3,6.4-2,9.8c5.9,0.9,11.7,1.7,17.7,2.6c-0.5,1.6-0.9,3.1-1.4,4.8 c-5.8-0.8-11.5-1.7-17.3-2.5c-1.1,4.2-2,8.3-3.3,12.2c-1.4,4.4-3,8.7-5,12.9c-2.6,5.2-6.8,8.9-12.7,10.1c-3.5,0.7-7,0.4-10-1.9 c-0.9-0.7-1.8-1.8-1.9-2.8c-0.1-1.1,0.5-2.7,1.4-3.3c0.6-0.5,2.3-0.1,3.1,0.5c1.1,0.8,1.8,2.1,2.6,3.3c1.8,2.5,4.4,2.9,6.8,0.8 c2.9-2.5,4.4-5.8,5.3-9.3c1.9-7.3,3.6-14.8,5.3-22.2c0.1-0.3,0-0.7,0-1.3c-5.4-0.8-10.8-1.7-16.5-2.5c0.2-1.6,0.4-3,0.6-4.8 c5.6,0.8,11.1,1.6,17,2.4c0.8-3.2,1.5-6.4,2.3-9.7c-6-0.9-11.7-1.8-17.8-2.7c0.2-1.6,0.4-3.2,0.6-4.8c6.1,0.9,12,1.7,18.2,2.6 c0.5-1.8,0.9-3.5,1.4-5.1c1.7-5.6,3.2-11.3,6.8-16.2c3.6-4.9,8.1-8.1,14.5-7.8c2.8,0.1,5.5,0.9,7.5,3.2c0.4,0.5,1,1.1,1,1.6 c-0.1,1.2,0,2.9-0.8,3.6c-1.1,1.1-2.8,0.5-4-0.6c-0.9-0.9-1.6-1.9-2.3-2.9c-1.8-2.4-4.7-2.9-6.8-0.7c-1.6,1.7-3.2,3.7-3.9,5.9 C75.7,39.4,74,46,72,53c5.9,0.9,11.4,1.7,17.1,2.5c-0.5,1.6-0.9,3.1-1.3,4.7C82.3,59.1,76.9,58.3,71.4,57.6z"/></g></svg>
\ No newline at end of file
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
deleted file mode 100644
index 8c7323a2b8e..00000000000
--- a/snap/snapcraft.yaml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: lotus-filecoin
-base: core20
-version: latest
-summary: filecoin daemon/client
-icon: snap/local/icon.svg
-description: |
-  Filecoin is a peer-to-peer network that stores files on the internet
-  with built-in economic incentives to ensure files are stored reliably over time
-
-  For documentation and additional information, please see the following resources
-
-  https://filecoin.io
-
-  https://fil.org
-
-  https://lotus.filecoin.io
-
-  https://github.com/filecoin-project/lotus
-
-confinement: strict
-
-parts:
-  lotus:
-    plugin: make
-    source: ./
-    build-snaps:
-      - go
-      - rustup
-    build-packages:
-      - git
-      - jq
-      - libhwloc-dev
-      - ocl-icd-opencl-dev
-      - pkg-config
-    stage-packages:
-      - libhwloc15
-      - ocl-icd-libopencl1
-    override-build: |
-      LDFLAGS="" make lotus lotus-miner lotus-worker
-      cp lotus lotus-miner lotus-worker $SNAPCRAFT_PART_INSTALL
-      cp scripts/snap-lotus-entrypoint.sh $SNAPCRAFT_PART_INSTALL
-
-layout:
-  /var/lib/lotus:
-    symlink: $SNAP_COMMON/lotus
-  /var/lib/lotus-miner:
-    symlink: $SNAP_COMMON/lotus-miner
-  /var/lib/lotus-worker:
-    symlink: $SNAP_COMMON/lotus-worker
-
-apps:
-  lotus:
-    command: lotus
-    plugs:
-      - network
-      - network-bind
-      - home
-    environment:
-      FIL_PROOFS_PARAMETER_CACHE: $SNAP_USER_COMMON/filecoin-proof-parameters
-      LOTUS_PATH: $SNAP_COMMON/lotus
-      LOTUS_MINER_PATH: $SNAP_COMMON/lotus-miner
-      LOTUS_WORKER_PATH: $SNAP_COMMON/lotus-worker
-  lotus-miner:
-    command: lotus-miner
-    plugs:
-      - network
-      - network-bind
-      - opengl
-    environment:
-      FIL_PROOFS_PARAMETER_CACHE: $SNAP_USER_COMMON/filecoin-proof-parameters
-      LOTUS_PATH: $SNAP_COMMON/lotus
-      LOTUS_MINER_PATH: $SNAP_COMMON/lotus-miner
-      LOTUS_WORKER_PATH: $SNAP_COMMON/lotus-worker
-  lotus-worker:
-    command: lotus-worker
-    plugs:
-      - network
-      - network-bind
-      - opengl
-    environment:
-      FIL_PROOFS_PARAMETER_CACHE: $SNAP_USER_COMMON/filecoin-proof-parameters
-      LOTUS_PATH: $SNAP_COMMON/lotus
-      LOTUS_MINER_PATH: $SNAP_COMMON/lotus-miner
-      LOTUS_WORKER_PATH: $SNAP_COMMON/lotus-worker
-  lotus-daemon:
-    command: snap-lotus-entrypoint.sh
-    daemon: simple
-    install-mode: disable
-    plugs:
-      - network
-      - network-bind
-    environment:
-      FIL_PROOFS_PARAMETER_CACHE: $SNAP_COMMON/filecoin-proof-parameters
-      LOTUS_PATH: $SNAP_COMMON/lotus
-      LOTUS_MINER_PATH: $SNAP_COMMON/lotus-miner
-      LOTUS_WORKER_PATH: $SNAP_COMMON/lotus-worker