diff --git a/.github/workflows/e2e_custom_cl.yml b/.github/workflows/e2e_custom_cl.yml
index 0404a0338..93237edc8 100644
--- a/.github/workflows/e2e_custom_cl.yml
+++ b/.github/workflows/e2e_custom_cl.yml
@@ -73,13 +73,24 @@ jobs:
     permissions:
       id-token: write
       contents: read
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
+      - name: Get core ref from PR body
+        if: github.event_name == 'pull_request'
+        run: |
+          comment="$(gh pr view https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }} --json body -q '.body')"
+          # shellcheck disable=SC2086
+          core_ref="$(echo $comment | grep -oP 'core ref: \K\S+' || true)"
+          if [ -n "$core_ref" ]; then
+            echo "CUSTOM_CORE_REF=${core_ref}" >> "${GITHUB_ENV}"
+          fi
       - name: Check if image exists
         id: check-image
         uses: smartcontractkit/chainlink-github-actions/docker/image-exists@ad22fbd6f4d108b82aaf49b527bcf40f32babea8 # v2.2.1
         with:
           repository: chainlink
-          tag: solana.${{ github.event.inputs.cl_branch_ref || github.sha }}
+          tag: solana.${{ env.CUSTOM_CORE_REF || github.event.inputs.cl_branch_ref || github.sha }}
           AWS_REGION: ${{ secrets.QA_AWS_REGION }}
           AWS_ROLE_TO_ASSUME: ${{ secrets.QA_AWS_ROLE_TO_ASSUME }}
       - name: Build Image
@@ -87,9 +98,9 @@ jobs:
         uses: smartcontractkit/chainlink-github-actions/chainlink-testing-framework/build-image@d5ab9fe53da374dd789b5d9ef10f3282197e088d # we will want to switch to this once cosmos settles back down 336617ae6d70fec60c15cc3382e17a4d2615a801 # v2.2.0
         with:
           cl_repo: smartcontractkit/chainlink
-          cl_ref: ${{ github.event.inputs.cl_branch_ref }}
+          cl_ref: ${{ env.CUSTOM_CORE_REF || github.event.inputs.cl_branch_ref }}
           dep_solana_sha: ${{ github.event.pull_request.head.sha }}
-          push_tag: ${{ env.CL_ECR }}:solana.${{ github.event.inputs.cl_branch_ref || github.sha }}
+          push_tag: ${{ env.CL_ECR }}:solana.${{ env.CUSTOM_CORE_REF || github.event.inputs.cl_branch_ref || github.sha }}
           QA_AWS_REGION: ${{ secrets.QA_AWS_REGION }}
           QA_AWS_ROLE_TO_ASSUME: ${{ secrets.QA_AWS_ROLE_TO_ASSUME }}
 
@@ -112,6 +123,7 @@ jobs:
       TEST_LOG_LEVEL: debug
       SELECTED_NETWORKS: SIMULATED
       INTERNAL_DOCKER_REPO: ${{ secrets.QA_AWS_ACCOUNT_NUMBER }}.dkr.ecr.${{ secrets.QA_AWS_REGION }}.amazonaws.com
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Collect Metrics
         id: collect-gha-metrics
@@ -122,6 +134,15 @@ jobs:
           hostname: ${{ secrets.GRAFANA_INTERNAL_HOST }}
           this-job-name: E2E Custom Run Smoke Tests
         continue-on-error: true
+      - name: Get core ref from PR body
+        if: github.event_name == 'pull_request'
+        run: |
+          comment="$(gh pr view https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }} --json body -q '.body')"
+          # shellcheck disable=SC2086
+          core_ref="$(echo $comment | grep -oP 'core ref: \K\S+' || true)"
+          if [ -n "$core_ref" ]; then
+            echo "CUSTOM_CORE_REF=${core_ref}" >> "${GITHUB_ENV}"
+          fi
       - name: Checkout the repo
         uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
       - name: Download Artifacts
@@ -136,7 +157,7 @@ jobs:
           cat << EOF > config.toml
           [ChainlinkImage]
           image="${{ env.CL_ECR }}"
-          version="solana.${{ github.event.inputs.cl_branch_ref || github.sha }}"
+          version="solana.${{ env.CUSTOM_CORE_REF || github.event.inputs.cl_branch_ref || github.sha }}"
           EOF
 
           # shellcheck disable=SC2002
@@ -152,7 +173,7 @@ jobs:
           test_download_vendor_packages_command: cd ./integration-tests && go mod download
           go_mod_path: ./integration-tests/go.mod
           cl_repo: ${{ env.CL_ECR }}
-          cl_image_tag: solana.${{ github.event.inputs.cl_branch_ref || github.sha }}
+          cl_image_tag: solana.${{ env.CUSTOM_CORE_REF || github.event.inputs.cl_branch_ref || github.sha }}
           token: ${{ secrets.GITHUB_TOKEN }}
           aws_registries: ${{ secrets.QA_AWS_ACCOUNT_NUMBER }}
           artifacts_name: smoke-test-logs
diff --git a/integration-tests/go.mod b/integration-tests/go.mod
index b659f4d77..9a42767fd 100644
--- a/integration-tests/go.mod
+++ b/integration-tests/go.mod
@@ -13,10 +13,10 @@ require (
 	github.com/onsi/gomega v1.30.0
 	github.com/rs/zerolog v1.30.0
 	github.com/smartcontractkit/chainlink-common v0.1.7-0.20240422205847-8e5c6f41700a
-	github.com/smartcontractkit/chainlink-solana v1.0.3-0.20240216142700-c5869534c19e
+	github.com/smartcontractkit/chainlink-solana v1.0.3-0.20240422131138-ec3bcf1a0821
 	github.com/smartcontractkit/chainlink-testing-framework v1.28.3
-	github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240417200925-ccb8cd85fef8
-	github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240417200925-ccb8cd85fef8
+	github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240422131834-9efe7cab4c4d
+	github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240422131834-9efe7cab4c4d
 	github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052
 	github.com/stretchr/testify v1.9.0
 	github.com/testcontainers/testcontainers-go v0.28.0
@@ -362,16 +362,16 @@ require (
 	github.com/slack-go/slack v0.12.2 // indirect
 	github.com/smartcontractkit/chain-selectors v1.0.10 // indirect
 	github.com/smartcontractkit/chainlink-automation v1.0.3 // indirect
-	github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240213120401-01a23955f9f8 // indirect
+	github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240419131812-73d148593d92 // indirect
 	github.com/smartcontractkit/chainlink-data-streams v0.0.0-20240220203239-09be0ea34540 // indirect
 	github.com/smartcontractkit/chainlink-feeds v0.0.0-20240119021347-3c541a78cdb8 // indirect
 	github.com/smartcontractkit/chainlink-starknet/relayer v0.0.1-beta-test.0.20240325075535-0f7eb05ee595 // indirect
 	github.com/smartcontractkit/chainlink-vrf v0.0.0-20240222010609-cd67d123c772 // indirect
-	github.com/smartcontractkit/seth v0.1.5 // indirect
+	github.com/smartcontractkit/seth v0.1.6 // indirect
 	github.com/smartcontractkit/tdh2/go/ocr2/decryptionplugin v0.0.0-20230906073235-9e478e5e19f1 // indirect
 	github.com/smartcontractkit/tdh2/go/tdh2 v0.0.0-20230906073235-9e478e5e19f1 // indirect
 	github.com/smartcontractkit/wasp v0.4.5 // indirect
-	github.com/smartcontractkit/wsrpc v0.7.2 // indirect
+	github.com/smartcontractkit/wsrpc v0.8.1 // indirect
 	github.com/soheilhy/cmux v0.1.5 // indirect
 	github.com/sony/gobreaker v0.5.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
diff --git a/integration-tests/go.sum b/integration-tests/go.sum
index 3d51a7933..69e7e1bb2 100644
--- a/integration-tests/go.sum
+++ b/integration-tests/go.sum
@@ -762,7 +762,6 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
 github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -1415,8 +1414,8 @@ github.com/smartcontractkit/chainlink-automation v1.0.3 h1:h/ijT0NiyV06VxYVgcNfs
 github.com/smartcontractkit/chainlink-automation v1.0.3/go.mod h1:RjboV0Qd7YP+To+OrzHGXaxUxoSONveCoAK2TQ1INLU=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240422205847-8e5c6f41700a h1:/hi6J4RkByUJdWulzjs7TZaEc9hdNUkuUsbWUVFUfPY=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240422205847-8e5c6f41700a/go.mod h1:GTDBbovHUSAUk+fuGIySF2A/whhdtHGaWmU61BoERks=
-github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240213120401-01a23955f9f8 h1:I326nw5GwHQHsLKHwtu5Sb9EBLylC8CfUd7BFAS0jtg=
-github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240213120401-01a23955f9f8/go.mod h1:a65NtrK4xZb01mf0dDNghPkN2wXgcqFQ55ADthVBgMc=
+github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240419131812-73d148593d92 h1:MvaNzuaQh1vX4CAYLM8qFd99cf0ZF1JNwtDZtLU7WvU=
+github.com/smartcontractkit/chainlink-cosmos v0.4.1-0.20240419131812-73d148593d92/go.mod h1:uATrrJ8IsuBkOBJ46USuf73gz9gZy5k5bzGE5/ji/rc=
 github.com/smartcontractkit/chainlink-data-streams v0.0.0-20240220203239-09be0ea34540 h1:xFSv8561jsLtF6gYZr/zW2z5qUUAkcFkApin2mnbYTo=
 github.com/smartcontractkit/chainlink-data-streams v0.0.0-20240220203239-09be0ea34540/go.mod h1:sjAmX8K2kbQhvDarZE1ZZgDgmHJ50s0BBc/66vKY2ek=
 github.com/smartcontractkit/chainlink-feeds v0.0.0-20240119021347-3c541a78cdb8 h1:1BcjXuviSAKttOX7BZoVHRZZGfxqoA2+AL8tykmkdoc=
@@ -1427,26 +1426,26 @@ github.com/smartcontractkit/chainlink-testing-framework v1.28.3 h1:rZ622PUSE9jJv
 github.com/smartcontractkit/chainlink-testing-framework v1.28.3/go.mod h1:jN+HgXbriq6fKRlIqLw9F3I81aYImV6kBJkIfz0mdIA=
 github.com/smartcontractkit/chainlink-vrf v0.0.0-20240222010609-cd67d123c772 h1:LQmRsrzzaYYN3wEU1l5tWiccznhvbyGnu2N+wHSXZAo=
 github.com/smartcontractkit/chainlink-vrf v0.0.0-20240222010609-cd67d123c772/go.mod h1:Kn1Hape05UzFZ7bOUnm3GVsHzP0TNrVmpfXYNHdqGGs=
-github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240417200925-ccb8cd85fef8 h1:ry4UvL8Xvv5WQ88loTPfTGFEpx3jvTW33vo3atIUDLY=
-github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240417200925-ccb8cd85fef8/go.mod h1:PYVNCjUoVe5ikCuOPEZLPEkylvX7vb7ETz5DBedImlU=
-github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240417200925-ccb8cd85fef8 h1:VmFX9BEGxVK0NbR9OPNxsWGSwluiIVSUxvn2MRLaMD0=
-github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240417200925-ccb8cd85fef8/go.mod h1:c74b4KKCLhkKVmRCAWmot8/+Cr2vdEisSDKygdZUV9E=
+github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240422131834-9efe7cab4c4d h1:zo3Za1uT+tkZSW67x9BfbjQqqmYbekb6MORl2vzKtdU=
+github.com/smartcontractkit/chainlink/integration-tests v0.0.0-20240422131834-9efe7cab4c4d/go.mod h1:fjnKGfv2ttTd2/FmzZrsVqSHHG0z5tzy2pnVicfrGTA=
+github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240422131834-9efe7cab4c4d h1:CzjNUtbAih0k/HzLbGAsRQ4bpEHXcO729FuR7I2ZM3s=
+github.com/smartcontractkit/chainlink/v2 v2.10.0-beta0.0.20240422131834-9efe7cab4c4d/go.mod h1:5+q3GMs5tTg0VEOtiirCRF4Ln3jHu4hzjENMncxrgSY=
 github.com/smartcontractkit/go-plugin v0.0.0-20231003134350-e49dad63b306 h1:ko88+ZznniNJZbZPWAvHQU8SwKAdHngdDZ+pvVgB5ss=
 github.com/smartcontractkit/go-plugin v0.0.0-20231003134350-e49dad63b306/go.mod h1:w1sAEES3g3PuV/RzUrgow20W2uErMly84hhD3um1WL4=
 github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f h1:hgJif132UCdjo8u43i7iPN1/MFnu49hv7lFGFftCHKU=
 github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f/go.mod h1:MvMXoufZAtqExNexqi4cjrNYE9MefKddKylxjS+//n0=
 github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052 h1:1WFjrrVrWoQ9UpVMh7Mx4jDpzhmo1h8hFUKd9awIhIU=
 github.com/smartcontractkit/libocr v0.0.0-20240326191951-2bbe9382d052/go.mod h1:SJEZCHgMCAzzBvo9vMV2DQ9onfEcIJCYSViyP4JI6c4=
-github.com/smartcontractkit/seth v0.1.5 h1:tobdA3uzRHubN/ytE6bSq1dtvmaXjKdaHEGW5Re9I1U=
-github.com/smartcontractkit/seth v0.1.5/go.mod h1:2TMOZQ8WTAw7rR1YBbXpnad6VmT/+xDd/nXLmB7Eero=
+github.com/smartcontractkit/seth v0.1.6 h1:exU96KiKM/gxvp7OR8KkOXnTgbtFNepdhMBvyobFKCw=
+github.com/smartcontractkit/seth v0.1.6/go.mod h1:2TMOZQ8WTAw7rR1YBbXpnad6VmT/+xDd/nXLmB7Eero=
 github.com/smartcontractkit/tdh2/go/ocr2/decryptionplugin v0.0.0-20230906073235-9e478e5e19f1 h1:yiKnypAqP8l0OX0P3klzZ7SCcBUxy5KqTAKZmQOvSQE=
 github.com/smartcontractkit/tdh2/go/ocr2/decryptionplugin v0.0.0-20230906073235-9e478e5e19f1/go.mod h1:q6f4fe39oZPdsh1i57WznEZgxd8siidMaSFq3wdPmVg=
 github.com/smartcontractkit/tdh2/go/tdh2 v0.0.0-20230906073235-9e478e5e19f1 h1:Dai1bn+Q5cpeGMQwRdjOdVjG8mmFFROVkSKuUgBErRQ=
 github.com/smartcontractkit/tdh2/go/tdh2 v0.0.0-20230906073235-9e478e5e19f1/go.mod h1:G5Sd/yzHWf26rQ+X0nG9E0buKPqRGPMJAfk2gwCzOOw=
 github.com/smartcontractkit/wasp v0.4.5 h1:pgiXwBci2m15eo33AzspzhpNG/gxg+8QGxl+I5LpfsQ=
 github.com/smartcontractkit/wasp v0.4.5/go.mod h1:eVhBVLbVv0qORUlN7aR5C4aTN/lTYO3KnN1erO4ROOI=
-github.com/smartcontractkit/wsrpc v0.7.2 h1:iBXzMeg7vc5YoezIQBq896y25BARw7OKbhrb6vPbtRQ=
-github.com/smartcontractkit/wsrpc v0.7.2/go.mod h1:sj7QX2NQibhkhxTfs3KOhAj/5xwgqMipTvJVSssT9i0=
+github.com/smartcontractkit/wsrpc v0.8.1 h1:kk0SXLqWrWaZ3J6c7n8D0NZ2uTMBBBpG5dZZXZX8UGE=
+github.com/smartcontractkit/wsrpc v0.8.1/go.mod h1:yfg8v8fPLXkb6Mcnx6Pm/snP6jJ0r5Kf762Yd1a/KpA=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
@@ -1700,7 +1699,6 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.14.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
 go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
-go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
 go.uber.org/zap v1.26.0 h1:sI7k6L95XOKS281NhVKOFCUNIvv9e0w4BF8N3u+tCRo=
 go.uber.org/zap v1.26.0/go.mod h1:dtElttAiwGvoJ/vj4IwHBS/gXsEu/pZ50mUIRWuG0so=
 go4.org/netipx v0.0.0-20230125063823-8449b0a6169f h1:ketMxHg+vWm3yccyYiq+uK8D3fRmna2Fcj+awpQp84s=