5.1.0 release exposes compose officially.

noxfile.py

@@ -24,7 +24,7 @@
 
 # PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12"]
 PYTHON_VERSIONS = ["3.9"]
-MAJOR_TEXTUAL_VERSIONS = [3, 4, 5]
+MAJOR_TEXTUAL_VERSIONS = [5.1]
 
 ##############
 # NOX CONFIG #
@@ -62,18 +62,19 @@ def tests(session: nox.Session, ver: int) -> None:
         external=True,
     )
 
-    # running pip install after syncing will make it override any
+    # Running pip install after syncing will override any
     # packages that were installed by the sync command.
+    # Calculate the next minor version for the upper bound
+    major, minor = str(ver).split(".")
+    next_minor = f"{major}.{int(minor)+1}"
     session.run_install(
         "uv", "pip", "install",
-        f"textual<{ver + 1}.0.0",
+        f"textual>={ver},<{next_minor}.0",
         external=True,
     )
     session.run("uv", "pip", "show", "textual")
-    # EXPLANATION: The `ver + 1` is a trick to make UV
-    # only download the last version of each major revision of Textual.
-    # If the current version is 3, we're saying `install textual<4.0.0`.
-    # This will make UV grab the highest version of Textual 3.x.x, which is 3.7.1.
+    # EXPLANATION: This will install the latest patch release for the specified minor version series (e.g., 5.1.x, 5.3.x, etc.)
+    # by using textual>={ver},<{next_minor}.0. To test a new minor version, just add it to MAJOR_TEXTUAL_VERSIONS.
     # The last `uv pip show textual` is just for logging purposes.
 
     # These are all assuming you have corresponding

pyproject.toml

@@ -24,7 +24,7 @@ classifiers = [
 
 dependencies = [
     "ezpubsub>=0.2.0",
-    "textual>=3.0.0,<6.0.0",
+    "textual>=5.1.0,<6.0.0",
 ]
 
 [project.urls]

src/textual_window/window.py

@@ -20,7 +20,7 @@
 
 # Textual and Rich imports
 import textual.events as events
-from textual._compose import compose  # type: ignore[unused-ignore]
+from textual.app import compose  # type: ignore[attr-defined]
 from textual.dom import check_identifiers
 from textual.widget import Widget, AwaitMount
 from textual.message import Message

tests/test_suite.py

@@ -1,4 +1,3 @@
-from typing import cast
 from pathlib import Path
 from textual.pilot import Pilot
 from textual_window.demo import WindowDemo