diff --git a/include/xrpl/protocol/detail/features.macro b/include/xrpl/protocol/detail/features.macro
index 2af7c63a60..4f1fac82da 100644
--- a/include/xrpl/protocol/detail/features.macro
+++ b/include/xrpl/protocol/detail/features.macro
@@ -15,7 +15,7 @@
 // Add new amendments to the top of this list.
 // Keep it sorted in reverse chronological order.
 
-XRPL_FIX    (Cleanup3_4_0,                Supported::No,  VoteBehavior::DefaultNo)
+XRPL_FIX    (Cleanup3_4_0,                Supported::Yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(Sponsor,                     Supported::Yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(BatchV1_1,                   Supported::Yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(LendingProtocolV1_1,         Supported::No,  VoteBehavior::DefaultNo)
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 3206cf59c0..a82b4734d8 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
 channel = "1.95"
-components = ["rustfmt", "clippy", "rust-analyzer"]
+components = ["rustfmt", "clippy", "rust-analyzer", "llvm-tools-preview"]
 profile = "minimal"