diff --git a/.coverage b/.coverage
index d02e6dc7..429d02f8 100644
Binary files a/.coverage and b/.coverage differ
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 6b683ca8..015b284e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## 1.13.0 [8th September 2024]
 
+### Added
+
+- New `collection_browser.show_on_startup` config to control whether the collection browser is shown on startup.
+- Watch for changes to loaded dotenv files and reload UI elements that depend on them when they change.
+
 ### Changed
 
 - Upgraded all dependencies
diff --git a/docs/guide/configuration.md b/docs/guide/configuration.md
index 3be2e67f..383c393d 100644
--- a/docs/guide/configuration.md
+++ b/docs/guide/configuration.md
@@ -118,6 +118,7 @@ The table below lists all available configuration options and their environment
 | `heading.show_version` (`POSTING_HEADING__SHOW_VERSION`) | `true`, `false` (Default: `true`) | Show/hide the version in the app header. |
 | `url_bar.show_value_preview` (`POSTING_URL_BAR__SHOW_VALUE_PREVIEW`) | `true`, `false` (Default: `true`) | Show/hide the variable value preview below the URL bar. |
 | `collection_browser.position` (`POSTING_COLLECTION_BROWSER__POSITION`) | `"left"`, `"right"` (Default: `"left"`) | The position of the collection browser on screen. |
+| `collection_browser.show_on_startup` (`POSTING_COLLECTION_BROWSER__SHOW_ON_STARTUP`) | `true`, `false` (Default: `true`) | Show/hide the collection browser on startup. Can always be toggled using the command palette. |
 | `pager` (`POSTING_PAGER`) | (Default: `$PAGER`) | Command to use for paging text. |
 | `pager_json` (`POSTING_PAGER_JSON`) | (Default: `$PAGER`) | Command to use for paging JSON. |
 | `editor` (`POSTING_EDITOR`) | (Default: `$EDITOR`) | Command to use for opening files in an external editor. |
diff --git a/docs/guide/index.md b/docs/guide/index.md
index aef2c63a..61b1336f 100644
--- a/docs/guide/index.md
+++ b/docs/guide/index.md
@@ -49,7 +49,7 @@ This introduction will show you how to create a simple POST request to the [JSON
 
 A *collection* is simply a directory which may contain requests saved by Posting.
 
-If you launch Posting without specifying a collection, any requests you create will be saved in the "default" collection.
+If you launch Posting without specifying a collection, any requests you create will be saved in the `"default"` collection.
 This is a directory reserved by Posting on your filesystem, and unrelated to the directory you launched Posting from.
 
 This is fine for quick throwaway requests, but you'll probably want to create a new collection for each project you work on so that you can check it into version control.
diff --git a/src/posting/app.py b/src/posting/app.py
index c2d21891..ccefff4d 100644
--- a/src/posting/app.py
+++ b/src/posting/app.py
@@ -168,7 +168,11 @@ def compose(self) -> ComposeResult:
         yield AppHeader()
         yield UrlBar()
         with AppBody():
-            yield CollectionBrowser(collection=self.collection)
+            collection_browser = CollectionBrowser(collection=self.collection)
+            collection_browser.display = (
+                self.settings.collection_browser.show_on_startup
+            )
+            yield collection_browser
             yield RequestEditor()
             yield ResponseArea()
         yield Footer(show_command_palette=False)
@@ -677,13 +681,6 @@ def get_default_screen(self) -> MainScreen:
             layout=self.settings.layout,
             environment_files=self.environment_files,
         )
-        if not self.collection_specified:
-            self.notify(
-                "Using the default collection directory.",
-                title="No collection specified",
-                severity="warning",
-                timeout=7,
-            )
         return self.main_screen
 
     def get_css_variables(self) -> dict[str, str]:
diff --git a/src/posting/config.py b/src/posting/config.py
index ae0b2cf1..c889965e 100644
--- a/src/posting/config.py
+++ b/src/posting/config.py
@@ -89,6 +89,9 @@ class CollectionBrowserSettings(BaseModel):
     position: Literal["left", "right"] = Field(default="left")
     """The position of the collection browser on screen."""
 
+    show_on_startup: bool = Field(default=True)
+    """If enabled, the collection browser will be shown on startup."""
+
 
 class Settings(BaseSettings):
     model_config = SettingsConfigDict(