versions.sh

$ glxinfo | grep 'version'
server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
    Max core profile version: 4.5
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.1
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.3.4
OpenGL core profile shading language version string: 4.50
OpenGL version string: 3.0 Mesa 18.3.4
OpenGL shading language version string: 1.30
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 18.3.4
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10