diff --git a/.changeset/ninety-monkeys-complain.md b/.changeset/ninety-monkeys-complain.md
new file mode 100644
index 0000000000..c8a06da1f3
--- /dev/null
+++ b/.changeset/ninety-monkeys-complain.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Clear content layer cache when astro version changes
diff --git a/.changeset/swift-snakes-hope.md b/.changeset/swift-snakes-hope.md
new file mode 100644
index 0000000000..34c626b394
--- /dev/null
+++ b/.changeset/swift-snakes-hope.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Allows special characters in Action names
diff --git a/packages/astro/src/actions/runtime/virtual/get-action.ts b/packages/astro/src/actions/runtime/virtual/get-action.ts
index b547b57c10..59db34cbc0 100644
--- a/packages/astro/src/actions/runtime/virtual/get-action.ts
+++ b/packages/astro/src/actions/runtime/virtual/get-action.ts
@@ -11,7 +11,10 @@ import type { ActionAccept, ActionClient } from './server.js';
 export async function getAction(
 	path: string,
 ): Promise<ActionClient<unknown, ActionAccept, ZodType>> {
-	const pathKeys = path.replace('/_actions/', '').split('.');
+	const pathKeys = path
+		.replace('/_actions/', '')
+		.split('.')
+		.map((key) => decodeURIComponent(key));
 	// @ts-expect-error virtual module
 	let { server: actionLookup } = await import('astro:internal-actions');
 
diff --git a/packages/astro/src/content/content-layer.ts b/packages/astro/src/content/content-layer.ts
index dcb7aca9fb..df67d49a8b 100644
--- a/packages/astro/src/content/content-layer.ts
+++ b/packages/astro/src/content/content-layer.ts
@@ -146,13 +146,27 @@ export class ContentLayer {
 		const { digest: currentConfigDigest } = contentConfig.config;
 		this.#lastConfigDigest = currentConfigDigest;
 
+		let shouldClear = false;
 		const previousConfigDigest = await this.#store.metaStore().get('config-digest');
+		const previousAstroVersion = await this.#store.metaStore().get('astro-version');
 		if (currentConfigDigest && previousConfigDigest !== currentConfigDigest) {
-			logger.info('Content config changed, clearing cache');
+			logger.info('Content config changed');
+			shouldClear = true;
+		}
+		if (process.env.ASTRO_VERSION && previousAstroVersion !== process.env.ASTRO_VERSION) {
+			logger.info('Astro version changed');
+			shouldClear = true;
+		}
+		if (shouldClear) {
+			logger.info('Clearing content store');
 			this.#store.clearAll();
+		}
+		if (process.env.ASTRO_VERSION) {
+			await this.#store.metaStore().set('astro-version', process.env.ASTRO_VERSION);
+		}
+		if (currentConfigDigest) {
 			await this.#store.metaStore().set('config-digest', currentConfigDigest);
 		}
-
 		await Promise.all(
 			Object.entries(contentConfig.config.collections).map(async ([name, collection]) => {
 				if (collection.type !== CONTENT_LAYER_TYPE) {
diff --git a/packages/astro/templates/actions.mjs b/packages/astro/templates/actions.mjs
index 3ff65cecf5..b83cc4a39c 100644
--- a/packages/astro/templates/actions.mjs
+++ b/packages/astro/templates/actions.mjs
@@ -5,13 +5,17 @@ import {
 	getActionQueryString,
 } from 'astro:actions';
 
+const ENCODED_DOT = '%2E';
+
 function toActionProxy(actionCallback = {}, aggregatedPath = '') {
 	return new Proxy(actionCallback, {
 		get(target, objKey) {
 			if (objKey in target || typeof objKey === 'symbol') {
 				return target[objKey];
 			}
-			const path = aggregatedPath + objKey.toString();
+			// Add the key, encoding dots so they're not interpreted as nested properties.
+			const path =
+				aggregatedPath + encodeURIComponent(objKey.toString()).replaceAll('.', ENCODED_DOT);
 			function action(param) {
 				return handleAction(param, path, this);
 			}
diff --git a/packages/astro/test/actions.test.js b/packages/astro/test/actions.test.js
index 17758e82c8..793e6ebe77 100644
--- a/packages/astro/test/actions.test.js
+++ b/packages/astro/test/actions.test.js
@@ -115,6 +115,23 @@ describe('Astro Actions', () => {
 			assert.equal(data.success, true);
 			assert.equal(data.isFormData, true, 'Should receive plain FormData');
 		});
+
+		it('Handles special characters in action names', async () => {
+			for (const name of ['with%2Fslash', 'with%20space', 'with%2Edot']) {
+				const res = await fixture.fetch(`/_actions/${name}`, {
+					method: 'POST',
+					body: JSON.stringify({ name: 'ben' }),
+					headers: {
+						'Content-Type': 'application/json',
+					},
+				});
+				assert.equal(res.ok, true);
+				const text = await res.text();
+				assert.equal(res.headers.get('Content-Type'), 'application/json+devalue');
+				const data = devalue.parse(text);
+				assert.equal(data, 'Hello, ben!');
+			}
+		});
 	});
 
 	describe('build', () => {
@@ -428,6 +445,24 @@ describe('Astro Actions', () => {
 			const dataRest = devalue.parse(await resRest.text());
 			assert.equal('fake', dataRest?.uploadId);
 		});
+
+		it('Handles special characters in action names', async () => {
+			for (const name of ['with%2Fslash', 'with%20space', 'with%2Edot']) {
+				const req = new Request(`http://example.com/_actions/${name}`, {
+					method: 'POST',
+					body: JSON.stringify({ name: 'ben' }),
+					headers: {
+						'Content-Type': 'application/json',
+					},
+				});
+				const res = await app.render(req);
+				assert.equal(res.ok, true);
+				const text = await res.text();
+				assert.equal(res.headers.get('Content-Type'), 'application/json+devalue');
+				const data = devalue.parse(text);
+				assert.equal(data, 'Hello, ben!');
+			}
+		});
 	});
 });
 
diff --git a/packages/astro/test/fixtures/actions/src/actions/index.ts b/packages/astro/test/fixtures/actions/src/actions/index.ts
index 4e6120309f..78cc39620b 100644
--- a/packages/astro/test/fixtures/actions/src/actions/index.ts
+++ b/packages/astro/test/fixtures/actions/src/actions/index.ts
@@ -161,4 +161,28 @@ export const server = {
 			};
 		},
 	}),
+	"with.dot": defineAction({ 
+    input: z.object({
+      name: z.string(),
+    }),
+    handler: async (input) => {
+      return `Hello, ${input.name}!`
+    }
+  }),
+  "with space": defineAction({ 
+    input: z.object({
+      name: z.string(),
+    }),
+    handler: async (input) => {
+      return `Hello, ${input.name}!`
+    }
+  }),
+	"with/slash": defineAction({ 
+		input: z.object({
+			name: z.string(),
+		}),
+		handler: async (input) => {
+			return `Hello, ${input.name}!`
+		}
+	}),
 };