diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 02802948a..9d7b90d77 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,10 +11,10 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-    target-branch: "release/21.0.x"
+    target-branch: "release/22.0.x"
 
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
-    target-branch: "release/22.0.x"
+    target-branch: "release/22.1.x"
diff --git a/.github/eosjs-ci/Dockerfile b/.github/eosjs-ci/Dockerfile
index c04e22d12..a2bcf73ad 100644
--- a/.github/eosjs-ci/Dockerfile
+++ b/.github/eosjs-ci/Dockerfile
@@ -10,52 +10,31 @@ WORKDIR /root
 RUN apt-get update \
  && apt-get install -yq curl git
 
-RUN if [ "$CDTBRANCH" = "release_1.7.x" ]; then \
- git clone https://github.com/EOSIO/tropical-example-web-app \
- && mkdir -p /root/contracts/eosio.bios_v1.8.3 && mv ./tropical-example-web-app/eosio/contracts/eosio.bios-v1.8.3/* /root/contracts/eosio.bios_v1.8.3/ \
-
- && git clone https://github.com/EOSIO/eos \
- && cd eos \
- && git checkout v2.0.12 \
- && mkdir -p /root/contracts/eosio.bios/ && mv ./unittests/contracts/eosio.bios/* /root/contracts/eosio.bios/ \
- && mkdir -p /root/contracts/eosio.system/ && mv ./unittests/contracts/eosio.system/* /root/contracts/eosio.system/ \
- && mkdir -p /root/contracts/eosio.msig/ && mv ./unittests/contracts/eosio.msig/* /root/contracts/eosio.msig/ \
- && mkdir -p /root/contracts/eosio.token/ && mv ./unittests/contracts/eosio.token/* /root/contracts/eosio.token/ \
- ; fi
-
-RUN if [ "$CDTBRANCH" = "release_1.8.x" ] || [ "$CDTBRANCH" = "develop" ]; then \
- git clone https://github.com/EOSIO/eos \
+RUN git clone https://github.com/EOSIO/eos \
  && cd eos \
  && git checkout develop \
  && mkdir -p /root/contracts/eosio.bios/ && mv ./contracts/contracts/eosio.bios/bin/* /root/contracts/eosio.bios/ \
  && mkdir -p /root/contracts/eosio.boot/ && mv ./contracts/contracts/eosio.boot/bin/* /root/contracts/eosio.boot/ \
  && mkdir -p /root/contracts/eosio.system/ && mv ./unittests/contracts/eosio.system/* /root/contracts/eosio.system/ \
  && mkdir -p /root/contracts/eosio.msig/ && mv ./unittests/contracts/eosio.msig/* /root/contracts/eosio.msig/ \
- && mkdir -p /root/contracts/eosio.token/ && mv ./unittests/contracts/eosio.token/* /root/contracts/eosio.token/ \
- ; fi
+ && mkdir -p /root/contracts/eosio.token/ && mv ./unittests/contracts/eosio.token/* /root/contracts/eosio.token/
 
-RUN if [ "$CDTBRANCH" = "develop" ]; then \
- git clone https://github.com/EOSIO/eosio.cdt \
+RUN git clone https://github.com/EOSIO/eosio.cdt \
  && cd eosio.cdt \
  && git checkout develop \
  && mkdir -p build/read_only_query_tests/ \
  && eosio-cpp -abigen ./tests/unit/test_contracts/read_only_query_tests.cpp -o ./build/read_only_query_tests/read_only_query_tests.wasm \
- && mkdir -p /root/contracts/read_only_query_tests/ && mv ./build/read_only_query_tests/* /root/contracts/read_only_query_tests/ \
- ; fi
+ && mkdir -p /root/contracts/read_only_query_tests/ && mv ./build/read_only_query_tests/* /root/contracts/read_only_query_tests/
 
-RUN if [ "$CDTBRANCH" = "release_1.8.x" ] || [ "$CDTBRANCH" = "develop" ]; then \
- git clone https://github.com/EOSIO/key-value-example-app.git \
+RUN git clone https://github.com/EOSIO/key-value-example-app.git \
  && cd key-value-example-app \
  && eosio-cpp -abigen ./contracts/kv_todo/src/kv_todo.cpp -o ./contracts/kv_todo/build/kv_todo.wasm -R ./contracts/kv_todo/ricardian/ -I ./contracts/kv_todo/include/ \
- && mkdir -p /root/contracts/kv_todo/ && mv ./contracts/kv_todo/build/* /root/contracts/kv_todo/ \
- ; fi
+ && mkdir -p /root/contracts/kv_todo/ && mv ./contracts/kv_todo/build/* /root/contracts/kv_todo/
 
-RUN if [ "$CDTBRANCH" = "release_1.8.x" ] || [ "$CDTBRANCH" = "develop" ]; then \
- git clone https://github.com/EOSIO/return-values-example-app.git \
+RUN git clone https://github.com/EOSIO/return-values-example-app.git \
  && cd return-values-example-app \
  && eosio-cpp -abigen ./contracts/action_return_value/src/action_return_value.cpp -o ./contracts/action_return_value/build/action_return_value.wasm -R ./contracts/action_return_value/ricardian/ \
- && mkdir -p /root/contracts/action_return_value/ && mv ./contracts/action_return_value/build/* /root/contracts/action_return_value/ \
- ; fi
+ && mkdir -p /root/contracts/action_return_value/ && mv ./contracts/action_return_value/build/* /root/contracts/action_return_value/
 
 RUN mkdir cfhello
 COPY ./contracts/cfhello.cpp /root/cfhello
diff --git a/.github/eosjs-ci/scripts/deploy_contracts.sh b/.github/eosjs-ci/scripts/deploy_contracts.sh
index 38d3264de..3fdeef8bc 100644
--- a/.github/eosjs-ci/scripts/deploy_contracts.sh
+++ b/.github/eosjs-ci/scripts/deploy_contracts.sh
@@ -169,36 +169,16 @@ cleos create account cfhello cfactor $CFACTOR_PUBLIC_KEY
 # preactivate concensus upgrades
 post_preactivate
 
-if [ $EOSBRANCH = "release_2.0.x" ]; then
-  sleep 1s
-  setabi eosio $CONTRACTS_DIR/eosio.bios_v1.8.3/eosio.bios.abi
-  setcode eosio $CONTRACTS_DIR/eosio.bios_v1.8.3/eosio.bios.wasm
-
-  sleep 1s
-  activate_feature "299dcb6af692324b899b39f16d5a530a33062804e41f09dc97e9f156b4476707"
-
-  sleep 1s
-  setabi eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.abi
-  setcode eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.wasm
-
-  sleep 1s
-fi
-
-if [ $EOSBRANCH = "release_2.1.x" ] || [ $EOSBRANCH = "develop" ]; then
-  sleep 1s
-  setabi eosio $CONTRACTS_DIR/eosio.boot/eosio.boot.abi
-  setcode eosio $CONTRACTS_DIR/eosio.boot/eosio.boot.wasm
-
-  sleep 1s
-  activate_feature "299dcb6af692324b899b39f16d5a530a33062804e41f09dc97e9f156b4476707"
-fi
+sleep 1s
+setabi eosio $CONTRACTS_DIR/eosio.boot/eosio.boot.abi
+setcode eosio $CONTRACTS_DIR/eosio.boot/eosio.boot.wasm
 
-if [ $EOSBRANCH = "release_2.1.x" ] || [ $EOSBRANCH = "develop" ]; then
-  activate_feature "825ee6288fb1373eab1b5187ec2f04f6eacb39cb3a97f356a07c91622dd61d16"
-  activate_feature "c3a6138c5061cf291310887c0b5c71fcaffeab90d5deb50d3b9e687cead45071"
-  activate_feature "bf61537fd21c61a60e542a5d66c3f6a78da0589336868307f94a82bccea84e88"
-  activate_feature "5443fcf88330c586bc0e5f3dee10e7f63c76c00249c87fe4fbf7f38c082006b4"
-fi
+sleep 1s
+activate_feature "299dcb6af692324b899b39f16d5a530a33062804e41f09dc97e9f156b4476707"
+activate_feature "825ee6288fb1373eab1b5187ec2f04f6eacb39cb3a97f356a07c91622dd61d16"
+activate_feature "c3a6138c5061cf291310887c0b5c71fcaffeab90d5deb50d3b9e687cead45071"
+activate_feature "bf61537fd21c61a60e542a5d66c3f6a78da0589336868307f94a82bccea84e88"
+activate_feature "5443fcf88330c586bc0e5f3dee10e7f63c76c00249c87fe4fbf7f38c082006b4"
 activate_feature "4e7bf348da00a945489b2a681749eb56f5de00b900014e137ddae39f48f69d67"
 activate_feature "f0af56d2c5a48d60a4a5b5c903edfb7db3a736a94ed589d0b797df33ff9d3e1d"
 activate_feature "2652f5f96006294109b3dd0bbde63693f55324af452b799ee137a81a905eed25"
@@ -209,33 +189,31 @@ activate_feature "e0fb64b1085cc5538970158d05a009c24e276fb94e1a0bf6a528b48fbc4ff5
 activate_feature "ef43112c6543b88db2283a2e077278c315ae2c84719a8b25f25cc88565fbea99"
 activate_feature "4a90c00d55454dc5b059055ca213579c6ea856967712a56017487886a4d4cc0f"
 activate_feature "1a99a59d87e06e09ec5b028a9cbb7749b4a5ad8819004365d02dc4379a8b7241"
-if [ $EOSBRANCH = "develop" ]; then 
+if [ $EOSBRANCH = "release_2.2.x" ] || [ $EOSBRANCH = "develop" ]; then 
   activate_feature "808c49387292c34ccb3970e00b08a690b6b3370c1cbcec46d46c19d5dfafab03"
 fi
 
-if [ $EOSBRANCH = "release_2.1.x" ] || [ $EOSBRANCH = "develop" ]; then
-  sleep 1s
-  setabi eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.abi
-  setcode eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.wasm
+sleep 1s
+setabi eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.abi
+setcode eosio $CONTRACTS_DIR/eosio.bios/eosio.bios.wasm
 
-  sleep 1s
-  cleos push action eosio setkvparams '[{"max_key_size":1024, "max_value_size":4096, "max_iterators":1024}]' -p eosio@active
-  cleos push action eosio setpparams '["01110000400100000000"]' -p eosio@active
+sleep 1s
+cleos push action eosio setkvparams '[{"max_key_size":1024, "max_value_size":4096, "max_iterators":1024}]' -p eosio@active
+cleos push action eosio setpparams '["01110000400100000000"]' -p eosio@active
 
-  sleep 1s
-  setabi todo $CONTRACTS_DIR/kv_todo/kv_todo.abi
-  setcode todo $CONTRACTS_DIR/kv_todo/kv_todo.wasm
+sleep 1s
+setabi todo $CONTRACTS_DIR/kv_todo/kv_todo.abi
+setcode todo $CONTRACTS_DIR/kv_todo/kv_todo.wasm
 
-  sleep 1s
-  setabi returnvalue $CONTRACTS_DIR/action_return_value/action_return_value.abi
-  setcode returnvalue $CONTRACTS_DIR/action_return_value/action_return_value.wasm
-fi
+sleep 1s
+setabi returnvalue $CONTRACTS_DIR/action_return_value/action_return_value.abi
+setcode returnvalue $CONTRACTS_DIR/action_return_value/action_return_value.wasm
 
 sleep 1s
 setabi cfhello $CONTRACTS_DIR/cfhello/cfhello.abi
 setcode cfhello $CONTRACTS_DIR/cfhello/cfhello.wasm
 
-if [ $EOSBRANCH = "develop" ]; then
+if [ $EOSBRANCH = "release_2.2.x" ] || [ $EOSBRANCH = "develop" ]; then
   sleep 1s
   setabi readonly $CONTRACTS_DIR/read_only_query_tests/read_only_query_tests.abi
   setcode readonly $CONTRACTS_DIR/read_only_query_tests/read_only_query_tests.wasm
@@ -270,13 +248,11 @@ cleos push action eosio.token transfer '["eosio", "alice", "1000.0000 SYS", "mem
 cleos push action eosio.token transfer '["eosio", "bobr1", "1000.0000 SYS", "memo"]' -p eosio
 cleos push action eosio.token transfer '["eosio", "alicer1", "1000.0000 SYS", "memo"]' -p eosio
 
-if [ $EOSBRANCH = "release_2.1.x" ] || [ $EOSBRANCH = "develop" ]; then
-  cleos push action todo upsert '["bf581bee-9f2c-447b-94ad-78e4984b6f51", "todo", "Write Hello World Contract", false]' -p todo@active
-  cleos push action todo upsert '["b7b0d09d-a82b-44d9-b067-3bae2d02917e", "todo", "Start Blockchain", false]' -p todo@active
-  cleos push action todo upsert '["ac8acfe7-cd4e-4d22-8400-218b697a4517", "todo", "Deploy Hello World Contract", false]' -p todo@active
-fi
+cleos push action todo upsert '["bf581bee-9f2c-447b-94ad-78e4984b6f51", "todo", "Write Hello World Contract", false]' -p todo@active
+cleos push action todo upsert '["b7b0d09d-a82b-44d9-b067-3bae2d02917e", "todo", "Start Blockchain", false]' -p todo@active
+cleos push action todo upsert '["ac8acfe7-cd4e-4d22-8400-218b697a4517", "todo", "Deploy Hello World Contract", false]' -p todo@active
 
-if [ $EOSBRANCH = "develop" ]; then
+if [ $EOSBRANCH = "release_2.2.x" ] || [ $EOSBRANCH = "develop" ]; then
   cleos push action readonly setup '[]' -p readonly@active
 fi
 
diff --git a/.github/workflows/build-docker-images.yml b/.github/workflows/build-docker-images.yml
index ab9629630..63debd717 100644
--- a/.github/workflows/build-docker-images.yml
+++ b/.github/workflows/build-docker-images.yml
@@ -5,8 +5,8 @@ on:
   workflow_dispatch:
 
 jobs:
-  build-docker-2_0_x:
-    name: Build Docker - nodeos release/2.0.x
+  build-docker-2_1_x:
+    name: Build Docker - nodeos release/2.1.x
     runs-on: ubuntu-18.04
     steps:
       - name: Checkout
@@ -18,7 +18,7 @@ jobs:
         uses: actions/github-script@v3
         with:
           script: |
-            const nodeosVersion = 'v2.0.';
+            const nodeosVersion = 'v2.1.';
             const releaseList = await github.paginate('GET /repos/eosio/eos/releases');
             const releases = releaseList.map(release => {
               return {
@@ -56,13 +56,13 @@ jobs:
           push: true
           no-cache: true
           build-args: |
-            EOSBRANCH=release_2.0.x
-            CDTBRANCH=release_1.7.x
+            EOSBRANCH=release_2.1.x
+            CDTBRANCH=release_1.8.x
           tags: |
-            eosio/eosjs-ci:release_2.0.x
+            eosio/eosjs-ci:release_2.1.x
             eosio/eosjs-ci:${{ steps.nodeos-sha.outputs.NODEOS_SHA }}
-  build-docker-2_1_x:
-    name: Build Docker - nodeos release/2.1.x
+  build-docker-2_2_x:
+    name: Build Docker - nodeos release/2.2.x
     runs-on: ubuntu-18.04
     steps:
       - name: Checkout
@@ -74,7 +74,7 @@ jobs:
         uses: actions/github-script@v3
         with:
           script: |
-            const nodeosVersion = 'v2.1.';
+            const nodeosVersion = 'v2.2.';
             const releaseList = await github.paginate('GET /repos/eosio/eos/releases');
             const releases = releaseList.map(release => {
               return {
@@ -112,10 +112,10 @@ jobs:
           push: true
           no-cache: true
           build-args: |
-            EOSBRANCH=release_2.1.x
+            EOSBRANCH=release_2.2.x
             CDTBRANCH=release_1.8.x
           tags: |
-            eosio/eosjs-ci:release_2.1.x
+            eosio/eosjs-ci:release_2.2.x
             eosio/eosjs-ci:${{ steps.nodeos-sha.outputs.NODEOS_SHA }}
   build-docker-develop:
     name: Build Docker - nodeos develop
@@ -130,9 +130,7 @@ jobs:
         uses: actions/github-script@v3
         with:
           script: |
-            const nodeosVersion = 'v2.1.';
             const developRef = await github.request('GET /repos/eosio/eos/git/refs/heads/develop');
-            console.log(developRef);
             return developRef.data.object.sha;
       - name: Nodeos sha
         id: nodeos-sha