[cli 4.2.4] Preparing for CLI release

- Updating CHANGELOG
- Marking Move 2.1 stable and the default

crates/aptos/CHANGELOG.md

@@ -3,8 +3,12 @@
 All notable changes to the Aptos CLI will be captured in this file. This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) and the format set out by [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
+
+## [4.2.4] - 2024/10/21
+- Releasing Move 2.1, which adds compound assignments (`x += 1`) and loop labels to the language. See [Move 2 Release Notes](https://aptos.dev/en/build/smart-contracts/book/move-2).
+- multiple bug fixes in the Move 2 compilation chain.
 - `aptos move fmt` formats move files inside the `tests` and `examples` directory of a package.
-- Add `aptos update prover-dependencies`, which installs the dependency of Move prover, boogie, z3 and cvc5.
+- Added `aptos update prover-dependencies`, which installs the dependency of Move prover, boogie, z3 and cvc5.
 - Update the default version of `movefmt` to be installed from 1.0.4 to 1.0.5
 - Update the local-testnet logs to use `println` for regular output and reserve `eprintln` for errors.
 - Set compiler V2 as default when using `aptos move prove`.

third_party/move/move-compiler/src/shared/mod.rs

@@ -627,20 +627,23 @@ pub enum LanguageVersion {
     #[value(name = "1")]
     V1,
     #[value(name = "2")]
-    V2, /* V2 is the same as V2_0, here for the parser */
+    V2, /* V2 is the same as V2_1, here for the parser */
     #[value(name = "2.0")]
     V2_0,
     #[value(name = "2.1")]
     V2_1,
+    #[value(name = "2.2")]
+    V2_2,
 }
 
 impl LanguageVersion {
     fn to_ordinal(self) -> usize {
+        use LanguageVersion::*;
         match self {
-            LanguageVersion::V1 => 0,
-            LanguageVersion::V2 => 1,
-            LanguageVersion::V2_0 => 1,
-            LanguageVersion::V2_1 => 2,
+            V1 => 0,
+            V2_0 => 1,
+            V2 | V2_1 => 2,
+            V2_2 => 3,
         }
     }
 }
@@ -672,6 +675,7 @@ impl std::fmt::Display for LanguageVersion {
             LanguageVersion::V2 => "2",
             LanguageVersion::V2_0 => "2.0",
             LanguageVersion::V2_1 => "2.1",
+            LanguageVersion::V2_2 => "2.2",
         })
     }
 }

third_party/move/move-model/src/metadata.rs

@@ -190,15 +190,17 @@ pub enum LanguageVersion {
     V1,
     /// The 2.0 version of Move.
     V2_0,
-    /// The currently unstable 2.1 version of Move
+    /// The 2.1 version of Move,
     V2_1,
+    /// The currently unstable 2.2 version of Move
+    V2_2,
 }
 
 impl Default for LanguageVersion {
     fn default() -> Self {
         static MOVE_LANGUAGE_V2: Lazy<bool> = Lazy::new(|| read_bool_env_var("MOVE_LANGUAGE_V2"));
         if *MOVE_LANGUAGE_V2 {
-            Self::V2_0
+            Self::V2_1
         } else {
             Self::V1
         }
@@ -215,10 +217,10 @@ impl FromStr for LanguageVersion {
         let s1 = s.replace(UNSTABLE_MARKER, "");
         match s1.as_str() {
             "1" => Ok(Self::V1),
-            "2" | "2.0" => Ok(Self::V2_0),
-            "2.1" => Ok(Self::V2_1),
+            "2.0" => Ok(Self::V2_0),
+            "2" | "2.1" => Ok(Self::V2_1),
             _ => bail!(
-                "unrecognized language version `{}` (supported versions: `1`, `2`, `2.0`)",
+                "unrecognized language version `{}` (supported versions: `1`, `2`, `2.0`, `2.1`)",
                 s
             ),
         }
@@ -231,6 +233,7 @@ impl From<LanguageVersion> for CompilerLanguageVersion {
             LanguageVersion::V1 => CompilerLanguageVersion::V1,
             LanguageVersion::V2_0 => CompilerLanguageVersion::V2_0,
             LanguageVersion::V2_1 => CompilerLanguageVersion::V2_1,
+            LanguageVersion::V2_2 => CompilerLanguageVersion::V2_2,
         }
     }
 }
@@ -239,21 +242,21 @@ impl LanguageVersion {
     /// Whether the language version is unstable. An unstable version
     /// should not be allowed on production networks.
     pub fn unstable(self) -> bool {
+        use LanguageVersion::*;
         match self {
-            LanguageVersion::V1 => false,
-            LanguageVersion::V2_0 => false,
-            LanguageVersion::V2_1 => true,
+            V1 | V2_0 | V2_1 => false,
+            V2_2 => true,
         }
     }
 
     /// The latest language version.
     pub fn latest() -> Self {
-        LanguageVersion::V2_1
+        LanguageVersion::V2_2
     }
 
     /// The latest stable language version.
     pub fn latest_stable() -> Self {
-        LanguageVersion::V2_0
+        LanguageVersion::V2_1
     }
 
     /// Whether the language version is equal to greater than `ver`
@@ -267,7 +270,8 @@ impl LanguageVersion {
         env::get_bytecode_version_from_env(version).unwrap_or(match self {
             LanguageVersion::V1 => VERSION_DEFAULT,
             LanguageVersion::V2_0 => VERSION_DEFAULT_LANG_V2,
-            LanguageVersion::V2_1 => VERSION_DEFAULT_LANG_V2, // Update once we have v8 bytecode
+            LanguageVersion::V2_1 => VERSION_DEFAULT_LANG_V2,
+            LanguageVersion::V2_2 => VERSION_DEFAULT_LANG_V2, // Update once we have v8 bytecode
         })
     }
 }
@@ -281,6 +285,7 @@ impl Display for LanguageVersion {
                 LanguageVersion::V1 => "1",
                 LanguageVersion::V2_0 => "2.0",
                 LanguageVersion::V2_1 => "2.1",
+                LanguageVersion::V2_2 => "2.2",
             },
             if self.unstable() { UNSTABLE_MARKER } else { "" }
         )