diff --git a/.gitignore b/.gitignore
index df9efed898d..f09237cb52b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,5 +11,6 @@ _site
 .jekyll-cache/
 .jekyll-metadata
 aider/__version__.py
+aider/_version.py
 .venv/
 .gitattributes
diff --git a/aider/__init__.py b/aider/__init__.py
index 9b25fae7c58..c25992a6ccd 100644
--- a/aider/__init__.py
+++ b/aider/__init__.py
@@ -4,14 +4,17 @@
 safe_version = __version__
 
 try:
-    from aider.__version__ import __version__
+    from aider._version import __version__
 except Exception:
-    __version__ = safe_version + ".import"
+    __version__ = safe_version + "+import"
 
-try:
-    if version.parse(__version__) < version.parse(safe_version):
-        __version__ = safe_version + ".less"
-except Exception:
-    __version__ = safe_version + ".parse"
+if type(__version__) is not str:
+    __version__ = safe_version + "+type"
+else:
+    try:
+        if version.parse(__version__) < version.parse(safe_version):
+            __version__ = safe_version + "+less"
+    except Exception:
+        __version__ = safe_version + "+parse"
 
 __all__ = [__version__]
diff --git a/aider/commands.py b/aider/commands.py
index a06a9ba2cf0..08c5f3ea2c5 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -914,7 +914,7 @@ def cmd_exit(self, args):
 
     def cmd_quit(self, args):
         "Exit the application"
-        sys.exit()
+        self.cmd_exit(args)
 
     def cmd_ls(self, args):
         "List all known files and indicate which are included in the chat session"
diff --git a/aider/main.py b/aider/main.py
index 47cb51cc6c5..2a48b4301bf 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -949,6 +949,10 @@ def is_first_run_of_new_version(io, verbose=False):
     installs_file = Path.home() / ".aider" / "installs.json"
     key = (__version__, sys.executable)
 
+    # Never show notes for .dev versions
+    if ".dev" in __version__:
+        return False
+
     if verbose:
         io.tool_output(
             f"Checking imports for version {__version__} and executable {sys.executable}"
diff --git a/pyproject.toml b/pyproject.toml
index 0d0ef3eae21..1788085ae9b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ requires = ["setuptools>=68", "setuptools_scm[toml]>=8"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
-write_to = "aider/__version__.py"
+write_to = "aider/_version.py"
 
 [tool.codespell]
 skip = "*.svg,Gemfile.lock"