diff --git a/CHANGELOG.md b/CHANGELOG.md
index 048b070a1e..2f2826ec20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,21 @@
 # Svelte changelog
 
+## 1.46.0
+
+* Pass `filename` through to preprocessors ([#983](https://github.com/sveltejs/svelte/issues/983))
+
+## 1.45.0
+
+* Dynamic components ([#971](https://github.com/sveltejs/svelte/pull/971))
+
+## 1.44.2
+
+* Fix `await` blocks with siblings ([#974](https://github.com/sveltejs/svelte/issues/974))
+* Fix `await` blocks inside `if` blocks ([#975](https://github.com/sveltejs/svelte/issues/975))
+
 ## 1.44.1
 
-* Fix bidirectional transitions that reference state ([#962](https://github.com/sveltejs/svelte/issues962))
+* Fix bidirectional transitions that reference state ([#962](https://github.com/sveltejs/svelte/issues/962))
 
 ## 1.44.0
 
diff --git a/package.json b/package.json
index b033530acc..30983ad30a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte",
-  "version": "1.44.1",
+  "version": "1.46.0",
   "description": "The magical disappearing UI framework",
   "main": "compiler/svelte.js",
   "files": [
diff --git a/src/index.ts b/src/index.ts
index 081660d3d8..1caf5b5abc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -50,7 +50,7 @@ function parseAttributes(str: string) {
 	return attrs;
 }
 
-async function replaceTagContents(source, type: 'script' | 'style', preprocessor: Preprocessor) {
+async function replaceTagContents(source, type: 'script' | 'style', preprocessor: Preprocessor, options: PreprocessOptions) {
 	const exp = new RegExp(`<${type}([\\S\\s]*?)>([\\S\\s]*?)<\\/${type}>`, 'ig');
 	const match = exp.exec(source);
 
@@ -59,7 +59,8 @@ async function replaceTagContents(source, type: 'script' | 'style', preprocessor
 		const content: string = match[2];
 		const processed: { code: string, map?: SourceMap | string } = await preprocessor({
 			content,
-			attributes
+			attributes,
+			filename : options.filename
 		});
 
 		if (processed && processed.code) {
@@ -77,16 +78,19 @@ async function replaceTagContents(source, type: 'script' | 'style', preprocessor
 export async function preprocess(source: string, options: PreprocessOptions) {
 	const { markup, style, script } = options;
 	if (!!markup) {
-		const processed: { code: string, map?: SourceMap | string } = await markup({ content: source });
+		const processed: { code: string, map?: SourceMap | string } = await markup({
+			content: source,
+			filename: options.filename
+		});
 		source = processed.code;
 	}
 
 	if (!!style) {
-		source = await replaceTagContents(source, 'style', style);
+		source = await replaceTagContents(source, 'style', style, options);
 	}
 
 	if (!!script) {
-		source = await replaceTagContents(source, 'script', script);
+		source = await replaceTagContents(source, 'script', script, options);
 	}
 
 	return {
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 0d884f8472..9773d330d3 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -83,9 +83,10 @@ export interface CustomElementOptions {
 }
 
 export interface PreprocessOptions {
-	markup?: (options: {content: string}) => { code: string, map?: SourceMap | string };
+	markup?: (options: {content: string, filename: string}) => { code: string, map?: SourceMap | string };
 	style?: Preprocessor;
 	script?: Preprocessor;
+	filename?: string
 }
 
-export type Preprocessor = (options: {content: string, attributes: Record<string, string | boolean>}) => { code: string, map?: SourceMap | string };
+export type Preprocessor = (options: {content: string, attributes: Record<string, string | boolean>, filename?: string}) => { code: string, map?: SourceMap | string };
diff --git a/test/preprocess/index.js b/test/preprocess/index.js
index 29eaff67f1..6ed452f672 100644
--- a/test/preprocess/index.js
+++ b/test/preprocess/index.js
@@ -126,6 +126,41 @@ describe('preprocess', () => {
 		});
 	});
 
+	it('provides filename to processing hooks', () => {
+		const source = `
+			<h1>Hello __MARKUP_FILENAME__!</h1>
+			<style>.red { color: __STYLE_FILENAME__; }</style>
+			<script>console.log('__SCRIPT_FILENAME__');</script>
+		`;
+
+		const expected = `
+			<h1>Hello file.html!</h1>
+			<style>.red { color: file.html; }</style>
+			<script>console.log('file.html');</script>
+		`;
+
+		return svelte.preprocess(source, {
+			filename: 'file.html',
+			markup: ({ content, filename }) => {
+				return {
+					code: content.replace('__MARKUP_FILENAME__', filename)
+				};
+			},
+			style: ({ content, filename }) => {
+				return {
+					code: content.replace('__STYLE_FILENAME__', filename)
+				};
+			},
+			script: ({ content, filename }) => {
+				return {
+					code: content.replace('__SCRIPT_FILENAME__', filename)
+				};
+			}
+		}).then(processed => {
+			assert.equal(processed.toString(), expected);
+		});
+	});
+
 	it('ignores null/undefined returned from preprocessor', () => {
 		const source = `
 			<script>
@@ -145,4 +180,4 @@ describe('preprocess', () => {
 			assert.equal(processed.toString(), expected);
 		});
 	});
-});
\ No newline at end of file
+});