diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e5d16d..1be7084 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# unreleased
+
+* `option-parser`: Set default theme config to `limestone`.
+* `SnapshotPlugin`: Added `limestone` support for clearing resource bundle.
+
 # 7.0.4 (April 7, 2026)
 
 * Fixed `EnactFrameworkRefPlugin` to detect imports that come from ignored packages and bundle them directly into the view instead of trying to externalize them.
diff --git a/option-parser.js b/option-parser.js
index 6430cff..66b5ae5 100644
--- a/option-parser.js
+++ b/option-parser.js
@@ -114,7 +114,7 @@ const config = {
 		enact = Object.assign(enact, meta);
 
 		// Parse the theme config tree for defaults
-		config.theme = themeConfig(pkg.path, process.env.ENACT_THEME || enact.theme || 'sandstone');
+		config.theme = themeConfig(pkg.path, process.env.ENACT_THEME || enact.theme || 'limestone');
 
 		// Optional alternate entrypoint for isomorphic builds.
 		config.isomorphic = computed('isomorphic', enact, config.theme);
@@ -145,7 +145,7 @@ const config = {
 		config.additionalModulePaths = computed('additionalModulePaths', enact, config.theme);
 		config.entry = computed('entry', enact, config.theme);
 
-		// Resolve array of screenType configurations. When not found, falls back to any theme preset or sandstone.
+		// Resolve array of screenType configurations. When not found, falls back to any theme preset or limestone.
 		const screens = computed('screenTypes', enact, config.theme);
 		config.screenTypes =
 			(Array.isArray(screens) && screens) ||
@@ -161,7 +161,7 @@ const config = {
 			? riConfig
 			: config.screenTypes.reduce((r, s) => (s.base && {baseSize: s.pxPerRem}) || r, undefined);
 
-		// Resolved filepath to fontGenerator. When not found, falls back to any theme preset or sandstone.
+		// Resolved filepath to fontGenerator. When not found, falls back to any theme preset or limestone.
 		const fontGenerator = computed('fontGenerator', enact, config.theme);
 		config.fontGenerator =
 			fontGenerator &&
diff --git a/plugins/ILibPlugin/README.md b/plugins/ILibPlugin/README.md
index 7a30594..e7680fc 100644
--- a/plugins/ILibPlugin/README.md
+++ b/plugins/ILibPlugin/README.md
@@ -30,7 +30,7 @@ Allowed values are as follows:
 
 - `ilib`: Custom path to the iLib codebase. Alternatively, a `ILIB_BASE_PATH` environment variable can be set to specify a path. When passed an absoute path, the `emit` option will be set to `false`. Defaults to `node_modules/@enact/i18n/ilib`.
 - `resources`: Custom path to the app-level resource bundle. Defaults to `resources`.  Can be set to `false` to disable detection/handling of app-level resources.
-- `bundles`: Any additional resource bundles to copy to the output directory. Defaults to `[]`. Will automatically add the `@enact/sandstone` ResBundle if detected.
+- `bundles`: Any additional resource bundles to copy to the output directory. Defaults to `[]`. Will automatically add the `@enact/limestone` ResBundle if detected.
 - `create`: Whether or not to dynamically generate any `ilibmanifest.json` files, if a bundle is missing it. Defaults to `true`.
 - `emit`: Whether or not to emit the stock iLib locale assets to the output directory. Defaults to `true`.
 - `cache`: Whether or not to cache locale/resource assets and copy emit them if they're newer/changed from source files. Defaults to `true`.
diff --git a/plugins/PrerenderPlugin/README.md b/plugins/PrerenderPlugin/README.md
index a006339..5c27a13 100644
--- a/plugins/PrerenderPlugin/README.md
+++ b/plugins/PrerenderPlugin/README.md
@@ -48,8 +48,8 @@ Allowed values are as follows:
 - `server`: Virtual DOM server module filepath to use when rendering static HTML. Defaults to `require.resolve('react-dom/server')`.
 - `externals`: Local filepath to a directory containing an external enact library bundle js and css files. Only needed if using external Enact framework bundle.
 - `deep`: A string or array of string conditions, that when met at runtime, should not display the prerendered HTML.
-- `screenTypes`: Array of 1 or more screentype definitions to be used with prerender HTML initialization. See [here](https://github.com/enactjs/sandstone/blob/master/ThemeDecorator/screenTypes.json) for an example of the sandstone screenTypes.
-- `fontGenerator`: Module path to a font stylesheet generator for prerendering fontface definitions. See [here](https://github.com/enactjs/sandstone/blob/master/ThemeDecorator/fontGenerator.js) for an example of the sandstone font generator.
+- `screenTypes`: Array of 1 or more screentype definitions to be used with prerender HTML initialization. See [here](https://github.com/enactjs/limestone/blob/master/ThemeDecorator/screenTypes.json) for an example of the limestone screenTypes.
+- `fontGenerator`: Module path to a font stylesheet generator for prerendering fontface definitions. See [here](https://github.com/enactjs/limestone/blob/master/ThemeDecorator/fontGenerator.js) for an example of the limestone font generator.
 - `externalStartup`:  A flag whether to externalize the startup javascript normally inlined with prerendered HTML output.
 
 Here's an example webpack config illustrating how to use these options:
diff --git a/plugins/SnapshotPlugin/snapshot-helper.js b/plugins/SnapshotPlugin/snapshot-helper.js
index 994978a..4c0f0e4 100644
--- a/plugins/SnapshotPlugin/snapshot-helper.js
+++ b/plugins/SnapshotPlugin/snapshot-helper.js
@@ -47,8 +47,8 @@ global.updateEnvironment = function() {
 			handleException(moonEx);
 		}
 		try {
-			var sandstoneBundle = require('@enact/sandstone/internal/$L');
-			sandstoneBundle.clearResBundle();
+			var limestoneBundle = require('@enact/limestone/internal/$L');
+			limestoneBundle.clearResBundle();
 		} catch (sandEx) {
 			handleException(sandEx);
 		}