libdnf:

• Allow excluding packages with "excludepkgs" and globs
• Add two new query filters: obsoletes_by_priority, upgrades_by_priority
• [context] Use installonly_limit from global config (RhBug:1256108)
• [context] Add API to get/set "install_weak_deps"
• [context] Add wildcard support for repo_id in dnf_context_repo_enable/disable (RhBug:1781420)
• [context] Adds support for includepkgs in repository configuration.
• [context] Adds support for excludepkgs, exclude, includepkgs, and disable_excludes in main configuration.
• [context] Added function dnf_transaction_set_dont_solve_goal
• [context] Added functions dnf_context_get/set_config_file_path
• [context] Respect "plugins" global conf value
• [context] Add API to disable/enable plugins

dnf:

• [doc] Remove note about user-agent whitelist
• Do a substitution of variables in repo_id (RhBug:1748841)
• Respect order of config files in aliases.d (RhBug:1680489)
• Unify downgrade exit codes with upgrade (RhBug:1759847)
• Improve help for 'dnf module' command (RhBug:1758447)
• Add shell restriction for local packages (RhBug:1773483)
• Fix detection of the latest module (RhBug:1781769)
• Document the retries config option only works for packages (RhBug:1783041)
• Sort packages in transaction output by nevra (RhBug:1773436)
• Honor repo priority with check-update (RhBug:1769466)
• Strip '\' from aliases when processing (RhBug:1680482)
• Print the whole alias definition in case of infinite recursion (RhBug:1680488)
• Add support of commandline packages by repoquery (RhBug:1784148)
• Running with tsflags=test doesn't update log files
• Restore functionality of remove --oldinstallonly
• Allow disabling individual aliases config files (RhBug:1680566)

dnf-plugins-core:

• Fix: config_manager respect config file location during save
• Redesign reposync --latest for modular system (RhBug:1775434)
• [reposync] Fix --delete with multiple repos (RhBug:1774103)
• [doc] Skip creating and installing migrate documentation for Python 3+
• [config-manager] Allow use of --set-enabled without arguments (RhBug:1679213)
• [versionlock] Prevent conflicting/duplicate entries (RhBug:1782052)

microdnf:

• Add reinstall command
• Add "--setopt=tsflags=test" support
• Add "--setopt=reposdir=<path>" and "--setopt=varsdir=<path1>,<path2>,..." support
• Add "--config=<path_to_config_file>" support
• Add "--disableplugin", "--enableplugin" support (RhBug:1781126)
• Add "--noplugins" support
• Add "--setopt=cachedir=<path_to_cache_directory>" support
• Add "--installroot=<path_to_installroot_directory>" support
• Add "--refresh" support
• Support "install_weak_deps" conf option and "--setopt=install_weak_deps=0/1"
• Respect reposdir from conf file
• Respect "metadata_expire" conf file opton (RhBug:1771147)
• Fix: Don't print lines with (null) in transaction report (RhBug:1691353)
• [repolist] Print padding spaces only if output is terminal