roc-lang · Anton-4-bot · Oct 3, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
       - uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
       - name: Install Rust toolchain
         run: |
           rustup toolchain install "${{ needs.rust-version.outputs.version }}" --profile minimal --target x86_64-unknown-linux-musl --component llvm-tools-preview
@@ -77,7 +77,7 @@ jobs:
       - uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
       - name: Install Rust toolchain
         shell: bash
         run: |
@@ -122,7 +122,7 @@ jobs:
       - uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
       - name: Install Rust toolchain
         shell: bash
         run: |

diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
@@ -40,7 +40,7 @@ jobs:
         uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
 
       - name: Restore released docs
         env:

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -114,7 +114,7 @@ jobs:
         uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
 
       - name: Install Zig
         uses: mlugg/setup-zig@8d6198c65fb0feaa111df26e6b467fea8345e46f
@@ -218,7 +218,7 @@ jobs:
         uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
 
       - name: Install Rust
         shell: bash
@@ -263,7 +263,7 @@ jobs:
         uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
 
       - name: Create docs staging tree
         run: mkdir -p docs-site
@@ -435,7 +435,7 @@ jobs:
         uses: roc-lang/setup-roc@cbe782d6f165b89c87d99f50a59ac4f5f73b4427 # ratchet:roc-lang/setup-roc@v0.3.0
         with:
           version: nightly-new-compiler
-          nightly-tag: nightly-2026-09-26-d6267b4
+          nightly-tag: nightly-2026-10-03-c507926
 
       - name: Download release metadata
         uses: actions/download-artifact@v8

diff --git a/examples/check-command.roc b/examples/check-command.roc
@@ -13,7 +13,6 @@ report! = |name| {
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	# A command found on the PATH.
 	report!("sh")?
 

diff --git a/examples/command-line-args.roc b/examples/command-line-args.roc
@@ -13,7 +13,6 @@ main! = |args| {
 
 	match args {
 		[first_arg, ..] => {
-
 			Stdout.line!("received argument: ${OsStr.display(first_arg)}")?
 
 			match OsStr.to_raw(first_arg) {

diff --git a/examples/error-handling.roc b/examples/error-handling.roc
@@ -8,7 +8,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	file_name : Path
 	file_name = "test-file.txt"
 

diff --git a/examples/file-accessed-modified-created-time.roc b/examples/file-accessed-modified-created-time.roc
@@ -8,7 +8,6 @@ import pf.Utc
 
 main! : List(OsStr) => Try({}, _)
 main! = |args| {
-
 	file : Path
 	file = path_argument(args)?
 

diff --git a/examples/file-permissions.roc b/examples/file-permissions.roc
@@ -7,7 +7,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |args| {
-
 	file : Path
 	file = path_argument(args)?
 

diff --git a/examples/file-read-buffered.roc b/examples/file-read-buffered.roc
@@ -12,7 +12,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	reader : File.Reader
 	reader = File.open_reader!("LICENSE")?
 

diff --git a/examples/file-read-write.roc b/examples/file-read-write.roc
@@ -7,7 +7,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	out_file : Path
 	out_file = "out.txt"
 

diff --git a/examples/file-replace.roc b/examples/file-replace.roc
@@ -7,7 +7,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	file : Path
 	file = "greeting.txt"
 

diff --git a/examples/file-size.roc b/examples/file-size.roc
@@ -7,7 +7,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |args| {
-
 	file : Path
 	file = path_argument(args)?
 

diff --git a/examples/hello.roc b/examples/hello.roc
@@ -6,7 +6,6 @@ import pf.Stdout
 
 main! : List(OsStr) => Try({}, _)
 main! = |args| {
-
 	name : Str
 	name = greeting_name(args)
 

diff --git a/examples/http-client.roc b/examples/http-client.roc
@@ -1,7 +1,7 @@
 ## Send HTTP requests and handle UTF-8, JSON, and transport failures.
 app [main!] {
-	pf: platform "https://github.com/roc-lang/basic-cli/releases/download/0.23.0/GNN5tt2gKdX4dhawg4915C4YB193woHFdcCkz31fhGxv.tar.zst",
 	http: "https://github.com/roc-lang/http/releases/download/1.0.0/6ZUwqYhCS8PU9Mo6MF7oV82ET2o7KYb57CLKDq4cq4sS.tar.zst",
+	pf: platform "https://github.com/roc-lang/basic-cli/releases/download/0.23.0/GNN5tt2gKdX4dhawg4915C4YB193woHFdcCkz31fhGxv.tar.zst",
 }
 
 import pf.OsStr

diff --git a/examples/http-simple.roc b/examples/http-simple.roc
@@ -1,7 +1,7 @@
 ## Fetch UTF-8, JSON, and HTML responses from a local HTTP server.
 app [main!] {
-	pf: platform "https://github.com/roc-lang/basic-cli/releases/download/0.23.0/GNN5tt2gKdX4dhawg4915C4YB193woHFdcCkz31fhGxv.tar.zst",
 	http: "https://github.com/roc-lang/http/releases/download/1.0.0/6ZUwqYhCS8PU9Mo6MF7oV82ET2o7KYb57CLKDq4cq4sS.tar.zst",
+	pf: platform "https://github.com/roc-lang/basic-cli/releases/download/0.23.0/GNN5tt2gKdX4dhawg4915C4YB193woHFdcCkz31fhGxv.tar.zst",
 }
 
 import pf.OsStr
@@ -11,7 +11,6 @@ import http.Request
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	hello_str = Http.get_utf8!("http://127.0.0.1:9000/utf8test") ? |err| GetUtf8Failed(err)
 	Stdout.line!("I received '${hello_str}' from the server.")?
 

diff --git a/examples/locale.roc b/examples/locale.roc
@@ -7,7 +7,6 @@ import pf.Locale
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	example_locale : Locale
 	example_locale = "en-US"
 

diff --git a/examples/path.roc b/examples/path.roc
@@ -1,7 +1,7 @@
 ## Inspect a path's filename, extension, string representation, and type (file/dir/symlink).
 app [main!] { pf: platform "https://github.com/roc-lang/basic-cli/releases/download/0.23.0/GNN5tt2gKdX4dhawg4915C4YB193woHFdcCkz31fhGxv.tar.zst" }
 
-import pf.OsStr exposing [OsStr]
+import pf.OsStr
 import pf.Stdout
 import pf.Path
 

diff --git a/examples/sqlite-basic.roc b/examples/sqlite-basic.roc
@@ -50,7 +50,7 @@ print_line! : Str => Try({}, _)
 print_line! = |line| Stdout.line!(line)
 
 query_todos_by_status! = |db_path, status|
-# `many` when you expect multiple rows to be returned.
+	# `many` when you expect multiple rows to be returned.
 	Sqlite.query_many!({
 		path: db_path,
 		query: "SELECT id, task, status FROM todos WHERE status = :status;",

diff --git a/examples/sqlite-everything.roc b/examples/sqlite-everything.roc
@@ -23,7 +23,6 @@ main! = |_args| run!()
 
 run! : () => Try({}, _)
 run! = || {
-
 	# Read from environment variable, or use default
 	db_path = match Env.var!("DB_PATH") {
 		Ok(p) => Path.from_os_str(p)

diff --git a/examples/tcp-client.roc b/examples/tcp-client.roc
@@ -13,7 +13,6 @@ import pf.Stdin
 # then run this example.
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	stream : Tcp.Stream
 	stream = Tcp.connect!("127.0.0.1", 8085, 1_000) ? |err| ConnectFailed(err)
 

diff --git a/examples/temp-dir.roc b/examples/temp-dir.roc
@@ -8,7 +8,6 @@ import pf.Path
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	temp_dir_path : Path
 	temp_dir_path = Env.temp_dir!()
 

diff --git a/examples/time.roc b/examples/time.roc
@@ -8,7 +8,6 @@ import pf.Sleep
 
 main! : List(OsStr) => Try({}, _)
 main! = |_args| {
-
 	start : U128
 	start = Utc.now!()
 

diff --git a/platform/Cmd.roc b/platform/Cmd.roc
@@ -1,8 +1,8 @@
-import IOErr exposing [IOErr]
+import IOErr
 import Host
-import OsStr exposing [OsStr]
+import OsStr
 import Env
-import Path exposing [Path]
+import Path
 
 ## Build and run child processes with native-safe programs, arguments, and
 ## environment values.
@@ -453,7 +453,7 @@ flatten_arg_pairs = |pairs, acc, idx| {
 				flatten_arg_pairs(pairs, acc.append(pair.0).append(pair.1), idx + 1)
 			Err(_) =>
 				acc
-			}
+		}
 	}
 }
 
@@ -508,7 +508,7 @@ path_dirs = |path_value, is_windows|
 			split_on(u16s, if is_windows ';' else ':')
 				.keep_if(|segment| !List.is_empty(segment))
 				.map(Path.windows_u16s)
-		}
+	}
 
 ## Split a list into segments on a separator element (segments may be empty).
 split_on : List(a), a -> List(List(a)) where [a.is_eq : a, a -> Bool]
@@ -543,7 +543,7 @@ search_dirs! = |dirs, command, extensions, is_windows|
 			} else {
 				search_dirs!(rest, command, extensions, is_windows)
 			}
-		}
+	}
 
 search_extensions! : Path, Str, List(Str), Bool => Bool
 search_extensions! = |dir, command, extensions, is_windows|
@@ -555,7 +555,7 @@ search_extensions! = |dir, command, extensions, is_windows|
 			} else {
 				search_extensions!(dir, command, rest, is_windows)
 			}
-		}
+	}
 
 ## Whether a specific candidate path is runnable: on Windows it must exist, on
 ## Unix it must carry an executable bit. Either way a directory is rejected,

diff --git a/platform/Env.roc b/platform/Env.roc
@@ -1,6 +1,6 @@
 import Host
-import IOErr exposing [IOErr]
-import OsStr exposing [OsStr]
+import IOErr
+import OsStr
 import Path
 
 ## Read and modify the process environment without losing native OS strings.

diff --git a/platform/File.roc b/platform/File.roc
@@ -1,6 +1,6 @@
 import Host
 import Path
-import IOErr exposing [IOErr]
+import IOErr
 
 ## Read file bytes incrementally and seek within files.
 ##
@@ -93,7 +93,7 @@ File :: [].{
 										Ok(bytes) => Ok((Ok(bytes), Reading(current)))
 										Err(FileErr(err)) => Ok((Err(FileErr(err)), Finished))
 									}
-								},
+							},
 					),
 				)
 			}

diff --git a/platform/Host.roc b/platform/Host.roc
@@ -1,4 +1,4 @@
-import IOErr exposing [IOErr]
+import IOErr
 import InternalHttp
 import InternalSqlite
 

diff --git a/platform/InternalSqlite.roc b/platform/InternalSqlite.roc
@@ -1,26 +1,26 @@
 ## Define the host-ABI types shared by SQLite effects and the public module.
 ## These records map directly to the generated Rust glue types.
 InternalSqlite :: [].{
-    SqliteError : {
-        code : I64,
-        message : Str,
-    }
+	SqliteError : {
+		code : I64,
+		message : Str,
+	}
 
-    SqliteValue : [
-        Null,
-        Real(F64),
-        Integer(I64),
-        String(Str),
-        Bytes(List(U8)),
-    ]
+	SqliteValue : [
+		Null,
+		Real(F64),
+		Integer(I64),
+		String(Str),
+		Bytes(List(U8)),
+	]
 
-    SqliteState : [
-        Row,
-        Done,
-    ]
+	SqliteState : [
+		Row,
+		Done,
+	]
 
-    SqliteBindings : {
-        name : Str,
-        value : SqliteValue,
-    }
+	SqliteBindings : {
+		name : Str,
+		value : SqliteValue,
+	}
 }
diff --git a/platform/OsStr.roc b/platform/OsStr.roc
@@ -100,7 +100,7 @@ OsStr := [
 					Ok(str) => "OsStr.windows(${Json.to_str(str)})"
 					Err(_) => "OsStr.windows_u16s(${Str.inspect(u16s)})"
 				}
-			}
+		}
 
 	## Compare OS strings by their exact tagged representation.
 	is_eq : OsStr, OsStr -> Bool
@@ -195,7 +195,7 @@ utf16_to_utf8 = |remaining, out, index|
 		[unit, ..] if is_surrogate(unit) => Err(InvalidUtf16(index))
 		[unit, .. as rest] =>
 			utf16_to_utf8(rest, append_code_point_utf8(out, U16.to_u32(unit)), index + 1)
-		}
+	}
 
 utf16_to_utf8_lossy : List(U16) -> List(U8)
 utf16_to_utf8_lossy = |u16s| utf16_to_utf8_lossy_help(u16s, [])
@@ -214,7 +214,7 @@ utf16_to_utf8_lossy_help = |remaining, out|
 			utf16_to_utf8_lossy_help(rest, append_code_point_utf8(out, 0xFFFD))
 		[unit, .. as rest] =>
 			utf16_to_utf8_lossy_help(rest, append_code_point_utf8(out, U16.to_u32(unit)))
-		}
+	}
 
 append_code_point_utf8 : List(U8), U32 -> List(U8)
 append_code_point_utf8 = |out, code_point|