diff --git a/.appveyor.yml b/.appveyor.yml
index a79f81d39..e923ded37 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -38,6 +38,7 @@ skip_commits:
     - 'templates/*'
     - '**/*.html'
     - '**/*.md'
+    - '.github/*'
 
 #---------------------------------#
 #   build matrix configuration    #
diff --git a/.ci b/.ci
index e91a58837..ad8dd4a13 160000
--- a/.ci
+++ b/.ci
@@ -1 +1 @@
-Subproject commit e91a5883704e9fa57792953436eb7020baf37063
+Subproject commit ad8dd4a136348c7dc889fdc03a645e0f0358a2dc
diff --git a/.github/workflows/ci-scripts-build.yml b/.github/workflows/ci-scripts-build.yml
new file mode 100644
index 000000000..0afd27852
--- /dev/null
+++ b/.github/workflows/ci-scripts-build.yml
@@ -0,0 +1,125 @@
+# .github/workflows/ci-scripts-build.yml for use with EPICS Base ci-scripts
+# (see: https://github.com/epics-base/ci-scripts)
+
+# This is YAML - indentation levels are crucial
+
+# Set the 'name:' properties to values that work for you
+
+name: Base
+
+# Trigger on pushes and PRs to any branch
+on:
+  push:
+    paths-ignore:
+      - .appveyor.yml
+  pull_request:
+
+env:
+    SETUP_PATH: .ci-local:.ci
+    BASE: SELF
+    EPICS_TEST_IMPRECISE_TIMING: YES
+
+jobs:
+  build-base:
+    name: ${{ matrix.os }}/${{ matrix.cmp }}/${{ matrix.configuration }}/${{ matrix.wine }}${{ matrix.rtems }}/${{ matrix.extra }}
+    runs-on: ${{ matrix.os }}
+    # Set environment variables from matrix parameters
+    env:
+      CMP: ${{ matrix.cmp }}
+      BCFG: ${{ matrix.configuration }}
+      WINE: ${{ matrix.wine }}
+      RTEMS: ${{ matrix.rtems }}
+      EXTRA: ${{ matrix.extra }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-20.04
+            cmp: gcc
+            configuration: default
+            wine: "64"
+
+          - os: ubuntu-20.04
+            cmp: gcc
+            configuration: static
+            wine: "64"
+
+          - os: ubuntu-20.04
+            cmp: gcc
+            configuration: static
+            extra: "CMD_CXXFLAGS=-std=c++11"
+
+          - os: ubuntu-16.04
+            cmp: clang
+            configuration: default
+
+          - os: ubuntu-20.04
+            cmp: clang
+            configuration: default
+            extra: "CMD_CXXFLAGS=-std=c++11"
+
+          - os: ubuntu-20.04
+            cmp: gcc
+            configuration: default
+            rtems: "4.10"
+
+          - os: ubuntu-20.04
+            cmp: gcc
+            configuration: default
+            rtems: "4.9"
+
+          - os: ubuntu-16.04
+            cmp: gcc-4.8
+            utoolchain: true
+            configuration: default
+
+          - os: ubuntu-16.04
+            cmp: gcc-4.9
+            utoolchain: true
+            configuration: default
+
+          - os: ubuntu-20.04
+            cmp: gcc-8
+            utoolchain: true
+            configuration: default
+
+          - os: ubuntu-20.04
+            cmp: clang
+            configuration: default
+
+          - os: macos-latest
+            cmp: clang
+            configuration: default
+
+          - os: windows-2019
+            cmp: vs2019
+            configuration: default
+
+          - os: windows-2019
+            cmp: vs2019
+            configuration: static
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: "apt-get install"
+      run: |
+        sudo apt-get update
+        sudo apt-get -y install qemu-system-x86 g++-mingw-w64-x86-64 gdb
+      if: runner.os == 'Linux'
+    - name: "apt-get install ${{ matrix.cmp }}"
+      run: |
+        sudo apt-get -y install software-properties-common
+        sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+        sudo apt-get update
+        sudo apt-get -y install ${{ matrix.cmp }}
+      if: matrix.utoolchain
+    - name: Prepare and compile dependencies
+      run: python .ci/cue.py prepare
+    - name: Build main module
+      run: python .ci/cue.py build
+    - name: Run main module tests
+      run: python .ci/cue.py test
+    - name: Collect and show test results
+      run: python .ci/cue.py test-results
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 5edb00dcd..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,93 +0,0 @@
-# .travis.yml for use with EPICS Base ci-scripts
-# (see: https://github.com/epics-base/ci-scripts)
-
-language: cpp
-compiler: gcc
-dist: xenial
-
-cache:
-  directories:
-  - $HOME/.cache
-
-env:
-  global:
-    - SETUP_PATH=.ci-local:.ci
-    - BASE=SELF
-
-addons:
-  apt:
-    packages:
-    # for all EPICS builds
-    - libreadline6-dev
-    - libncurses5-dev
-    - perl
-    # for clang compiler
-    - clang
-    # for mingw builds (32bit and 64bit)
-    - g++-mingw-w64-i686
-    - g++-mingw-w64-x86-64
-    # for RTEMS cross builds
-    - qemu-system-x86
-  homebrew:
-    packages:
-    # for all EPICS builds
-    - bash
-    update: true
-
-install:
-  - ./.ci/travis/prepare.sh
-
-script:
-  - ./.ci/travis/build.sh
-
-# Define build jobs
-
-jobs:
-  include:
-
-# Different configurations of default gcc and clang
-# (the DIST settings are just FYI on the travis-ci.org site)
-  - dist: bionic
-    env: DIST=bionic
-
-  - env: DIST=xenial
-
-  - dist: bionic
-    env: DIST=bionic EXTRA="CMD_CXXFLAGS=-std=c++11"
-
-  - dist: trusty
-    env: DIST=trusty STATIC=YES EXTRA="CMD_CXXFLAGS=-std=c++11"
-
-  - dist: bionic
-    compiler: clang
-    env: DIST=bionic
-
-  - compiler: clang
-    env: DIST=xenial
-
-  - dist: trusty
-    compiler: clang
-    env: DIST=trusty STATIC=YES
-
-# Cross-compilations to Windows using MinGW and WINE
-
-  - env: WINE=32 TEST=NO STATIC=YES
-    compiler: mingw
-
-  - env: WINE=32 TEST=NO STATIC=NO
-    compiler: mingw
-
-# Cross-compilation to RTEMS
-
-  - env: RTEMS=4.10 TEST=NO
-
-  - env: RTEMS=4.9 TEST=NO
-
-# MacOS build
-
-  - os: osx
-    env:
-      - EXTRA="CMD_CFLAGS=-mmacosx-version-min=10.7"
-      - EXTRA1="CMD_CXXFLAGS=-mmacosx-version-min=10.7 -std=c++11 -stdlib=libc++"
-      - EXTRA2="CMD_LDXFLAGS=-mmacosx-version-min=10.7 -std=c++11 -stdlib=libc++"
-    compiler: clang