+ * cmdline/apt-cache.cc:
+ - make the search multiarch compatible by using GrpIterator instead
+ - use pkgCacheFile and the new CacheSets all over the place
+ - add --target-release option (Closes: #115520)
+ - accept pkg/release and pkg=version in show and co. (Closes: #236270)
+ - accept package versions in the unmet command
+ * cmdline/apt-get.cc:
+ - use unsigned long long instead of double to store values it gets
+ * apt-pkg/cachefile.{cc,h}:
+ - split Open() into submethods to be able to build only parts
+ - make the OpProgress optional in the Cache buildprocess
+ - store also the SourceList we use internally for export