diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 29a2ed649..82b0fb303 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -22,10 +22,19 @@ jobs:
           key: ubuntu-20.04-gradle-${{ hashFiles('*.gradle.kts') }}
           restore-keys: |
             ubuntu-20.04-gradle-
+      - name: Cache konan
+        uses: actions/cache@v2
+        with:
+          path: ~/.konan
+          key: ${{ runner.os }}-gradle-${{ hashFiles('*.gradle.kts') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
       - name: Build
-        run: ./gradlew build --no-daemon --stacktrace
+        run: |
+          ./gradlew dokkaHtmlMultiModule --no-daemon --no-parallel --stacktrace
+          mv build/dokka/htmlMultiModule/-modules.html build/dokka/htmlMultiModule/index.html
       - name: Deploy to GitHub Pages
         uses: JamesIves/github-pages-deploy-action@4.1.0
         with:
-            branch: gh-pages
-            folder: build/dokka/htmlMultiModule
+          branch: gh-pages
+          folder: build/dokka/htmlMultiModule
diff --git a/README.md b/README.md
index e9cf64ea0..c95b0a13f 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,8 @@
 [![JetBrains Research](https://jb.gg/badges/research.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)
 [![DOI](https://zenodo.org/badge/129486382.svg)](https://zenodo.org/badge/latestdoi/129486382)
-
 ![Gradle build](https://github.com/mipt-npm/kmath/workflows/Gradle%20build/badge.svg)
 
-Bintray:        [ ![Download](https://api.bintray.com/packages/mipt-npm/kscience/kmath-core/images/download.svg) ](https://bintray.com/mipt-npm/kscience/kmath-core/_latestVersion)
-
-Bintray-dev:    [ ![Download](https://api.bintray.com/packages/mipt-npm/dev/kmath-core/images/download.svg) ](https://bintray.com/mipt-npm/dev/kmath-core/_latestVersion)
+[![Kotlin JS IR supported](https://img.shields.io/badge/Kotlin%2FJS-IR%20supported-yellow)](https://kotl.in/jsirsupported)
 
 # KMath
 
diff --git a/gradle.properties b/gradle.properties
index e28e22e8e..4b3e4aa69 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,9 +2,8 @@ kotlin.code.style=official
 kotlin.mpp.stability.nowarn=true
 kotlin.parallel.tasks.in.project=true
 org.gradle.configureondemand=true
-org.gradle.jvmargs=-XX:MaxMetaspaceSize=1G
+org.gradle.jvmargs=-XX:MaxMetaspaceSize=2G
 org.gradle.parallel=true
 
 kotlin.mpp.enableGranularSourceSetsMetadata=true
 kotlin.native.enableDependencyPropagation=false
-