v0.30.5 - 23rd May 2022

Install: pass PKG_CONFIG_PATH via env rather than substitution. @dwisiswant0

Add support for --libc flag to improve cross-platform installation. #3160 @joonamo

Allow installation of prebuilt libvips binaries from filesystem. #3196 @ankurparihar

Fix rotate-then-extract for EXIF orientation 2. #3218 @jakob0fischl