diff --git a/.github/workflows/check_unit_tests.yml b/.github/workflows/check_unit_tests.yml
index afe6cce566..8a0a29d4cf 100644
--- a/.github/workflows/check_unit_tests.yml
+++ b/.github/workflows/check_unit_tests.yml
@@ -94,7 +94,8 @@ jobs:
         lcov --capture --directory "$(pwd)/build.debug/" --output-file coverage.info
         lcov --remove coverage.info '/usr/*' '*/tests/*' '*/thirdparty/*' '*/moc_*' '*framework/Headers/*' '*/hb-*' '*/Qt/*' --output-file filtered_coverage.info
 
-        python3 buildscripts/ci/linux/tools/lcov_badger.py filtered_coverage.info coverage_badge.svg
+        COVERAGE=$(lcov --summary filtered_coverage.info --ignore-errors inconsistent,corrupt,unsupported,empty,negative,mismatch,gcov | grep -oP 'lines\.+:\s+\K[0-9.]+')
+        python3 buildscripts/ci/linux/tools/lcov_badger.py "${COVERAGE}" coverage_badge.svg
 
     - name: Push to S3
       if: ( github.event_name == 'schedule' || inputs.code_coverage ) && github.repository == 'musescore/muse_framework'
diff --git a/buildscripts/ci/learn/make_playlists_info_file.sh b/buildscripts/ci/learn/make_playlists_info_file.sh
index 8a793ffb51..8ba1d84b3a 100644
--- a/buildscripts/ci/learn/make_playlists_info_file.sh
+++ b/buildscripts/ci/learn/make_playlists_info_file.sh
@@ -44,5 +44,7 @@ cat $ARTIFACTS_DIR/playlist.json
 
 echo "=== Make playlist for YouTube ==="
 
+python3 -c "import requests" 2>/dev/null || pip install requests
+
 HERE="$(cd "$(dirname "$0")" && pwd)"
 python3 $HERE/make_youtube_playlist_info.py ${YOUTUBE_API_KEY} ${YOUTUBE_PLAYLIST_ID} ${ARTIFACTS_DIR}/playlist.json
diff --git a/buildscripts/ci/linux/Dockerfile b/buildscripts/ci/linux/Dockerfile
deleted file mode 100644
index be2606c80c..0000000000
--- a/buildscripts/ci/linux/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM library/ubuntu:18.04
-COPY setup.sh /setup.sh
-RUN bash -ex setup.sh
diff --git a/buildscripts/ci/linux/tools/lcov_badger.py b/buildscripts/ci/linux/tools/lcov_badger.py
index 088f975f6f..a90d8207e8 100644
--- a/buildscripts/ci/linux/tools/lcov_badger.py
+++ b/buildscripts/ci/linux/tools/lcov_badger.py
@@ -1,9 +1,8 @@
-import io
 import sys
 
-USAGE = "Usage: python lcov-badger.py (path-to-info-file) (path-for-output-svg)"
+USAGE = "Usage: python lcov-badger.py (coverage-percent) (path-for-output-svg)"
 
-SVG_TEMPLATE = """<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="106" height="20" role="img" aria-label="Coverage: 100%">
+SVG_TEMPLATE = """<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="106" height="20" role="img" aria-label="Coverage: {{PERCENT}}%">
         <linearGradient id="s" x2="0" y2="100%">
                 <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
                 <stop offset="1" stop-opacity=".1"/>
@@ -27,34 +26,16 @@
 def create_svg(percent):
     return SVG_TEMPLATE.replace("{{PERCENT}}", str(percent))
 
-def extract_coverage(data):
-    lines = data.split("\n")
-
-    lines_found = [float(line[3:]) for line in lines if line.startswith("LF:")]
-    lines_found_sum = sum(lines_found)
-
-    lines_exec = [float(line[3:]) for line in lines if line.startswith("LH:")]
-    lines_exec_sum = sum(lines_exec)
-
-    return int(round(lines_exec_sum / lines_found_sum * 100))
-
 if (len(sys.argv) != 3):
     print(USAGE)
     exit(-1)
 
-source_path = sys.argv[1]
+coverage = int(round(float(sys.argv[1])))
 svg_path = sys.argv[2]
-print("Reading coverage info from " + source_path)
-
-info = ""
-with open(source_path, 'r') as info_file:
-    info = info_file.read()
 
-coverage = extract_coverage(info)
 badge_data = create_svg(coverage)
 
-print(repr(SVG_TEMPLATE))
-
+print("Coverage: " + str(coverage) + "%")
 print("Creating a coverage badge " + svg_path)
 with open(svg_path, 'w') as badge_file:
     badge_file.write(badge_data)
diff --git a/buildscripts/ci/release/make_previous_releases_notes.sh b/buildscripts/ci/release/make_previous_releases_notes.sh
index 2f75627f10..dc87d843a3 100644
--- a/buildscripts/ci/release/make_previous_releases_notes.sh
+++ b/buildscripts/ci/release/make_previous_releases_notes.sh
@@ -42,9 +42,11 @@ while [[ "$#" -gt 0 ]]; do
     shift
 done
 
+HERE="$(cd "$(dirname "$0")" && pwd)"
+
 echo "=== Get release info ==="
 
-bash ./buildscripts/ci/release/get_file_from_s3.sh \
+bash "$HERE"/get_file_from_s3.sh \
     --s3_key "${S3_KEY}" \
     --s3_secret "${S3_SECRET}" \
     --s3_url "${S3_URL}" \
@@ -53,5 +55,4 @@ bash ./buildscripts/ci/release/get_file_from_s3.sh \
 
 echo "=== Append release info to previous releases ==="
 
-HERE="$(cd "$(dirname "$0")" && pwd)"
 python3 "$HERE"/append_release_to_previous_releases.py ${ARTIFACTS_DIR}/"${CURRENT_FILE_NAME}" ${ARTIFACTS_DIR}/"${PREVIOUS_FILE_NAME}"
diff --git a/buildscripts/ci/tools/generateGitLog.sh b/buildscripts/ci/tools/generateGitLog.sh
deleted file mode 100755
index 43cd207087..0000000000
--- a/buildscripts/ci/tools/generateGitLog.sh
+++ /dev/null
@@ -1,46 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-License-Identifier: GPL-3.0-only
-# MuseScore-Studio-CLA-applies
-#
-# MuseScore Studio
-# Music Composition & Notation
-#
-# Copyright (C) 2021 MuseScore Limited and others
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 3 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.set -e
-
-options="--all -10"
-messages_command="git log --pretty=tformat:'%s' ${options[@]}"
-lines_command="git log --pretty=tformat:'<b>%h</b> -  __XX123XX__ </li>' ${options[@]}"
-
-# damn bash arrays
-OLDIFS=$IFS
-IFS=$'\n'
-
-messages=($(bash -c "$messages_command"))
-lines=($(bash -c "$lines_command"))
-
-IFS=$OLDIFS
-
-mlen=${#messages[@]}
-llen=${#lines[@]}
-
-OUTPUT=${OUTPUT}"<ul>"
-for (( i=0; i<${mlen}; i++ )); do
-  message=$(perl -MHTML::Entities -e '$msg=encode_entities($ARGV[1]);$l=$ARGV[0];$l =~ s/__XX123XX__/$msg/;print $l;' "${lines[$i]}" "${messages[$i]}")
-  OUTPUT=${OUTPUT}"<li>$message"
-done
-OUTPUT=${OUTPUT}"</ul>"
-
-echo $OUTPUT
-
diff --git a/buildscripts/ci/tools/s3_push_file.sh b/buildscripts/ci/tools/s3_push_file.sh
index 1043505212..f422fd54a2 100644
--- a/buildscripts/ci/tools/s3_push_file.sh
+++ b/buildscripts/ci/tools/s3_push_file.sh
@@ -24,6 +24,7 @@ S3_SECRET=""
 S3_URL=""
 
 FILE_PATH=""
+CACHE_CONTROL=""
 
 while [[ "$#" -gt 0 ]]; do
     case $1 in
@@ -31,13 +32,21 @@ while [[ "$#" -gt 0 ]]; do
         --s3_secret) S3_SECRET="$2"; shift ;;
         --s3_url) S3_URL="$2"; shift ;;
         --file_path) FILE_PATH="$2"; shift ;;
+        --cache_control) CACHE_CONTROL="$2"; shift ;;
         *) echo "Unknown parameter passed: $1"; exit 1 ;;
     esac
     shift
 done
 
-bash ./buildscripts/ci/tools/s3_install.sh --s3_key ${S3_KEY} --s3_secret ${S3_SECRET}
+HERE="$(cd "$(dirname "$0")" && pwd)"
+
+bash "$HERE"/s3_install.sh --s3_key ${S3_KEY} --s3_secret ${S3_SECRET}
 
 echo "=== Publish to S3 ==="
 
-s3cmd put --acl-public --guess-mime-type $FILE_PATH "$S3_URL"
+EXTRA_ARGS=()
+if [ -n "$CACHE_CONTROL" ]; then
+    EXTRA_ARGS+=(--add-header="Cache-Control: ${CACHE_CONTROL}")
+fi
+
+s3cmd put --acl-public --guess-mime-type "${EXTRA_ARGS[@]}" $FILE_PATH "$S3_URL"