Compatibility for 6.2
Compatibility for 6.2 is given, I've tried.
Therefore in general the extension could be copied to git - including Update of TYPO3 Version and giving an Extension-Version.
Updated by David Bruchmann about 5 years ago
Sorry, I missed a change I had to make for compatibility with 6.2:
In GalleryController::showGalleryAction(...) I changed:
EDIT: Change seems never being required. Was done due to unsupported file-types.