diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a4a5c671..eeb03f457 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,11 @@ This changelog format is based on [Keep a Changelog](https://keepachangelog.com/
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased](https://github.com/eth-brownie/brownie)
+### Added
+- Ganache 7.7.x support.
+
 ### Fixed
+- Anvil support, you can now access trace, events and return_value for anvil transactions.
 - Removes `eth-abi` depreciation warnings
 - Bump web3.py dep to support async provider in threaded applications
 
diff --git a/brownie/network/transaction.py b/brownie/network/transaction.py
index a2530b0c5..2f9738f45 100644
--- a/brownie/network/transaction.py
+++ b/brownie/network/transaction.py
@@ -631,7 +631,9 @@ def _get_trace(self) -> None:
             raise RPCRequestError("Node client does not support `debug_traceTransaction`")
         try:
             trace = web3.provider.make_request(  # type: ignore
-                "debug_traceTransaction", (self.txid, {"disableStorage": CONFIG.mode != "console"})
+                # Set enableMemory to all RPC as anvil return the memory key
+                "debug_traceTransaction", (self.txid, {
+                                           "disableStorage": CONFIG.mode != "console", "enableMemory": True})
             )
         except (requests.exceptions.Timeout, requests.exceptions.ConnectionError) as e:
             msg = f"Encountered a {type(e).__name__} while requesting "
@@ -674,8 +676,12 @@ def _get_trace(self) -> None:
                 if fix_gas:
                     # handle traces where numeric values are returned as hex (Nethermind)
                     step["gas"] = int(step["gas"], 16)
-                    step["gasCost"] = int.from_bytes(HexBytes(step["gasCost"]), "big", signed=True)
-                    step["pc"] = int(step["pc"], 16)
+                    # Check if gasCost is  hex before converting.
+                    if isinstance(step["gasCost"], str):
+                        step["gasCost"] = int.from_bytes(
+                            HexBytes(step["gasCost"]), "big", signed=True)
+                    if isinstance(step["pc"], str):  # Check if pc is hex before converting.
+                        step["pc"] = int(step["pc"], 16)
 
         if self.status:
             self._confirmed_trace(trace)
diff --git a/brownie/project/build.py b/brownie/project/build.py
index 23d7c29de..094d0066d 100644
--- a/brownie/project/build.py
+++ b/brownie/project/build.py
@@ -74,7 +74,7 @@ def _generate_revert_map(self, pcMap: Dict, source_map: Dict, language: str) ->
             for k, v in pcMap.items()
             if v["op"] in ("REVERT", "INVALID") or "jump_revert" in v
         ):
-            if "path" not in data:
+            if "path" not in data or data["path"] == None:
                 continue
             path_str = source_map[data["path"]]