diff --git a/js/CHANGELOG.md b/js/CHANGELOG.md
index 81e1c05..19f63ac 100644
--- a/js/CHANGELOG.md
+++ b/js/CHANGELOG.md
@@ -1,8 +1,11 @@
-3.0.1-alpha.1
+3.0.1-alpha.2
 
 * FileApiSource renamed to FileSource
-* package.json defaults to ES6 module, fixing issues related to named imports [#317, #248]
+* package.json defines **ES6 module only** (no CommonJS), fixing issues related to named imports [#317, #248]
 * support MapLibre GL v4.x
+* `Source` API changed to take ETag, making conditional `If-Match` requests possible [#90]
+* FetchSource includes cachebuster logic for browser cache only on ETag change
+* Ignore weak ETags, greatly simplify ETag logic
 * Internal code has consistent naming and style conventions, change to biome linter [#287]
 
 2.11.0
diff --git a/js/examples/leaflet.html b/js/examples/leaflet.html
index cb3719d..b00f3f4 100644
--- a/js/examples/leaflet.html
+++ b/js/examples/leaflet.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" />
         <script src="https://unpkg.com/leaflet@1.9.0/dist/leaflet.js"></script>
-        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.1/dist/index.js"></script>
+        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.2/dist/index.js"></script>
         <style>
             body, #map {
                 height:100vh;
diff --git a/js/examples/maplibre.html b/js/examples/maplibre.html
index b59b925..c65975a 100644
--- a/js/examples/maplibre.html
+++ b/js/examples/maplibre.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.js" crossorigin="anonymous"></script>
-        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.1/dist/index.js"></script>
+        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.2/dist/index.js"></script>
         <style>
             body {
                 margin: 0;
diff --git a/js/examples/maplibre_raster_dem.html b/js/examples/maplibre_raster_dem.html
index a9ac10c..01f732f 100644
--- a/js/examples/maplibre_raster_dem.html
+++ b/js/examples/maplibre_raster_dem.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.js" crossorigin="anonymous"></script>
-        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.1/dist/index.js"></script>
+        <script src="https://unpkg.com/pmtiles@3.0.0-alpha.2/dist/index.js"></script>
         <style>
             body {
                 margin: 0;
diff --git a/js/package-lock.json b/js/package-lock.json
index 142f659..aff9c56 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pmtiles",
-  "version": "3.0.0-alpha.1",
+  "version": "3.0.0-alpha.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "pmtiles",
-      "version": "3.0.0-alpha.1",
+      "version": "3.0.0-alpha.2",
       "license": "BSD-3-Clause",
       "dependencies": {
         "@types/leaflet": "^1.9.8",
diff --git a/js/package.json b/js/package.json
index f8bb785..bc1b9ce 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pmtiles",
-  "version": "3.0.0-alpha.1",
+  "version": "3.0.0-alpha.2",
   "description": "PMTiles archive decoder for browsers",
   "type": "module",
   "exports": "./dist/index.mjs",