diff --git a/builder/dockerfile.alpine_318.build b/builder/dockerfile.alpine_318.build
index f8620ba..f4d3bdf 100644
--- a/builder/dockerfile.alpine_318.build
+++ b/builder/dockerfile.alpine_318.build
@@ -73,8 +73,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.alpine_319.build b/builder/dockerfile.alpine_319.build
index d003855..67a8951 100644
--- a/builder/dockerfile.alpine_319.build
+++ b/builder/dockerfile.alpine_319.build
@@ -73,8 +73,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.alpine_320.build b/builder/dockerfile.alpine_320.build
index b282e6d..cf4e697 100644
--- a/builder/dockerfile.alpine_320.build
+++ b/builder/dockerfile.alpine_320.build
@@ -73,8 +73,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.alpine_321.build b/builder/dockerfile.alpine_321.build
index 47a2cc7..80972ad 100644
--- a/builder/dockerfile.alpine_321.build
+++ b/builder/dockerfile.alpine_321.build
@@ -73,8 +73,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.debian_bookworm.build b/builder/dockerfile.debian_bookworm.build
index 98034c6..bda5926 100644
--- a/builder/dockerfile.debian_bookworm.build
+++ b/builder/dockerfile.debian_bookworm.build
@@ -28,8 +28,7 @@ RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libav
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/dockerfile.debian_bullseye.build b/builder/dockerfile.debian_bullseye.build
index d9ce288..bd950e7 100644
--- a/builder/dockerfile.debian_bullseye.build
+++ b/builder/dockerfile.debian_bullseye.build
@@ -31,8 +31,7 @@ RUN CMAKE_URL="https://cmake.org/files/v3.22/cmake-3.22.0" && \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/dockerfile.debian_buster.build b/builder/dockerfile.debian_buster.build
index a1e2afd..9b0bed5 100644
--- a/builder/dockerfile.debian_buster.build
+++ b/builder/dockerfile.debian_buster.build
@@ -17,8 +17,7 @@ RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libav
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/dockerfile.fedora_forty.build b/builder/dockerfile.fedora_forty.build
index 983a88f..7859248 100644
--- a/builder/dockerfile.fedora_forty.build
+++ b/builder/dockerfile.fedora_forty.build
@@ -78,8 +78,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.fedora_fortyone.build b/builder/dockerfile.fedora_fortyone.build
index 336b064..ef00860 100644
--- a/builder/dockerfile.fedora_fortyone.build
+++ b/builder/dockerfile.fedora_fortyone.build
@@ -79,8 +79,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.fedora_thirtynine.build b/builder/dockerfile.fedora_thirtynine.build
index d1985de..aeaaf88 100644
--- a/builder/dockerfile.fedora_thirtynine.build
+++ b/builder/dockerfile.fedora_thirtynine.build
@@ -78,8 +78,7 @@ RUN \
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd
 
diff --git a/builder/dockerfile.kali_kali-rolling.build b/builder/dockerfile.kali_kali-rolling.build
index 717e8f9..cf97c83 100644
--- a/builder/dockerfile.kali_kali-rolling.build
+++ b/builder/dockerfile.kali_kali-rolling.build
@@ -19,8 +19,7 @@ RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libav
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/dockerfile.opensuse_15.build b/builder/dockerfile.opensuse_15.build
index 63d9358..57f81e1 100644
--- a/builder/dockerfile.opensuse_15.build
+++ b/builder/dockerfile.opensuse_15.build
@@ -9,7 +9,6 @@ RUN zypper install -ny \
   bdftopcf \
   bigreqsproto-devel \
   ninja \
-  cmake \
   nasm \
   curl \
   ffmpeg-4-libavcodec-devel \
@@ -49,10 +48,6 @@ RUN zypper install -ny \
   xorg-x11-util-devel \
   zlib-devel
 
-RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 140 \
-  --slave /usr/bin/g++ g++ /usr/bin/g++-14 \
-  --slave /usr/bin/gcov gcov /usr/bin/gcov-14
-
 RUN useradd -u 1000 docker && \
   groupadd -g 1000 docker && \
   usermod -a -G docker docker
@@ -71,8 +66,11 @@ RUN ARCH=$(arch) && \
   rm cmake.sh
 
 ENV SCRIPTS_DIR=/tmp/scripts
+ENV CC=/usr/bin/gcc-14
+ENV CXX=/usr/bin/g++-14
+
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp && $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 COPY --chown=docker:docker . /src/
 
diff --git a/builder/dockerfile.oracle_8.build b/builder/dockerfile.oracle_8.build
index 0a9ecfe..9fc54da 100644
--- a/builder/dockerfile.oracle_8.build
+++ b/builder/dockerfile.oracle_8.build
@@ -41,7 +41,6 @@ RUN dnf install -y --nogpgcheck https://mirrors.rpmfusion.org/free/el/rpmfusion-
 
 # Install from new repos
 RUN dnf install -y \
-  tbb-devel \
   ffmpeg-devel \
   giflib-devel \
   lbzip2 \
@@ -58,8 +57,8 @@ RUN dnf install -y \
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
 RUN echo "source /opt/rh/gcc-toolset-14/enable" > /etc/profile.d/gcc-toolset.sh && \
-  $SCRIPTS_DIR/build-webp && $SCRIPTS_DIR/build-libjpeg-turbo && \
-  useradd -m docker && echo "docker:docker" | chpasswd
+    $SCRIPTS_DIR/build-deps.sh  && \
+    useradd -m docker && echo "docker:docker" | chpasswd
 
 COPY --chown=docker:docker . /src/
 
diff --git a/builder/dockerfile.oracle_9.build b/builder/dockerfile.oracle_9.build
index 674e2f0..8053bd5 100644
--- a/builder/dockerfile.oracle_9.build
+++ b/builder/dockerfile.oracle_9.build
@@ -57,7 +57,7 @@ RUN dnf install -y \
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
 RUN echo "source /opt/rh/gcc-toolset-14/enable" > /etc/profile.d/gcc-toolset.sh && \
-  $SCRIPTS_DIR/build-webp && $SCRIPTS_DIR/build-libjpeg-turbo && \
+  $SCRIPTS_DIR/build-deps.sh && \
   useradd -m docker && echo "docker:docker" | chpasswd
 
 COPY --chown=docker:docker . /src/
diff --git a/builder/dockerfile.ubuntu_focal.build b/builder/dockerfile.ubuntu_focal.build
index 57c7373..0ecb1ee 100644
--- a/builder/dockerfile.ubuntu_focal.build
+++ b/builder/dockerfile.ubuntu_focal.build
@@ -13,7 +13,7 @@ RUN apt-get update && \
 RUN apt-get update && apt-get install -y --no-install-recommends tzdata
 RUN apt-get update && apt-get -y build-dep xorg-server libxfont-dev
 RUN apt-get update && apt-get -y install ninja-build nasm git vim wget curl
-RUN apt-get update && apt-get -y install libtbb-dev libpng-dev libtiff-dev libgif-dev libavcodec-dev libssl-dev libxrandr-dev \
+RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libavcodec-dev libssl-dev libxrandr-dev \
     libxcursor-dev libavformat-dev libswscale-dev
 
 ENV SCRIPTS_DIR=/tmp/scripts
@@ -34,8 +34,7 @@ RUN ARCH=$(arch) && \
   (echo y; echo n) | bash cmake.sh --prefix=/usr/local --skip-license && \
   rm cmake.sh
 
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 COPY --chown=docker:docker . /src/
 
diff --git a/builder/dockerfile.ubuntu_focal.deb.build b/builder/dockerfile.ubuntu_focal.deb.build
index ffe6402..8a4db12 100644
--- a/builder/dockerfile.ubuntu_focal.deb.build
+++ b/builder/dockerfile.ubuntu_focal.deb.build
@@ -3,7 +3,7 @@ FROM ubuntu:focal
 ENV DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update && \
-      apt-get -y install vim build-essential devscripts equivs libtbb-dev
+      apt-get -y install vim build-essential devscripts equivs
 
 # Install build-deps for the package.
 COPY ./debian/control /tmp
diff --git a/builder/dockerfile.ubuntu_jammy.build b/builder/dockerfile.ubuntu_jammy.build
index 11eafc7..3cbfe75 100644
--- a/builder/dockerfile.ubuntu_jammy.build
+++ b/builder/dockerfile.ubuntu_jammy.build
@@ -18,8 +18,7 @@ RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libav
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/dockerfile.ubuntu_jammy.dev b/builder/dockerfile.ubuntu_jammy.dev
index 08ae041..552b588 100644
--- a/builder/dockerfile.ubuntu_jammy.dev
+++ b/builder/dockerfile.ubuntu_jammy.dev
@@ -53,18 +53,16 @@ RUN sed -i 's$# deb-src$deb-src$' /etc/apt/sources.list && \
     libxkbfile-dev \
     x11proto-dev \
     libgbm-dev \
+    htop \
     inotify-tools && \
     echo "kasm-user  ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 
 RUN curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
 RUN apt install -y nodejs nginx
 
-COPY builder/scripts/build-webp /tmp
-COPY builder/scripts/build-libjpeg-turbo /tmp
-COPY builder/common.sh /tmp
-
-RUN chmod +x /tmp/build-webp && /tmp/build-webp
-RUN chmod +x /tmp/build-libjpeg-turbo && /tmp/build-libjpeg-turbo
+ENV SCRIPTS_DIR=/tmp/scripts
+COPY builder/scripts $SCRIPTS_DIR
+RUN $SCRIPTS_DIR/build-deps.sh
 
 USER 1000
 
diff --git a/builder/dockerfile.ubuntu_noble.build b/builder/dockerfile.ubuntu_noble.build
index dfb796c..4301f3a 100644
--- a/builder/dockerfile.ubuntu_noble.build
+++ b/builder/dockerfile.ubuntu_noble.build
@@ -18,8 +18,7 @@ RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libav
 
 ENV SCRIPTS_DIR=/tmp/scripts
 COPY builder/scripts $SCRIPTS_DIR
-RUN $SCRIPTS_DIR/build-webp
-RUN $SCRIPTS_DIR/build-libjpeg-turbo
+RUN $SCRIPTS_DIR/build-deps.sh
 
 RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
 
diff --git a/builder/scripts/build-deps.sh b/builder/scripts/build-deps.sh
new file mode 100755
index 0000000..9c1f205
--- /dev/null
+++ b/builder/scripts/build-deps.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+source_dir=$(dirname "$0")
+"${source_dir}"/build-libjpeg-turbo
+"${source_dir}"/build-webp
+"${source_dir}"/build-tbb
\ No newline at end of file
diff --git a/builder/scripts/build-tbb b/builder/scripts/build-tbb
new file mode 100755
index 0000000..03593f2
--- /dev/null
+++ b/builder/scripts/build-tbb
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+build_and_install() {
+    if [ $older_release -eq 1 ]; then
+        make extra_inc=big_iron.inc work_dir="$PWD"/ tbb_root="$PWD"
+
+        if [ -d /usr/lib/x86_64-linux-gnu ]; then
+            LIBS=lib/x86_64-linux-gnu
+        elif [ -d /usr/lib/aarch64-linux-gnu ]; then
+            LIBS=lib/aarch64-linux-gnu
+        elif [ -d /usr/lib/arm-linux-gnueabihf ]; then
+            LIBS=lib/arm-linux-gnu
+        fi
+
+        PC_FILE=/usr/${LIBS}/pkgconfig/tbb.pc
+        echo "prefix=/usr" > "${PC_FILE}"
+        echo "exec_prefix=\${prefix}" >> "${PC_FILE}"
+        echo "libdir=\${exec_prefix}/lib/${LIBS}" >> "${PC_FILE}"
+        echo "includedir=\${prefix}/include" >> "${PC_FILE}"
+        echo "Name: Threading Building Blocks" >> "${PC_FILE}"
+        echo "Description: Intel's parallelism library for C++" >> "${PC_FILE}"
+        echo "URL: http://www.threadingbuildingblocks.org/" >> "${PC_FILE}"
+        echo "Version: v2020.3.3" >> "${PC_FILE}"
+        echo "Libs: -ltbb -latomic" >> "${PC_FILE}"
+        echo "Cflags: -I\${includedir}" >> "${PC_FILE}"
+
+        cp _release/*.a /usr/"${LIBS}"/
+        cp -r include/* /usr/include/
+    else
+        cmake -B build -DCMAKE_INSTALL_PREFIX=/usr/local \
+            -DTBB_TEST=OFF -DBUILD_SHARED_LIBS=OFF -GNinja .
+        ninja -C build install
+    fi
+}
+
+prepare_source() {
+    DIR=tbb
+    cd /tmp
+    [ -d ./${DIR} ] && rm -rf ./${DIR}
+    mkdir ${DIR}
+
+    if [ $older_release -eq 1 ]; then
+        TBB_RELEASE="v2020.3.3"
+    else
+        TBB_RELEASE=$(curl -sL "https://api.github.com/repos/uxlfoundation/oneTBB/releases/latest" \
+        | grep '"tag_name":' | sed -E 's/.*"tag_name": "([^"]+)".*/\1/')
+    fi
+
+    curl -Ls "https://github.com/uxlfoundation/oneTBB/archive/${TBB_RELEASE}.tar.gz" | \
+
+    tar xzvf - -C ${DIR}/ --strip-components=1
+    cd ${DIR}
+}
+
+older_release=0
+if grep -q 'Ubuntu 20.04\|Debian GNU/Linux 11' /etc/os-release 2>/dev/null; then
+    older_release=1
+fi
+
+prepare_source
+build_and_install
diff --git a/builder/test_build_containers b/builder/test_build_containers
new file mode 100755
index 0000000..426770c
--- /dev/null
+++ b/builder/test_build_containers
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+#set -e
+
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+current_dir="$(pwd)"
+
+images_list=()
+
+for file in "$script_dir"/dockerfile.*.build; do
+    if [[ "$file" == *deb* ]] || [[ "$file" == *apk* ]] || [[ "$file" == *rpm* ]] || [[ "$file" == *www* ]]; then
+        continue
+    fi
+
+    [ -e "$file" ] || continue
+
+    filename="$(basename "$file")"
+    image_name=$(echo "$filename" | sed -E 's/^(dockerfile\.|Dockerfile\.)(.*)\.build$/\2/')
+
+    if [ -e builder/build/kasmvnc."$image_name".tar.gz ]; then
+        continue
+    fi
+
+    echo "Building docker image: $image_name using file: $file"
+
+    docker build -f "$file" -t "$image_name" "$current_dir"
+    exit_code=$?
+    if [ $exit_code -ne 0 ]; then
+        echo "Build failed for $filename"
+        break
+    fi
+
+    rm -rf .cmake CMakeFiles build.ninja cmake_install.cmake cmake_uninstall.cmake CMakeCache.txt config.h
+
+    echo "Running container from image '$image_name'"
+    # Run the container and capture the exit code
+    docker run -it -v "$current_dir":/src -v "$current_dir/builder/build":/build "$image_name"
+    exit_code=$?
+
+    echo "Container for image '$image_name' "
+    if [ $exit_code -ne 0 ]; then
+        echo "exited with error (exit code $exit_code)."
+        break
+    else
+        echo "finished successfully."
+        images_list+=("$image_name")
+    fi
+done
+
+echo "Removing all built docker images..."
+for img in "${images_list[@]}"; do
+    echo "Removing docker image: $img"
+    docker rmi -f "$img"
+done
diff --git a/common/rfb/CMakeLists.txt b/common/rfb/CMakeLists.txt
index a55ea60..434470b 100644
--- a/common/rfb/CMakeLists.txt
+++ b/common/rfb/CMakeLists.txt
@@ -85,7 +85,7 @@ set(RFB_LIBRARIES ${JPEG_LIBRARIES} ${PNG_LIBRARIES} os rdr Xregion)
 cmake_host_system_information(RESULT DISTRO QUERY DISTRIB_INFO)
 if ((CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10) OR
 (DISTRO_PLATFORM_ID MATCHES "platform:el8"))
-  set(RFB_LIBRARIES ${RFB_LIBRARIES} tbb)
+    set(RFB_LIBRARIES ${RFB_LIBRARIES} tbb)
 endif ()
 
 if (HAVE_PAM)
@@ -132,6 +132,13 @@ endif ()
 find_package(PkgConfig REQUIRED)
 
 pkg_check_modules(FFMPEG REQUIRED libavcodec libavformat libavutil libswscale)
+find_package(TBB)
+if (TBB_FOUND)
+    set(RFB_LIBRARIES ${RFB_LIBRARIES} tbb)
+else ()
+    pkg_check_modules(TBB tbb)
+    set(RFB_LIBRARIES ${RFB_LIBRARIES} ${TBB_LIBRARIES})
+endif ()
 
 add_library(rfb STATIC ${RFB_SOURCES})
 
@@ -142,9 +149,10 @@ target_include_directories(rfb PRIVATE
         ${CMAKE_SOURCE_DIR}/unix/kasmvncpasswd
         ${CMAKE_SOURCE_DIR}/third_party/tinyxml2
         ${FFMPEG_INCLUDE_DIRS}
+        ${TBB_INCLUDE_DIRS}
 )
 
-target_link_libraries(rfb PRIVATE ${RFB_LIBRARIES} tinyxml2_objs)
+target_link_libraries(rfb PUBLIC ${RFB_LIBRARIES} tinyxml2_objs)
 
 if (UNIX)
     libtool_create_control_file(rfb)
diff --git a/common/rfb/EncodeManager.cxx b/common/rfb/EncodeManager.cxx
index 5dbf1dc..7182afc 100644
--- a/common/rfb/EncodeManager.cxx
+++ b/common/rfb/EncodeManager.cxx
@@ -44,6 +44,7 @@
 #include <rfb/TightWEBPEncoder.h>
 #include <rfb/TightQOIEncoder.h>
 #include <execution>
+#include <tbb/parallel_for.h>
 
 using namespace rfb;
 
@@ -210,6 +211,9 @@ EncodeManager::EncodeManager(SConnection* conn_, EncCache *encCache_) : conn(con
     dynamicQualityMin = Server::dynamicQualityMin;
     dynamicQualityOff = Server::dynamicQualityMax - Server::dynamicQualityMin;
   }
+
+    const auto num_cores = tbb::this_task_arena::max_concurrency() / 2;
+    arena.initialize(num_cores);
 }
 
 EncodeManager::~EncodeManager()
@@ -1237,12 +1241,13 @@ void EncodeManager::writeRects(const Region& changed, const PixelBuffer* pb,
   }
   scalingTime = msSince(&scalestart);
 
-    std::for_each(std::execution::par_unseq, std::begin(indices), std::end(indices), [&](size_t i)
-    {
-        encoderTypes[i] = getEncoderType(subrects[i], pb, &palettes[i], compresseds[i],
+    arena.execute([&] {
+        tbb::parallel_for(static_cast<size_t>(0), subrects_size, [&](size_t i) {
+            encoderTypes[i] = getEncoderType(subrects[i], pb, &palettes[i], compresseds[i],
                         &isWebp[i], &fromCache[i],
                         scaledpb, scaledrects[i], ms[i]);
-        checkWebpFallback(start);
+            checkWebpFallback(start);
+        });
     });
 
   for (uint32_t i = 0; i < subrects_size; ++i) {
diff --git a/common/rfb/EncodeManager.h b/common/rfb/EncodeManager.h
index 7844faa..7d6774f 100644
--- a/common/rfb/EncodeManager.h
+++ b/common/rfb/EncodeManager.h
@@ -32,6 +32,7 @@
 
 #include <stdint.h>
 #include <atomic>
+#include <tbb/task_arena.h>
 #include <sys/time.h>
 
 namespace rfb {
@@ -167,6 +168,7 @@ namespace rfb {
 
   protected:
     SConnection *conn;
+    tbb::task_arena arena;
 
     std::vector<Encoder*> encoders;
     std::vector<int> activeEncoders;