core:
 * Draw better circles for circle annotations
 * Fix annotation line width if no appearance stream or style are given
 * Tweak rendering of highlight annotations
 * Fix border rendering of some annotations
 * Fix rendering of some files. Issue #976 Issue #567
 * PSOutputDev: provide options to set the rasterization color space and ICC profile
 * PSOutputDev: for splashModeCMYK8 and language level >=2 activate overprint emulation
 * PSOutputDev: use the DeviceN8 bitmap for rasterization with CMYK-output + overprint
 * Use the font name without subset tag when querying for a system font
 * Splash: Fix wrong x adjustment during clipping
 * Splash: Fix blitImage in uncolored tiling patterns
 * timeToDateString: We forgot the ' after the minutes
 * Move psLevel to PSOutputDev creation
 * Fix several issues in broken files

utils:
 * pdftops: provide options to set the rasterization color space and ICC profile
 * pdftops: for splashModeCMYK8 and language level >=2 activate overprint emulation

cpp:
 * New fuzzers

glib:
 * New fuzzers

qt5:
 * New fuzzers

build system:
 * gcc: Enable -fno-operator-names
 * Remove obsolete bool-to-binary macro
 * Remove obsolete version-check macro for pkgconfig
 * Remove .pc files for private back-ends
 * Remove redundant unit-test macro