diff --git a/.github/workflows/docker-build-test.yaml b/.github/workflows/docker-build-test.yaml
index 9565294307b65..91a3400944c1c 100644
--- a/.github/workflows/docker-build-test.yaml
+++ b/.github/workflows/docker-build-test.yaml
@@ -312,7 +312,7 @@ jobs:
     with:
       GIT_SHA: ${{ needs.determine-docker-build-metadata.outputs.gitSha }}
       FORGE_TEST_SUITE: compat
-      IMAGE_TAG: 70806ff543496aa6de7807feff49e7e1370efd20 #aptos-node-v1.19.1
+      IMAGE_TAG: 25a081116546670e62ca927ba90478de78557056 #aptos-node-v1.20
       FORGE_RUNNER_DURATION_SECS: 300
       COMMENT_HEADER: forge-compat
       FORGE_NAMESPACE: forge-compat-${{ needs.determine-docker-build-metadata.outputs.targetCacheId }}
@@ -340,7 +340,7 @@ jobs:
     with:
       GIT_SHA: ${{ needs.determine-docker-build-metadata.outputs.gitSha }}
       FORGE_TEST_SUITE: framework_upgrade
-      IMAGE_TAG: 70806ff543496aa6de7807feff49e7e1370efd20 #aptos-node-v1.19.1
+      IMAGE_TAG: 25a081116546670e62ca927ba90478de78557056 #aptos-node-v1.20
       FORGE_RUNNER_DURATION_SECS: 3600
       COMMENT_HEADER: forge-framework-upgrade
       FORGE_NAMESPACE: forge-framework-upgrade-${{ needs.determine-docker-build-metadata.outputs.targetCacheId }}
diff --git a/.github/workflows/forge-stable.yaml b/.github/workflows/forge-stable.yaml
index f3f7775138cda..f7b3d9ee550e5 100644
--- a/.github/workflows/forge-stable.yaml
+++ b/.github/workflows/forge-stable.yaml
@@ -128,7 +128,7 @@ jobs:
     uses: aptos-labs/aptos-core/.github/workflows/workflow-run-forge.yaml@main
     secrets: inherit
     with:
-      IMAGE_TAG: 70806ff543496aa6de7807feff49e7e1370efd20 #aptos-node-v1.19.1
+      IMAGE_TAG: 25a081116546670e62ca927ba90478de78557056 #aptos-node-v1.20
       FORGE_NAMESPACE: forge-framework-upgrade-${{ needs.determine-test-metadata.outputs.BRANCH_HASH }}
       FORGE_RUNNER_DURATION_SECS: 7200 # Run for 2 hours
       FORGE_TEST_SUITE: framework_upgrade
@@ -269,7 +269,7 @@ jobs:
       FORGE_RUNNER_DURATION_SECS: 300 # Run for 5 minutes
       # This will upgrade from testnet branch to the latest main
       FORGE_TEST_SUITE: compat
-      IMAGE_TAG: 70806ff543496aa6de7807feff49e7e1370efd20 #aptos-node-v1.19.1
+      IMAGE_TAG: 25a081116546670e62ca927ba90478de78557056 #aptos-node-v1.20
       GIT_SHA: ${{ needs.determine-test-metadata.outputs.IMAGE_TAG }} # this is the git ref to checkout
       POST_TO_SLACK: true
 
diff --git a/aptos-move/aptos-gas-schedule/src/ver.rs b/aptos-move/aptos-gas-schedule/src/ver.rs
index 2df67131a21f7..f798c42b40145 100644
--- a/aptos-move/aptos-gas-schedule/src/ver.rs
+++ b/aptos-move/aptos-gas-schedule/src/ver.rs
@@ -69,7 +69,7 @@
 ///       global operations.
 /// - V1
 ///   - TBA
-pub const LATEST_GAS_FEATURE_VERSION: u64 = gas_feature_versions::RELEASE_V1_20;
+pub const LATEST_GAS_FEATURE_VERSION: u64 = gas_feature_versions::RELEASE_V1_21;
 
 pub mod gas_feature_versions {
     pub const RELEASE_V1_8: u64 = 11;
diff --git a/keyless/circuit/templates/helpers/misc.circom b/keyless/circuit/templates/helpers/misc.circom
index 109e824fa6d76..3385644889bbf 100644
--- a/keyless/circuit/templates/helpers/misc.circom
+++ b/keyless/circuit/templates/helpers/misc.circom
@@ -98,7 +98,9 @@ template EmailVerifiedCheck(maxEVNameLen, maxEVValueLen, maxUIDNameLen) {
     }
 }
 
-
+// Given an array of ascii characters representing a JSON object, output a binary array demarquing 
+//  input = { asdfsdf "asdf" }
+// output = 000000000001111000
 template StringBodies(len) {
   signal input in[len];
   signal output out[len];
@@ -126,21 +128,24 @@ template StringBodies(len) {
   for (var i = 1; i < len; i++) {
     var is_quote = IsEqual()([in[i], 34]); 
     var prev_is_odd_backslash = adjacent_backslash_parity[i-1];
-    quotes[i] <== is_quote * (1 - prev_is_odd_backslash);
-    quote_parity_1[i] <== quotes[i] * (1 - quote_parity[i-1]);
-    quote_parity_2[i] <== (1 - quotes[i]) * quote_parity[i-1];
-    quote_parity[i] <== quote_parity_1[i] + quote_parity_2[i];
+    quotes[i] <== is_quote * (1 - prev_is_odd_backslash); // 1 iff there is a non-escaped quote at this position
+    quote_parity_1[i] <== quotes[i] * (1 - quote_parity[i-1]); // 1 iff quotes[i] == 1 and quote_parity[i-1] == 0, else 0
+    quote_parity_2[i] <== (1 - quotes[i]) * quote_parity[i-1]; // 1 iff quotes[i] == 0 and quote_party[i-1] == 1, else 0
+    quote_parity[i] <== quote_parity_1[i] + quote_parity_2[i]; // Or of previous two, i.e., XOR(quotes[i], quote_parity[i-1])
   }
-
+  //  input = { asdfsdf "asdf" }
+  // output = 000000000011111000
+  // i.e., still has offset-by-one error
 
   out[0] <== 0;
 
   for (var i = 1; i < len; i++) {
-    out[i] <== AND()(quote_parity[i-1], quote_parity[i]);
+    out[i] <== AND()(quote_parity[i-1], quote_parity[i]); // remove offset error
   }
 }
 
 
+
 // Given a base64-encoded array `in`, max length `maxN`, and actual unpadded length `n`, returns
 // the actual length of the decoded string
 template Base64DecodedLength(maxN) {