diff --git a/Dockerfile b/Dockerfile
index 658ff60..962cc70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ RUN \
   rm sbt-$(cat /sbt-version).rpm && \
   mkdir /project
 WORKDIR /project
+ENV SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=2G -Xmx2G -Xms1G"
 
 # This stage can be used for testing whether the build is compatible with fresh versions of JDK and NodeJS/NPM
 FROM fedora:latest AS sbt-version-bleeding-edge
@@ -38,6 +39,6 @@ RUN \
   rm sbt-$(cat /sbt-version).rpm && \
   mkdir /project
 WORKDIR /project
-
+ENV SBT_OPTS="-Xmx2G -Xms1G"
 
 FROM conservative AS default
diff --git a/build.sbt b/build.sbt
index 97b95c5..0a53cd6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ val appVersion= "1.0"
 
 lazy val scalaV = "2.13.12"
 
-val bootstrap = "org.webjars" % "bootstrap" % "5.3.2"
+val bootstrapVersion = "5.3.2"
 
 import com.typesafe.sbt.web.PathMapping
 import com.typesafe.sbt.web.pipeline.Pipeline
@@ -100,18 +100,14 @@ lazy val server = (project in file("server")).settings(
   simpleUrlUpdate / includeFilter := "*.css" || "*.js" || "*.html",
   // triggers scalaJSPipeline when using compile or continuous compilation
   Compile / compile := ((Compile / compile) dependsOn scalaJSPipeline).value,
-  Concat.groups := Seq(
-    "main.min.js" -> group(Seq("zbdb-stats-client-jsdeps.min.js", "zbdb-stats-client-opt/main.js"))
-  ),
+  Concat.groups := Seq("main.min.js" -> group(Seq("zbdb-stats-client-opt-bundle.js"))),
   libraryDependencies ++= Seq(
     "com.vmunier" %% "scalajs-scripts" % "1.2.0",
     guice,
-    bootstrap,
+    "org.webjars" % "bootstrap" % bootstrapVersion,
     specs2 % Test
   ),
-).enablePlugins(PlayScala, JSDependenciesPlugin, SbtWeb)//.dependsOn(sharedJvm)
-
-def toPathMapping(f: File): PathMapping = f -> f.getName
+).enablePlugins(PlayScala, SbtWeb, WebScalaJSBundlerPlugin)//.dependsOn(sharedJvm)
 
 // Generates client JS; other assets are generated by the server subproject
 lazy val client = (project in file("client")).settings(
@@ -122,24 +118,23 @@ lazy val client = (project in file("client")).settings(
   scalaVersion := scalaV,
   scalaJSUseMainModuleInitializer := true,
   Test / scalaJSUseMainModuleInitializer := false,
+  webpack / version := "5.88.2", // https://github.com/ScalablyTyped/Converter/issues/546
+  webpackConfigFile := Some(baseDirectory.value / "custom.webpack.config.js"),
+
   libraryDependencies ++= Seq(
     "org.scala-js" %%% "scalajs-dom" % "2.7.0",
     "com.lihaoyi" %%% "scalatags" % "0.12.0",
     "com.nrinaudo" %%% "kantan.csv" % "0.7.0",
   ),
-
-  // Some magic required for compatibility with running the website directly from SBT (using Play)
-  Compile / fastLinkJS / jsMappings += toPathMapping((Compile / packageJSDependencies).value),
-  Compile / fullLinkJS / jsMappings += toPathMapping((Compile / packageMinifiedJSDependencies).value),
-
-  jsDependencies ++= Seq(
-    bootstrap / "bootstrap.bundle.min.js",
-    "org.webjars" % "momentjs" % "2.10.6" / "min/moment.min.js",
-    "org.webjars" % "moment-timezone" % "0.4.0-1" / "moment-timezone-with-data.js" dependsOn "min/moment.min.js",
-    "org.webjars.npm" % "chart.js" % "4.4.0" / "chart.umd.js",
-    "org.webjars.npm" % "chartjs-adapter-moment" % "1.0.0" / "chartjs-adapter-moment.min.js" dependsOn "chart.umd.js",
+  Compile / npmDependencies ++= Seq(
+    "bootstrap" -> bootstrapVersion,
+    "moment" -> "2.10.6",
+    "moment-timezone" -> "0.4.0",
+    "chart.js" -> "4.4.0",
+    "chartjs-adapter-moment" -> "1.0.1",
   ),
-).enablePlugins(ScalaJSPlugin, JSDependenciesPlugin, ScalaJSWeb)//.dependsOn(sharedJs)
+  stIgnore ++= List("moment", "moment-timezone", "bootstrap", "chart.js", "chartjs-adapter-moment"),
+).enablePlugins(ScalaJSPlugin, ScalaJSBundlerPlugin, ScalablyTypedConverterPlugin)//.dependsOn(sharedJs)
 
 /*lazy val shared = (crossProject.crossType(CrossType.Pure) in file("shared")).
   settings(scalaVersion := scalaV).
diff --git a/client/custom.webpack.config.js b/client/custom.webpack.config.js
new file mode 100644
index 0000000..7d36313
--- /dev/null
+++ b/client/custom.webpack.config.js
@@ -0,0 +1,29 @@
+var webpack = require('webpack');
+var path = require('path');
+
+module.exports = require('./scalajs.webpack.config');
+
+module.exports.resolve ||= {};
+module.exports.resolve.alias ||= {};
+module.exports.resolve.alias['chart.js'] = path.resolve(
+    __dirname,
+    'node_modules',
+    'chart.js',
+    'auto',
+    'auto.js'
+);
+module.exports.resolve.alias['moment.js'] = path.resolve(
+    __dirname,
+    'node_modules',
+    'moment',
+    'min',
+    'moment.min.js'
+);
+
+module.exports.plugins ||= [];
+module.exports.plugins.push(
+    new webpack.IgnorePlugin({
+        resourceRegExp: /^\.\/locale$/,
+        contextRegExp: /moment$/,
+    })
+)
diff --git a/client/src/main/scala/com/example/Moment.scala b/client/src/main/scala/com/example/Moment.scala
index 2c76c40..bbdf0e2 100644
--- a/client/src/main/scala/com/example/Moment.scala
+++ b/client/src/main/scala/com/example/Moment.scala
@@ -5,43 +5,24 @@ import com.example.moment.Moment
 import scala.scalajs.js
 import scala.scalajs.js.annotation._
 import scala.language.implicitConversions
+import scala.scalajs.js.annotation._
 
-@js.native trait MomentSingleton extends js.Any {
-  //def moment(): Moment = js.native
-  def utc(): Moment = js.native
-  def utc(x: Number): Moment = js.native
-  //def utc(xNumber[]): Moment = js.native
-  def utc(time: String): Moment = js.native
-  /*def moment.utc(String, String): Moment = js.native
-  def moment.utc(String, String[]): Moment = js.native
-  def moment.utc(String, String, String): Moment = js.native
-  def moment.utc(Moment): Moment = js.native
-  def moment.utc(Date): Moment = js.native*/
+@js.native
+@JSImport("moment-timezone", JSImport.Namespace)
+object MomentTimezone extends js.Any{
   def tz(time: String, tz: String): Moment = js.native
 }
 
 @js.native
-@JSGlobalScope
+@JSImport("moment", JSImport.Namespace)
 object MomentJsGlobal extends js.Any {
-  def moment(moment: Moment): Moment = js.native
-  def moment(dateString: String): Moment = js.native
-  def moment(dateString: String, format: String): Moment = js.native
-  def moment(dateString: String, format: String, locale: String): Moment = js.native
-  def moment(dateString: String, format: String, strict: Boolean): Moment = js.native
-  def moment(dateString: String, format: String, locale: String, strict: Boolean): Moment = js.native
-
-  def moment: MomentSingleton = js.native
-
+  def apply(moment: Moment): Moment = js.native
+  def apply(dateString: String): Moment = js.native
 }
 
 package object moment {
-  @inline def moment(moment: Moment): Moment = MomentJsGlobal.moment(moment: Moment)
-  @inline def moment(dateString: String): Moment = MomentJsGlobal.moment(dateString: String)
-  @inline def moment(dateString: String, format: String): Moment = MomentJsGlobal.moment(dateString: String, format: String)
-  @inline def moment(dateString: String, format: String, locale: String): Moment = MomentJsGlobal.moment(dateString: String, format: String, locale: String)
-  @inline def moment(dateString: String, format: String, strict: Boolean): Moment = MomentJsGlobal.moment(dateString: String, format: String, strict: Boolean)
-  @inline def moment(dateString: String, format: String, locale: String, strict: Boolean): Moment = MomentJsGlobal.moment(dateString: String, format: String, locale: String, strict: Boolean)
-  @inline def moment: MomentSingleton = MomentJsGlobal.moment
+  @inline def moment(moment: Moment): Moment = MomentJsGlobal(moment: Moment)
+  @inline def moment(dateString: String): Moment = MomentJsGlobal(dateString: String)
 }
 
 package moment{
diff --git a/client/src/main/scala/com/v6ak/zbdb/App.scala b/client/src/main/scala/com/v6ak/zbdb/App.scala
index f69c4dd..c7b387d 100644
--- a/client/src/main/scala/com/v6ak/zbdb/App.scala
+++ b/client/src/main/scala/com/v6ak/zbdb/App.scala
@@ -1,26 +1,35 @@
 package com.v6ak.zbdb
 
 import com.example.moment._
+import com.example.MomentTimezone.tz
 import org.scalajs.dom
+import org.scalajs.dom._
 import scala.scalajs.js.Thenable.Implicits._
 
 import scala.scalajs.js.JSON
-import scala.scalajs.js.annotation.JSExport
+import scala.scalajs.js.annotation._
 import scala.util.{Failure, Success}
 import scala.scalajs.concurrent.JSExecutionContext.Implicits.queue
 import scala.scalajs.js
 
 object App {
 
+  private def init(): Unit = {
+    // Modules with side effects
+    Require.require("bootstrap/js/dist/dropdown")
+    Require.require("chartjs-adapter-moment")
+  }
+
   @JSExport
   def main(args: Array[String]): Unit = {
+    init()
     dom.window.onload = { (_: Any) =>
       val body = dom.window.document.body
       val fileName = body.getAttribute("data-file")
       val maxHourDelta = body.getAttribute("data-max-hour-delta").toInt
       val formatVersionNumber = body.getAttribute("data-format-version").toInt
-      val startTime = moment.tz(body.getAttribute("data-start-time"), body.getAttribute("data-timezone"))
-      val endTime = moment.tz(body.getAttribute("data-end-time"), body.getAttribute("data-timezone"))
+      val startTime = tz(body.getAttribute("data-start-time"), body.getAttribute("data-timezone"))
+      val endTime = tz(body.getAttribute("data-end-time"), body.getAttribute("data-timezone"))
       if(!startTime.isValid()) sys.error("startTime is invalid")
       if(!endTime.isValid()) sys.error("endTime is invalid")
       dom.console.log("startTime", startTime.toString)
diff --git a/client/src/main/scala/com/v6ak/zbdb/Bootstrap.scala b/client/src/main/scala/com/v6ak/zbdb/Bootstrap.scala
index 036adc5..ee8b1aa 100644
--- a/client/src/main/scala/com/v6ak/zbdb/Bootstrap.scala
+++ b/client/src/main/scala/com/v6ak/zbdb/Bootstrap.scala
@@ -6,7 +6,7 @@ import scala.scalajs.js.annotation._
 import scalatags.JsDom.all._
 
 @js.native
-@JSGlobal("bootstrap.Modal")
+@JSImport("bootstrap/js/dist/modal", JSImport.Namespace)
 class BsModal (el: Element) extends js.Any {
   def show(): Unit = js.native
 }
diff --git a/client/src/main/scala/com/v6ak/zbdb/ChartJsUtils.scala b/client/src/main/scala/com/v6ak/zbdb/ChartJsUtils.scala
index c1c995a..89fd006 100644
--- a/client/src/main/scala/com/v6ak/zbdb/ChartJsUtils.scala
+++ b/client/src/main/scala/com/v6ak/zbdb/ChartJsUtils.scala
@@ -9,14 +9,21 @@ import scalatags.JsDom.all._
 import Bootstrap.DialogUtils
 import com.example.moment.{Moment, moment}
 
-@JSGlobal @js.native class Chart(el: Element, data: js.Any) extends js.Object {
+@JSImport("chart.js", "Chart")
+@js.native
+class Chart(el: Element, data: js.Any) extends js.Object {
   def resize(): Unit = js.native
   def update(): Unit = js.native
   def destroy(): Unit = js.native
 }
 
+@JSImport("chart.js", "Chart")
+@js.native
+object Chart extends js.Any {
+  def register(module: js.Any*): Unit = js.native
+}
+
 object ChartJsUtils {
-  // Chart.register(…)
 
   def zeroMoment = moment("2000-01-01") // We don't want to mutate it
 
diff --git a/client/src/main/scala/com/v6ak/zbdb/Require.scala b/client/src/main/scala/com/v6ak/zbdb/Require.scala
new file mode 100644
index 0000000..afe218e
--- /dev/null
+++ b/client/src/main/scala/com/v6ak/zbdb/Require.scala
@@ -0,0 +1,11 @@
+package com.v6ak.zbdb
+
+import scala.scalajs.js.annotation._
+import scala.scalajs.js
+
+@JSGlobalScope
+@js.native
+object Require extends js.Object {
+  def require(name: String): js.Any = js.native
+
+}
diff --git a/pack.sh b/pack.sh
index f0fe193..1d26c33 100755
--- a/pack.sh
+++ b/pack.sh
@@ -13,14 +13,13 @@ version=$(
 scalaVersion=$(
     sbt server/scalaVersion | tail -n1 | sed 's/^.* //' | grep -oE '[0-9.A-Z-]+' | head -n2 | tail -n1 | sed 's/^\([^.]*.[^.]*\).*/\1/'
 )
-scalaJsVersion=1 # TODO: extract
 
 if [ -e target/assets ]; then
     rm -r target/assets
 fi
 mkdir -p target
 mkdir target/assets
-unzip -d target/assets "./server/target/scala-$scalaVersion/zbdb-stats-server_sjs${scalaJsVersion}_$scalaVersion-$version-web-assets.jar"
+unzip -d target/assets "./server/target/scala-$scalaVersion/zbdb-stats-server_$scalaVersion-$version-web-assets.jar"
 
 
 if [ -e pack.zip ]; then
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 6a6aaf6..549ee42 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -31,6 +31,8 @@ addSbtPlugin("com.github.karelcemus" % "sbt-filter" % "1.1.0")
 
 addSbtPlugin("org.github.ngbinh" % "sbt-simple-url-update" % "1.0.4")
 
-addSbtPlugin("org.scala-js" % "sbt-jsdependencies" % "1.0.2")
+addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta43")
+
+addSbtPlugin("ch.epfl.scala" % "sbt-web-scalajs-bundler" % "0.21.1")
 
 dependencyOverrides += "org.scala-lang.modules" %% "scala-xml" % "2.1.0"