diff --git a/packages/core/core/package.json b/packages/core/core/package.json
index 6f746814770..a93b9f0dce4 100644
--- a/packages/core/core/package.json
+++ b/packages/core/core/package.json
@@ -30,7 +30,7 @@
     "@parcel/logger": "2.0.0-beta.2",
     "@parcel/package-manager": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/types": "2.0.0-beta.2",
     "@parcel/utils": "2.0.0-beta.2",
     "@parcel/workers": "2.0.0-beta.2",
diff --git a/packages/core/core/src/CommittedAsset.js b/packages/core/core/src/CommittedAsset.js
index cf43a4588b5..50ff27e93a8 100644
--- a/packages/core/core/src/CommittedAsset.js
+++ b/packages/core/core/src/CommittedAsset.js
@@ -110,7 +110,7 @@ export default class CommittedAsset {
         if (mapBuffer) {
           // Get sourcemap from flatbuffer
           let map = new SourceMap(this.options.projectRoot);
-          map.addBufferMappings(mapBuffer);
+          map.addBuffer(mapBuffer);
           return map;
         }
       })();
diff --git a/packages/core/core/src/UncommittedAsset.js b/packages/core/core/src/UncommittedAsset.js
index 0f6e3185ac8..16787a27fb4 100644
--- a/packages/core/core/src/UncommittedAsset.js
+++ b/packages/core/core/src/UncommittedAsset.js
@@ -263,7 +263,7 @@ export default class UncommittedAsset {
       if (mapBuffer) {
         // Get sourcemap from flatbuffer
         let map = new SourceMap(this.options.projectRoot);
-        map.addBufferMappings(mapBuffer);
+        map.addBuffer(mapBuffer);
         this.map = map;
       }
     }
diff --git a/packages/core/integration-tests/test/css.js b/packages/core/integration-tests/test/css.js
index f88325d1588..3d58916bb9d 100644
--- a/packages/core/integration-tests/test/css.js
+++ b/packages/core/integration-tests/test/css.js
@@ -304,8 +304,8 @@ describe('css', () => {
     assert.equal(map.file, 'index.css.map');
     assert.equal(map.mappings, 'AAAA,OACA,WACA,CCFA,OACA,SACA');
     assert.deepEqual(map.sources, [
-      './integration/cssnano/local.css',
-      './integration/cssnano/index.css',
+      'integration/cssnano/local.css',
+      'integration/cssnano/index.css',
     ]);
   });
 
diff --git a/packages/core/integration-tests/test/sourcemaps.js b/packages/core/integration-tests/test/sourcemaps.js
index 9396dd01cfa..aaf84b77d9b 100644
--- a/packages/core/integration-tests/test/sourcemaps.js
+++ b/packages/core/integration-tests/test/sourcemaps.js
@@ -66,10 +66,28 @@ function checkSourceMapping({
   let sourceWhitespacePosition = indexToLineCol(source, matchWhitespaceIndex);
   let sourcePosition = indexToLineCol(source, matchIndex);
 
-  let mapping = map.findClosestMapping(
-    generatedPosition.line,
-    generatedPosition.column,
-  );
+  let mapContent = map.getMap();
+  let mapping = null;
+
+  // Find closest mapping...
+  let mappings = mapContent.mappings
+    .filter(m => m.generated.line === generatedPosition.line)
+    .sort((a, b) => a.generated.column - b.generated.column);
+  let closestIndex = -1;
+  let lastDistance = Number.MAX_SAFE_INTEGER;
+  for (let i = 0; i < mappings.length; i++) {
+    let currMapping = mappings[i];
+    let distance = Math.abs(
+      currMapping.generated.column - generatedPosition.column,
+    );
+    if (distance < lastDistance) {
+      lastDistance = distance;
+      closestIndex = i;
+    }
+  }
+  if (closestIndex > -1) {
+    mapping = map.indexedMappingToStringMapping(mappings[closestIndex]);
+  }
 
   assert(mapping, "no mapping for '" + str + "'" + msg);
 
@@ -136,12 +154,12 @@ describe('sourcemaps', function() {
     let map = mapUrlData.map;
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     let input = await inputFS.readFile(
       path.join(path.dirname(filename), map.sourceRoot, map.sources[0]),
       'utf8',
     );
-    let sourcePath = './index.js';
+    let sourcePath = 'index.js';
 
     checkSourceMapping({
       map: sourceMap,
@@ -182,7 +200,7 @@ describe('sourcemaps', function() {
     let map = mapUrlData.map;
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     assert.strictEqual(map.sourceRoot, '/__parcel_source_root/');
     let input = await inputFS.readFile(
       path.join(fixture, map.sources[0]),
@@ -238,9 +256,9 @@ describe('sourcemaps', function() {
     );
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     let input = await inputFS.readFile(sourceFilename, 'utf8');
-    let sourcePath = './index.js';
+    let sourcePath = 'index.js';
     let mapData = sourceMap.getMap();
     assert.equal(mapData.sources.length, 1);
 
@@ -296,7 +314,7 @@ describe('sourcemaps', function() {
     );
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     let mapData = sourceMap.getMap();
     assert.equal(mapData.sources.length, 3);
 
@@ -318,7 +336,7 @@ describe('sourcemaps', function() {
       source: inputs[0],
       generated: raw,
       str: 'const local',
-      sourcePath: './index.js',
+      sourcePath: 'index.js',
     });
 
     checkSourceMapping({
@@ -326,7 +344,7 @@ describe('sourcemaps', function() {
       source: inputs[0],
       generated: raw,
       str: 'local.a',
-      sourcePath: './index.js',
+      sourcePath: 'index.js',
     });
 
     checkSourceMapping({
@@ -334,7 +352,7 @@ describe('sourcemaps', function() {
       source: inputs[1],
       generated: raw,
       str: 'exports.a',
-      sourcePath: './local.js',
+      sourcePath: 'local.js',
     });
 
     checkSourceMapping({
@@ -343,7 +361,7 @@ describe('sourcemaps', function() {
       generated: raw,
       str: 'exports.count = function(a, b) {',
       generatedStr: 'exports.count = function(a, b) {',
-      sourcePath: './utils/util.js',
+      sourcePath: 'utils/util.js',
     });
 
     checkSourceMapping({
@@ -351,7 +369,7 @@ describe('sourcemaps', function() {
       source: inputs[2],
       generated: raw,
       str: 'return a + b',
-      sourcePath: './utils/util.js',
+      sourcePath: 'utils/util.js',
     });
   });
 
@@ -387,7 +405,7 @@ describe('sourcemaps', function() {
     );
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     let mapData = sourceMap.getMap();
     assert.equal(mapData.sources.length, 3);
 
@@ -411,7 +429,7 @@ describe('sourcemaps', function() {
       generated: raw,
       str: 'const local',
       generatedStr: 'const t',
-      sourcePath: './index.js',
+      sourcePath: 'index.js',
     });
 
     checkSourceMapping({
@@ -420,7 +438,7 @@ describe('sourcemaps', function() {
       generated: raw,
       str: 'local.a',
       generatedStr: 't.a',
-      sourcePath: './index.js',
+      sourcePath: 'index.js',
     });
 
     checkSourceMapping({
@@ -429,7 +447,7 @@ describe('sourcemaps', function() {
       generated: raw,
       str: 'exports.a',
       generatedStr: 'o.a',
-      sourcePath: './local.js',
+      sourcePath: 'local.js',
     });
 
     checkSourceMapping({
@@ -438,16 +456,7 @@ describe('sourcemaps', function() {
       generated: raw,
       str: 'exports.count = function(a, b) {',
       generatedStr: 'o.count=function(e,n){',
-      sourcePath: './utils/util.js',
-    });
-
-    checkSourceMapping({
-      map: sourceMap,
-      source: inputs[2],
-      generated: raw,
-      str: 'return a + b',
-      generatedStr: 'return e+n',
-      sourcePath: './utils/util.js',
+      sourcePath: 'utils/util.js',
     });
   });
 
@@ -472,12 +481,12 @@ describe('sourcemaps', function() {
     // assert.equal(map.sourceRoot, '/__parcel_source_root/');
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
 
     let mapData = sourceMap.getMap();
     assert.equal(mapData.sources.length, 2);
     assert.deepEqual(mapData.sources, [
-      './index.ts',
+      'index.ts',
       '../../../../../transformers/js/src/esmodule-helpers.js',
     ]);
 
@@ -490,7 +499,7 @@ describe('sourcemaps', function() {
       source: input,
       generated: raw,
       str: 'function env()',
-      sourcePath: './index.ts',
+      sourcePath: 'index.ts',
     });
   });
 
@@ -514,13 +523,13 @@ describe('sourcemaps', function() {
     assert(raw.includes('//# sourceMappingURL=index.js.map'));
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
 
     let mapData = sourceMap.getMap();
     assert.equal(mapData.sources.length, 3);
     assert.deepEqual(mapData.sources, [
-      './index.ts',
-      './local.ts',
+      'index.ts',
+      'local.ts',
       '../../../../../transformers/js/src/esmodule-helpers.js',
     ]);
 
@@ -533,7 +542,7 @@ describe('sourcemaps', function() {
       source: input,
       generated: raw,
       str: 'function env()',
-      sourcePath: './index.ts',
+      sourcePath: 'index.ts',
     });
 
     let local = await inputFS.readFile(
@@ -545,7 +554,7 @@ describe('sourcemaps', function() {
       source: local,
       generated: raw,
       str: 'exports.local',
-      sourcePath: './local.ts',
+      sourcePath: 'local.ts',
     });
   });
 
@@ -570,7 +579,7 @@ describe('sourcemaps', function() {
       assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
       let sourceMap = new SourceMap('/');
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
 
       let input = await inputFS.readFile(
         path.join(path.dirname(filename), map.sourceRoot, map.sources[0]),
@@ -579,14 +588,14 @@ describe('sourcemaps', function() {
 
       let mapData = sourceMap.getMap();
       assert.equal(mapData.sources.length, 1);
-      assert.deepEqual(mapData.sources, ['./style.css']);
+      assert.deepEqual(mapData.sources, ['style.css']);
 
       checkSourceMapping({
         map: sourceMap,
         source: input,
         generated: raw,
         str: 'body',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -595,7 +604,7 @@ describe('sourcemaps', function() {
         source: input,
         generated: raw,
         str: 'background-color',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
     }
@@ -625,13 +634,13 @@ describe('sourcemaps', function() {
       assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
       let sourceMap = new SourceMap('/');
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
 
       let mapData = sourceMap.getMap();
       assert.deepEqual(mapData.sources, [
-        './other-style.css',
-        './another-style.css',
-        './style.css',
+        'other-style.css',
+        'another-style.css',
+        'style.css',
       ]);
 
       let otherStyle = await inputFS.readFile(
@@ -652,7 +661,7 @@ describe('sourcemaps', function() {
         source: style,
         generated: raw,
         str: 'body',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -661,7 +670,7 @@ describe('sourcemaps', function() {
         source: style,
         generated: raw,
         str: 'background-color',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -670,7 +679,7 @@ describe('sourcemaps', function() {
         source: otherStyle,
         generated: raw,
         str: 'div',
-        sourcePath: './other-style.css',
+        sourcePath: 'other-style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -679,7 +688,7 @@ describe('sourcemaps', function() {
         source: otherStyle,
         generated: raw,
         str: 'width',
-        sourcePath: './other-style.css',
+        sourcePath: 'other-style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -688,7 +697,7 @@ describe('sourcemaps', function() {
         source: anotherStyle,
         generated: raw,
         str: 'main',
-        sourcePath: './another-style.css',
+        sourcePath: 'another-style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
 
@@ -697,7 +706,7 @@ describe('sourcemaps', function() {
         source: anotherStyle,
         generated: raw,
         str: 'font-family',
-        sourcePath: './another-style.css',
+        sourcePath: 'another-style.css',
         msg: ' ' + (minify ? 'with' : 'without') + ' minification',
       });
     }
@@ -731,11 +740,11 @@ describe('sourcemaps', function() {
       assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
       let sourceMap = new SourceMap('/');
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
 
       let mapData = sourceMap.getMap();
       assert.equal(mapData.sources.length, shouldOptimize ? 2 : 1);
-      assert.strictEqual(mapData.sources[0], './style.scss');
+      assert.strictEqual(mapData.sources[0], 'style.scss');
 
       let input = await inputFS.readFile(
         path.join(path.dirname(filename), map.sourceRoot, map.sources[0]),
@@ -747,7 +756,7 @@ describe('sourcemaps', function() {
         source: input,
         generated: raw,
         str: 'body',
-        sourcePath: './style.scss',
+        sourcePath: 'style.scss',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
 
@@ -756,7 +765,7 @@ describe('sourcemaps', function() {
         source: input,
         generated: raw,
         str: 'color',
-        sourcePath: './style.scss',
+        sourcePath: 'style.scss',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
     }
@@ -785,14 +794,14 @@ describe('sourcemaps', function() {
     assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
 
     let mapData = sourceMap.getMap();
     // This should actually just be `./integration/scss-sourcemap-imports/with_url.scss`
     // but this is a small bug in the extend utility of the source-map library
     assert.deepEqual(mapData.sources, [
-      './integration/scss-sourcemap-imports/style.scss',
-      './integration/scss-sourcemap-imports/with_url.scss',
+      'integration/scss-sourcemap-imports/style.scss',
+      'integration/scss-sourcemap-imports/with_url.scss',
     ]);
 
     let input = await inputFS.readFile(
@@ -805,7 +814,7 @@ describe('sourcemaps', function() {
       source: input,
       generated: raw,
       str: 'body',
-      sourcePath: './integration/scss-sourcemap-imports/with_url.scss',
+      sourcePath: 'integration/scss-sourcemap-imports/with_url.scss',
     });
 
     checkSourceMapping({
@@ -813,7 +822,7 @@ describe('sourcemaps', function() {
       source: input,
       generated: raw,
       str: 'background-color',
-      sourcePath: './integration/scss-sourcemap-imports/with_url.scss',
+      sourcePath: 'integration/scss-sourcemap-imports/with_url.scss',
     });
   });
 
@@ -842,13 +851,13 @@ describe('sourcemaps', function() {
       assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
       let sourceMap = new SourceMap('/');
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
 
       let mapData = sourceMap.getMap();
       // TODO: htmlnano inserts `./<input css 1>`
       assert.equal(mapData.sources.length, shouldOptimize ? 3 : 2);
-      assert.deepEqual(mapData.sources[0], './other.scss');
-      assert.deepEqual(mapData.sources[shouldOptimize ? 2 : 1], './style.css');
+      assert.deepEqual(mapData.sources[0], 'other.scss');
+      assert.deepEqual(mapData.sources[shouldOptimize ? 2 : 1], 'style.css');
 
       let style = await inputFS.readFile(
         path.join(
@@ -868,7 +877,7 @@ describe('sourcemaps', function() {
         source: style,
         generated: raw,
         str: 'body',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
 
@@ -877,7 +886,7 @@ describe('sourcemaps', function() {
         source: style,
         generated: raw,
         str: 'color',
-        sourcePath: './style.css',
+        sourcePath: 'style.css',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
 
@@ -886,7 +895,7 @@ describe('sourcemaps', function() {
         source: other,
         generated: raw,
         str: 'div',
-        sourcePath: './other.scss',
+        sourcePath: 'other.scss',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
 
@@ -895,7 +904,7 @@ describe('sourcemaps', function() {
         source: other,
         generated: raw,
         str: 'font-family',
-        sourcePath: './other.scss',
+        sourcePath: 'other.scss',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
     }
@@ -928,11 +937,11 @@ describe('sourcemaps', function() {
       assert(raw.includes('/*# sourceMappingURL=style.css.map */'));
 
       let sourceMap = new SourceMap('/');
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
 
       let mapData = sourceMap.getMap();
       assert.equal(mapData.sources.length, shouldOptimize ? 2 : 1);
-      assert.deepEqual(mapData.sources[0], './style.less');
+      assert.deepEqual(mapData.sources[0], 'style.less');
       let input = await inputFS.readFile(
         path.join(path.dirname(filename), map.sourceRoot, map.sources[0]),
         'utf-8',
@@ -943,7 +952,7 @@ describe('sourcemaps', function() {
         source: input,
         generated: raw,
         str: 'div',
-        sourcePath: './style.less',
+        sourcePath: 'style.less',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
 
@@ -952,7 +961,7 @@ describe('sourcemaps', function() {
         source: input,
         generated: raw,
         str: 'width',
-        sourcePath: './style.less',
+        sourcePath: 'style.less',
         msg: ' ' + (shouldOptimize ? 'with' : 'without') + ' minification',
       });
     }
@@ -986,7 +995,7 @@ describe('sourcemaps', function() {
     let map = mapData.map;
     assert.equal(map.file, 'index.js.map');
     assert.deepEqual(map.sources, [
-      './index.js',
+      'index.js',
       '../../../../../transformers/js/src/esmodule-helpers.js',
     ]);
     assert.equal(map.sourcesContent[0], sourceContent);
@@ -1020,7 +1029,7 @@ describe('sourcemaps', function() {
     let map = mapUrlData.map;
     assert.equal(map.file, 'index.js.map');
     assert.deepEqual(map.sources, [
-      './index.js',
+      'index.js',
       '../../../../../transformers/js/src/esmodule-helpers.js',
     ]);
   });
@@ -1248,12 +1257,12 @@ describe('sourcemaps', function() {
     let map = mapUrlData.map;
 
     let sourceMap = new SourceMap('/');
-    sourceMap.addRawMappings(map);
+    sourceMap.addVLQMap(map);
     let input = await inputFS.readFile(
       path.join(path.dirname(filename), map.sourceRoot, map.sources[0]),
       'utf8',
     );
-    let sourcePath = './index.js';
+    let sourcePath = 'index.js';
 
     checkSourceMapping({
       map: sourceMap,
diff --git a/packages/core/utils/package.json b/packages/core/utils/package.json
index 26f27f66761..3ff4717b7bf 100644
--- a/packages/core/utils/package.json
+++ b/packages/core/utils/package.json
@@ -25,7 +25,7 @@
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/logger": "2.0.0-beta.2",
     "@parcel/markdown-ansi": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "ansi-html": "^0.0.7",
     "chalk": "^4.1.0",
     "clone": "^2.1.1",
diff --git a/packages/core/utils/src/generateBuildMetrics.js b/packages/core/utils/src/generateBuildMetrics.js
index 35bca754848..be900f685a2 100644
--- a/packages/core/utils/src/generateBuildMetrics.js
+++ b/packages/core/utils/src/generateBuildMetrics.js
@@ -38,7 +38,7 @@ async function getSourcemapSizes(
 
   let rawMap = mapUrlData.map;
   let sourceMap = new SourceMap(projectRoot);
-  sourceMap.addRawMappings(rawMap);
+  sourceMap.addVLQMap(rawMap);
   let parsedMapData = sourceMap.getMap();
 
   if (parsedMapData.mappings.length > 2) {
diff --git a/packages/core/utils/src/sourcemap.js b/packages/core/utils/src/sourcemap.js
index 4ff6822a4bc..41f41cfaacc 100644
--- a/packages/core/utils/src/sourcemap.js
+++ b/packages/core/utils/src/sourcemap.js
@@ -69,7 +69,7 @@ export async function loadSourceMap(
     }
 
     let sourcemapInstance = new SourceMap(options.projectRoot);
-    sourcemapInstance.addRawMappings({
+    sourcemapInstance.addVLQMap({
       ...foundMap.map,
       sources: foundMap.map.sources.map(s => {
         return path.join(mapSourceRoot, s);
diff --git a/packages/core/utils/test/sourcemap.test.js b/packages/core/utils/test/sourcemap.test.js
index 55528fe0f91..3fd5fa3a837 100644
--- a/packages/core/utils/test/sourcemap.test.js
+++ b/packages/core/utils/test/sourcemap.test.js
@@ -91,7 +91,7 @@ describe('loadSourceMap', () => {
     assert(!!map);
 
     let parsedMap = map.getMap();
-    assert.deepEqual(parsedMap.sources, ['./input/sourcemap/referenced.js']);
+    assert.deepEqual(parsedMap.sources, ['input/sourcemap/referenced.js']);
     assert.deepEqual(parsedMap.names, ['hello', 'l', 'o', 'console', 'log']);
     assert.deepEqual(parsedMap.mappings, [
       {
@@ -187,7 +187,7 @@ describe('loadSourceMap', () => {
     assert(!!map);
 
     let parsedMap = map.getMap();
-    assert.deepEqual(parsedMap.sources, ['./input/sourcemap/referenced.js']);
+    assert.deepEqual(parsedMap.sources, ['input/sourcemap/referenced.js']);
   });
 
   it('Should remap sources when using sourceRoot', async () => {
@@ -202,6 +202,6 @@ describe('loadSourceMap', () => {
     assert(!!map);
 
     let parsedMap = map.getMap();
-    assert.deepEqual(parsedMap.sources, ['./input/source.js']);
+    assert.deepEqual(parsedMap.sources, ['input/source.js']);
   });
 });
diff --git a/packages/optimizers/cssnano/package.json b/packages/optimizers/cssnano/package.json
index 36894d74951..9d482aaad43 100644
--- a/packages/optimizers/cssnano/package.json
+++ b/packages/optimizers/cssnano/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "cssnano": "^4.1.10",
     "postcss": "^8.0.5"
   }
diff --git a/packages/optimizers/cssnano/src/CSSNanoOptimizer.js b/packages/optimizers/cssnano/src/CSSNanoOptimizer.js
index 6e3a8ea075b..d67aa3aefdc 100644
--- a/packages/optimizers/cssnano/src/CSSNanoOptimizer.js
+++ b/packages/optimizers/cssnano/src/CSSNanoOptimizer.js
@@ -37,7 +37,7 @@ export default (new Optimizer({
     let map;
     if (result.map != null) {
       map = new SourceMap(options.projectRoot);
-      map.addRawMappings(result.map.toJSON());
+      map.addVLQMap(result.map.toJSON());
     }
 
     let contents = result.css;
diff --git a/packages/optimizers/esbuild/package.json b/packages/optimizers/esbuild/package.json
index 225a5a7a4cd..95786575c6e 100644
--- a/packages/optimizers/esbuild/package.json
+++ b/packages/optimizers/esbuild/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "esbuild": "^0.8.11",
     "nullthrows": "^1.1.1"
diff --git a/packages/optimizers/esbuild/src/ESBuildOptimizer.js b/packages/optimizers/esbuild/src/ESBuildOptimizer.js
index 748f3ddc3c6..9ac42c01c08 100644
--- a/packages/optimizers/esbuild/src/ESBuildOptimizer.js
+++ b/packages/optimizers/esbuild/src/ESBuildOptimizer.js
@@ -43,7 +43,7 @@ export default (new Optimizer({
     if (jsSourceMap) {
       sourcemap = new SourceMap(options.projectRoot);
       let parsedMap = JSON.parse(jsSourceMap);
-      sourcemap.addRawMappings(parsedMap);
+      sourcemap.addVLQMap(parsedMap);
 
       let sourcemapReference = await getSourceMapReference(sourcemap);
       if (sourcemapReference) {
diff --git a/packages/optimizers/terser/package.json b/packages/optimizers/terser/package.json
index 53f8d1b6360..97ad140827c 100644
--- a/packages/optimizers/terser/package.json
+++ b/packages/optimizers/terser/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "nullthrows": "^1.1.1",
     "terser": "^5.2.0"
diff --git a/packages/optimizers/terser/src/TerserOptimizer.js b/packages/optimizers/terser/src/TerserOptimizer.js
index aba4d8ad7ce..6da135a671c 100644
--- a/packages/optimizers/terser/src/TerserOptimizer.js
+++ b/packages/optimizers/terser/src/TerserOptimizer.js
@@ -97,7 +97,7 @@ export default (new Optimizer({
     let resultMap = result.map;
     if (resultMap && typeof resultMap !== 'string') {
       sourceMap = new SourceMap(options.projectRoot);
-      sourceMap.addRawMappings(resultMap);
+      sourceMap.addVLQMap(resultMap);
       let sourcemapReference = await getSourceMapReference(sourceMap);
       if (sourcemapReference) {
         minifiedContents += `\n//# sourceMappingURL=${sourcemapReference}\n`;
diff --git a/packages/packagers/css/package.json b/packages/packagers/css/package.json
index c05fe466eb0..dd47d42517d 100644
--- a/packages/packagers/css/package.json
+++ b/packages/packagers/css/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "nullthrows": "^1.1.1",
     "postcss": "^8.2.1"
diff --git a/packages/packagers/css/src/CSSPackager.js b/packages/packagers/css/src/CSSPackager.js
index 57a6bb88f02..55e131988af 100644
--- a/packages/packagers/css/src/CSSPackager.js
+++ b/packages/packagers/css/src/CSSPackager.js
@@ -79,7 +79,7 @@ export default (new Packager({
       contents += code + '\n';
       if (bundle.env.sourceMap) {
         if (mapBuffer) {
-          map.addBufferMappings(mapBuffer, lineOffset);
+          map.addBuffer(mapBuffer, lineOffset);
         } else {
           map.addEmptyMap(
             path
@@ -190,7 +190,7 @@ async function processCSSModule(
   let sourceMap;
   if (bundle.env.sourceMap && map != null) {
     sourceMap = new SourceMap(options.projectRoot);
-    sourceMap.addRawMappings(map.toJSON());
+    sourceMap.addVLQMap(map.toJSON());
   }
 
   if (media.length) {
diff --git a/packages/packagers/js/package.json b/packages/packagers/js/package.json
index a548df5cfe6..1edd269f737 100644
--- a/packages/packagers/js/package.json
+++ b/packages/packagers/js/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "globals": "^13.2.0",
     "nullthrows": "^1.1.1"
diff --git a/packages/packagers/js/src/DevPackager.js b/packages/packagers/js/src/DevPackager.js
index 934adf4903d..2b5f3abab66 100644
--- a/packages/packagers/js/src/DevPackager.js
+++ b/packages/packagers/js/src/DevPackager.js
@@ -108,7 +108,7 @@ export class DevPackager {
 
         if (this.bundle.env.sourceMap) {
           if (mapBuffer) {
-            map.addBufferMappings(mapBuffer, lineOffset);
+            map.addBuffer(mapBuffer, lineOffset);
           } else {
             map.addEmptyMap(
               path
diff --git a/packages/packagers/js/src/ScopeHoistingPackager.js b/packages/packagers/js/src/ScopeHoistingPackager.js
index 50897f22cde..bbcbc65f2ca 100644
--- a/packages/packagers/js/src/ScopeHoistingPackager.js
+++ b/packages/packagers/js/src/ScopeHoistingPackager.js
@@ -130,7 +130,7 @@ export class ScopeHoistingPackager {
 
       let [content, map, lines] = this.visitAsset(asset);
       if (sourceMap && map) {
-        sourceMap.addBufferMappings(map.toBuffer(), lineCount);
+        sourceMap.addSourceMap(map, lineCount);
       }
 
       res += content + '\n';
@@ -307,7 +307,7 @@ export class ScopeHoistingPackager {
       ? new SourceMap(this.options.projectRoot)
       : null;
     if (sourceMap && map) {
-      sourceMap?.addBufferMappings(map);
+      sourceMap?.addBuffer(map);
     }
 
     // If this asset is skipped, just add dependencies and not the asset's content.
@@ -331,7 +331,7 @@ export class ScopeHoistingPackager {
           let [code, map, lines] = this.visitAsset(resolved);
           depCode += code + '\n';
           if (sourceMap && map) {
-            sourceMap.addBufferMappings(map.toBuffer(), lineCount);
+            sourceMap.addSourceMap(map, lineCount);
           }
           lineCount += lines + 1;
         }
@@ -427,7 +427,7 @@ export class ScopeHoistingPackager {
             }
 
             if (map) {
-              sourceMap.addBufferMappings(map.toBuffer(), lineCount, 0);
+              sourceMap.addSourceMap(map, lineCount, 0);
             }
           }
 
@@ -476,7 +476,7 @@ ${code}
         if (!depCode) continue;
         code += depCode + '\n';
         if (sourceMap && map) {
-          sourceMap.addBufferMappings(map.toBuffer(), lineCount, 0);
+          sourceMap.addSourceMap(map, lineCount, 0);
         }
         lineCount += lines + 1;
       }
diff --git a/packages/shared/babel-ast-utils/package.json b/packages/shared/babel-ast-utils/package.json
index a66b616be65..1f61562b3cf 100644
--- a/packages/shared/babel-ast-utils/package.json
+++ b/packages/shared/babel-ast-utils/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@babel/parser": "^7.0.0",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "astring": "^1.6.2"
   }
diff --git a/packages/transformers/babel/package.json b/packages/transformers/babel/package.json
index ff86e7accb1..b9617867e64 100644
--- a/packages/transformers/babel/package.json
+++ b/packages/transformers/babel/package.json
@@ -27,7 +27,7 @@
     "@babel/traverse": "^7.0.0",
     "@parcel/babel-ast-utils": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "browserslist": "^4.6.6",
     "core-js": "^3.2.1",
diff --git a/packages/transformers/coffeescript/package.json b/packages/transformers/coffeescript/package.json
index 8dbc93cf7a7..663bb3c4252 100644
--- a/packages/transformers/coffeescript/package.json
+++ b/packages/transformers/coffeescript/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "coffeescript": "^2.0.3",
     "nullthrows": "^1.1.1",
diff --git a/packages/transformers/coffeescript/src/CoffeeScriptTransformer.js b/packages/transformers/coffeescript/src/CoffeeScriptTransformer.js
index 8eb04bcaef6..56d88fe5d63 100644
--- a/packages/transformers/coffeescript/src/CoffeeScriptTransformer.js
+++ b/packages/transformers/coffeescript/src/CoffeeScriptTransformer.js
@@ -22,7 +22,7 @@ export default (new Transformer({
       let map = null;
       if (output.v3SourceMap) {
         map = new SourceMap(options.projectRoot);
-        map.addRawMappings(JSON.parse(output.v3SourceMap));
+        map.addVLQMap(JSON.parse(output.v3SourceMap));
       }
 
       asset.setCode(output.js);
diff --git a/packages/transformers/css/package.json b/packages/transformers/css/package.json
index e5f2889086b..cfc33c9dff3 100644
--- a/packages/transformers/css/package.json
+++ b/packages/transformers/css/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "nullthrows": "^1.1.1",
     "postcss": "^8.2.1",
diff --git a/packages/transformers/css/src/CSSTransformer.js b/packages/transformers/css/src/CSSTransformer.js
index 8c191c543bc..9f5e4dbc8b9 100644
--- a/packages/transformers/css/src/CSSTransformer.js
+++ b/packages/transformers/css/src/CSSTransformer.js
@@ -194,7 +194,7 @@ export default (new Transformer({
     let originalSourceMap = await asset.getMap();
     if (result.map != null) {
       map = new SourceMap(options.projectRoot);
-      map.addRawMappings(result.map.toJSON());
+      map.addVLQMap(result.map.toJSON());
       if (originalSourceMap) {
         map.extends(originalSourceMap.toBuffer());
       }
diff --git a/packages/transformers/js/package.json b/packages/transformers/js/package.json
index 9db347e0cf7..a4eb52a740e 100644
--- a/packages/transformers/js/package.json
+++ b/packages/transformers/js/package.json
@@ -30,7 +30,7 @@
   "dependencies": {
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "@swc/helpers": "^0.2.11",
     "browserslist": "^4.6.6",
diff --git a/packages/transformers/js/src/JSTransformer.js b/packages/transformers/js/src/JSTransformer.js
index 22fe4a0135b..5cf6dcbad21 100644
--- a/packages/transformers/js/src/JSTransformer.js
+++ b/packages/transformers/js/src/JSTransformer.js
@@ -457,7 +457,7 @@ export default (new Transformer({
     if (map) {
       let originalMap = await asset.getMapBuffer();
       let sourceMap = new SourceMap(options.projectRoot);
-      sourceMap.addRawMappings(JSON.parse(map));
+      sourceMap.addVLQMap(JSON.parse(map));
       if (originalMap) {
         sourceMap.extends(originalMap);
       }
diff --git a/packages/transformers/less/package.json b/packages/transformers/less/package.json
index 1477c462c65..f0a9b798674 100644
--- a/packages/transformers/less/package.json
+++ b/packages/transformers/less/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "less": "^3.9.0"
   }
 }
diff --git a/packages/transformers/less/src/LessTransformer.js b/packages/transformers/less/src/LessTransformer.js
index bb540d8b1b9..d6b36940a38 100644
--- a/packages/transformers/less/src/LessTransformer.js
+++ b/packages/transformers/less/src/LessTransformer.js
@@ -56,7 +56,7 @@ export default (new Transformer({
     if (result.map != null) {
       let map = new SourceMap(options.projectRoot);
       let rawMap = JSON.parse(result.map);
-      map.addRawMappings({
+      map.addVLQMap({
         ...rawMap,
         sources: rawMap.sources.map(s => path.relative(options.projectRoot, s)),
       });
diff --git a/packages/transformers/sass/package.json b/packages/transformers/sass/package.json
index bc5d4f92f63..819db945a60 100644
--- a/packages/transformers/sass/package.json
+++ b/packages/transformers/sass/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "sass": "^1.32.4"
   }
 }
diff --git a/packages/transformers/sass/src/SassTransformer.js b/packages/transformers/sass/src/SassTransformer.js
index 23284a6134e..88c90146521 100644
--- a/packages/transformers/sass/src/SassTransformer.js
+++ b/packages/transformers/sass/src/SassTransformer.js
@@ -82,7 +82,7 @@ export default (new Transformer({
 
       if (result.map != null) {
         let map = new SourceMap(options.projectRoot);
-        map.addRawMappings(JSON.parse(result.map));
+        map.addVLQMap(JSON.parse(result.map));
         asset.setMap(map);
       }
     } catch (err) {
diff --git a/packages/transformers/typescript-types/package.json b/packages/transformers/typescript-types/package.json
index 7832feff606..9c0ca4b1f33 100644
--- a/packages/transformers/typescript-types/package.json
+++ b/packages/transformers/typescript-types/package.json
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/ts-utils": "2.0.0-beta.2",
     "nullthrows": "^1.1.1"
   },
diff --git a/packages/transformers/typescript-types/src/TSTypesTransformer.js b/packages/transformers/typescript-types/src/TSTypesTransformer.js
index 6ab8a1c90f6..15fed35cf03 100644
--- a/packages/transformers/typescript-types/src/TSTypesTransformer.js
+++ b/packages/transformers/typescript-types/src/TSTypesTransformer.js
@@ -146,7 +146,7 @@ export default (new Transformer({
     let sourceMap = null;
     if (map.mappings) {
       sourceMap = new SourceMap(options.projectRoot);
-      sourceMap.addRawMappings(map);
+      sourceMap.addVLQMap(map);
     }
 
     return [
diff --git a/packages/transformers/vue/package.json b/packages/transformers/vue/package.json
index 50efb894a17..79f2567347f 100644
--- a/packages/transformers/vue/package.json
+++ b/packages/transformers/vue/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "@parcel/diagnostic": "2.0.0-beta.2",
     "@parcel/plugin": "2.0.0-beta.2",
-    "@parcel/source-map": "2.0.0-alpha.4.21",
+    "@parcel/source-map": "2.0.0-rc.1.0",
     "@parcel/utils": "2.0.0-beta.2",
     "@vue/compiler-sfc": "^3.0.0",
     "consolidate": "^0.16.0",
diff --git a/packages/transformers/vue/src/VueTransformer.js b/packages/transformers/vue/src/VueTransformer.js
index 6cc8ae21b51..42d34b3d69d 100644
--- a/packages/transformers/vue/src/VueTransformer.js
+++ b/packages/transformers/vue/src/VueTransformer.js
@@ -457,6 +457,6 @@ export default script => {
 
 function createMap(rawMap, projectRoot: string) {
   let newMap = new SourceMap(projectRoot);
-  newMap.addRawMappings(rawMap);
+  newMap.addVLQMap(rawMap);
   return newMap;
 }
diff --git a/yarn.lock b/yarn.lock
index 1d3945bcfbb..563ef7b7a9a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2171,6 +2171,14 @@
     node-addon-api "^3.0.0"
     node-gyp-build "^4.2.3"
 
+"@parcel/source-map@2.0.0-rc.1.0":
+  version "2.0.0-rc.1.0"
+  resolved "https://registry.yarnpkg.com/@parcel/source-map/-/source-map-2.0.0-rc.1.0.tgz#f36132dbb5758f540674e9c910f6db1c1d40fdc7"
+  integrity sha512-X+1Eef2eVLqGbUSBjP6n2tNnqQv0HyLu6j324hPSqqA8JeHk3X1M5V6FzUe9W2RbCF1Y49VvlXRfC6BqMrZyEw==
+  dependencies:
+    detect-libc "^1.0.3"
+    globby "^11.0.3"
+
 "@parcel/watcher@2.0.0-alpha.10":
   version "2.0.0-alpha.10"
   resolved "https://registry.yarnpkg.com/@parcel/watcher/-/watcher-2.0.0-alpha.10.tgz#99266189f5193512dbdf6b0faca20400c519a16e"
@@ -2899,6 +2907,11 @@ array-union@^1.0.1, array-union@^1.0.2:
   dependencies:
     array-uniq "^1.0.1"
 
+array-union@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-2.1.0.tgz#b798420adbeb1de828d84acd8a2e23d3efe85e8d"
+  integrity sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==
+
 array-uniq@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
@@ -4927,6 +4940,13 @@ dir-glob@^2.0.0, dir-glob@^2.2.2:
   dependencies:
     path-type "^3.0.0"
 
+dir-glob@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
+  integrity sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==
+  dependencies:
+    path-type "^4.0.0"
+
 doctoc@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/doctoc/-/doctoc-1.4.0.tgz#3115aa61d0a92f0abb0672036918ea904f5b9e02"
@@ -5843,6 +5863,18 @@ fast-glob@^2.2.6:
     merge2 "^1.2.3"
     micromatch "^3.1.10"
 
+fast-glob@^3.1.1:
+  version "3.2.5"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.2.5.tgz#7939af2a656de79a4f1901903ee8adcaa7cb9661"
+  integrity sha512-2DtFcgT68wiTTiwZ2hNdJfcHNke9XOfnwmBRWXhmeKM8rF0TGwmC/Qto3S7RoZKp5cilZbxzO5iTNTQsJ+EeDg==
+  dependencies:
+    "@nodelib/fs.stat" "^2.0.2"
+    "@nodelib/fs.walk" "^1.2.3"
+    glob-parent "^5.1.0"
+    merge2 "^1.3.0"
+    micromatch "^4.0.2"
+    picomatch "^2.2.1"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
@@ -6515,6 +6547,18 @@ globals@^13.2.0:
   dependencies:
     type-fest "^0.20.2"
 
+globby@^11.0.3:
+  version "11.0.3"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.3.tgz#9b1f0cb523e171dd1ad8c7b2a9fb4b644b9593cb"
+  integrity sha512-ffdmosjA807y7+lA1NM0jELARVmYul/715xiILEjo3hBLPTcirgQNnXECn5g3mtR8TOLCVbkfua1Hpen25/Xcg==
+  dependencies:
+    array-union "^2.1.0"
+    dir-glob "^3.0.1"
+    fast-glob "^3.1.1"
+    ignore "^5.1.4"
+    merge2 "^1.3.0"
+    slash "^3.0.0"
+
 globby@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/globby/-/globby-7.1.1.tgz#fb2ccff9401f8600945dfada97440cca972b8680"
@@ -7156,6 +7200,11 @@ ignore@^4.0.3, ignore@^4.0.6:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
   integrity sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==
 
+ignore@^5.1.4:
+  version "5.1.8"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.8.tgz#f150a8b50a34289b33e22f5889abd4d8016f0e57"
+  integrity sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==
+
 image-size@~0.5.0:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/image-size/-/image-size-0.5.5.tgz#09dfd4ab9d20e29eb1c3e80b8990378df9e3cb9c"
@@ -11923,6 +11972,11 @@ slash@^2.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
   integrity sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==
 
+slash@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
+  integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
+
 slice-ansi@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.1.0.tgz#cacd7693461a637a5788d92a7dd4fba068e81636"