Use hook_libraries_info_alter() to replace Closure with SerializableClosureWrapper in $info['xautoload']
Register libraries on libraries_load($library_name), instead of at hook_init(). See https://drupal.org/node/2279981#comment-8845427
Add APCu class loader cache as an alternative to APC.
remove krumong form LibrariesPreLoadCallback.
LocalDirectoryAdapter::localDirectory must have trailing slash if not empty.
Eliminate LibrariesQueue, and instead add a LibraryCacheMissObserver per loaded library.
Manage VirtualDrupal components with a DIC.
Introduce LibrariesLoad in VirtualDrupal
Add DrupalSystemInterface::cacheGet() and ::cacheSet(), and use it instead of cache_get() / cache_set().
Manage VirtualDrupal components with a DIC.
Revamp libraries integration.
Make CallLog save against serialization in PHPUnit.
cleanup: linebreak at end of class.
Document that AbstractCachedClassLoader::checkRequirements() returns true or false and does not throw an exception.
Don't let ProxyClassFinder initialize twice.
Add a @see docblock.
remove StaticCallLog stuff from where it doesn't belong.
Change libraries integration.
Move test modules from VirtualFilesystem into real files in tests/fixtures/.modules.
Add DbCacheClassLoader.