From 15387707f562a4bacb5ceb0396be0f566768f537 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 28 May 2026 10:33:41 +0000
Subject: [PATCH 1/2] Initial plan


From 202f719c266fdeb90988717c52409977eb4838a9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 28 May 2026 10:37:25 +0000
Subject: [PATCH 2/2] ci: add semver compatibility check job

---
 .circleci/config.yml       | 24 ++++++++++++++++++++++++
 .circleci/semver-checks.sh | 13 +++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100755 .circleci/semver-checks.sh

diff --git a/.circleci/config.yml b/.circleci/config.yml
index d64012ad95..331b677382 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -727,6 +727,22 @@ jobs:
       - clear_environment:
           cache_key: v4.2.0-rust-1.88.0-cargo-audit-cache
 
+  check-cargo-semver-checks:
+    executor: rust-docker
+    resource_class: << pipeline.parameters.twoxlarge >>
+    steps:
+      - checkout:
+          method: full
+      - setup_environment:
+          cache_key: v4.2.0-rust-1.88.0-cargo-semver-checks-cache
+      - run:
+          name: Check for semver violations
+          no_output_timeout: 15m
+          command: |
+            bash ./.circleci/semver-checks.sh
+      - clear_environment:
+          cache_key: v4.2.0-rust-1.88.0-cargo-semver-checks-cache
+
   check-clippy:
     executor: rust-docker
     resource_class: << pipeline.parameters.medium >>
@@ -850,6 +866,14 @@ workflows:
                 - testnet
                 - mainnet
                 - staging
+      - check-cargo-semver-checks:
+          filters:
+            branches:
+              only:
+                - canary
+                - testnet
+                - mainnet
+                - staging
 
   snarkos-workflow:
     jobs:
diff --git a/.circleci/semver-checks.sh b/.circleci/semver-checks.sh
new file mode 100755
index 0000000000..055ca58749
--- /dev/null
+++ b/.circleci/semver-checks.sh
@@ -0,0 +1,13 @@
+#! /bin/bash
+
+set -x
+
+BASELINE_REV=5233959ad4 # UPDATE ME ON NECESSARY BREAKING CHANGES
+
+# Ensure that the command is installed.
+cargo install cargo-semver-checks@0.43.0 --locked
+
+# Ensure we can find the baseline revision
+git fetch --unshallow || true
+
+cargo semver-checks --workspace --default-features --baseline-rev $BASELINE_REV