Sumup is in upstream release notes

• https://github.com/rpm-software-management/mock/wiki/Release-Notes-2.0
• https://github.com/rpm-software-management/mock/wiki/Release-Notes-2.1
• https://github.com/rpm-software-management/mock/wiki/Release-Notes-2.2

mock-2.2-1

• depend on mock-configs, not mock-core-configs so users can pick an alternative package with configuration
• bind-mounting stuff below /tmp into bootstrap is fixed with nspawn (GH#502)
• don't do util.getAddtlReqs when 'more_buildreqs' not specified
• implement doOutChroot() abstraction which runs commands either in bootstrap or on host, depending on isolation={nspawn|simple}
• use doOutChroot() for package_state plugin (GH#525)
• fix for "mock --chroot -- cmd arg1 arg2" use-case
• site-defaults.cfg moved from /etc to %%doc, and the config file is now provided by mock-core-configs (GH#555)
• bootstrap: expand dnf vars in local repo bind-mounts (#1815703)
• bootstrap: bindmount local metalink/mirrorlist (#1816696)
• config_opts['isolation'] option invented, replaces 'use_nspawn'
• 'isolation' is now set to 'auto' (means 'nspawn' with fallback to 'simple', (GH#337, otaylor@fishsoup.net)
• Fedora Toolbox && bootstrap - don't re-bind-mount dev files, and fix installation of filesystem.rpm from bootstrap to normal chroot (GH#550)
• re-define %%python3_pkgversion on el7 (GH#545)
• docker use-case: use getpass.getuser() instead of os.getlogin() (GH#551)
• set LANG to C.UTF-8 by default, even if host has different value (GH#451)
• bootstrap: use configured yum commands (GH#518, paul@city-fan.org)
• fixup doubled-logs by predictable bootstrap resultdir (GH#539, #1805631)
• fix --chain --isolation=simple with external URLs (GH#542)
• option --orphanskill fixed for --isolation=simple --bootstrap-chroot
• orphan processes are now also killed "postyum", right after the installation trasactions are executed to also kill daemons started from scriptlets (GH#183)
• EL7 fix - use 'private' mount option for <bootsrap_root>/<root>, not 'rprivate'
• ceanup rpmdb before checking installed packages (fixes builds against target chroots that have different rpmdb backend, e.g. SQLite on F33+)

mock-core-configs-32.6-1

• the site-defaults.cfg file moved from mock to mock-core-configs
• new option config_opts['isolation'], obsoletes 'use_nspawn'
• declare minimal version of mock, and set this to v2.2 as we use the new 'isolation' config option now, and we provide site-defaults.cfg file
• specify amazonlinux bootstrap image, to fix --use-bootstrap-image
• allow to replace mock-core-configs by packages that 'Provides: mock-configs'
• rpmlint: remove macro in comment

mock 2.1

• depend on mock-core-configs >= 32.4
• new build-time testsuite
• accept return code 0 from rpmbuild -br (thrnciar@redhat.com)
• bootstrap: bind-mount the inner root mount with rprivate
• new ssl_ca_bundle_path option
• chain: don't run buildroot.finalize() for each package
• don't fail when /etc/pki certs are not found (frostyx@email.cz)
• lvm_root: fix --scrub=all
• exclude plugin compiled stuff packaged in sub-packages
• keep trailing newlines in jinja expand
• sign-plugin: use %%(rpms) variable expansion again
• bootstrap: bind-mount also baseurl=/absolute/dir repos
• 'dnf.conf' config is now equivalent to 'yum.conf'
• don't emit unneeded warning for missing yum (remi@remirepo.net)
• allow --install /usr/bin/time [GH#474] (miroslav@suchy.cz)

mock 32.4

• disable package_state plugin for openmandriva 4.0/Cooker
• Mageia 6 is EOL
• opensuse: copy ssl ca bundle to correct path

mock

• log reasons why src.rpm can not be installed into chroot
• nspawn: non-interactive commands in chroot are executed with --pipe
• bind mount local repos to bootstrap chroot (dturecek@redhat.com)
• expand the generated config (includes) completely before passing it to eval() (sergio@serjux.com)
• do not ignore cleanup_on_success when post_install is True (logans@cottsay.net)
• fix fd resource-leak in 'mock --chain' (jcajka@redhat.com)
• the --debug-config option only shows the differences from the mock's default configuration
• do not expand jinja for --debug-config
• don't use chroot.pkg_manager in podman case, we need to install from within the container
• --use-bootstrap-image implies --bootstrap-chroot
• drop python2 support from spec file, and code too
• ammend man page and state that --dnf is the default now
• rename --{old,new}-chroot to --isolation
• turn ON the jinja rendering a bit earlier
• pre-populate loop devices in nspawn chroot as with --isolation=chroot
• deepcopy the plugin_conf options from chroot to bootstrap_chroot
• simplified implementation of include() config option, accept relative files (jkadlcik@redhat.com, sergio@serjux.com)
• lvm_root: fix volume removal in --scrub
• bootstrap: don't install shadow-utils, and distribution-gpg-keys
• make --sources optional for --buildsrpm mode (sisi.chlupova@gmail.com)
• bootstrap: bind-mount normal chroot into bootstrap chroot recursively
• add --scrub=bootstrap parameter (frostyx@email.cz)
• don't clean bootstrap with --clean
• do not call traceLog decorator when no tracing
• pre-create builddir before changing it's owner, and when we have proper process privileges
• copy /etc/pki/ca-trust/extracted into chroot [GH#397]
• change default of 'package_manager' to 'dnf'
• always copy distribution-gpg-keys into chroot [GH#308]
• support DNF vars added [GH#346]
• use jinja macros instead of python variable expansion
• get the text representation of error code
• --scrub=all also does --scrub=bootstrap (jkadlcik@redhat.com)
• success/fail aren't created root-owned
• compress_logs: setup defaults to 'gzip'
• raise error for --localrepo without --chain
• detect that forcearch can not work, and raise obvious error
• drop unnecessary privilege escalations which only make unnecessary root-owned files
• solve yum.conf vs. dnf.conf inconsistency in code and config
• fix mockchain with --bootstrap-chroot (issue/469)
• document 'mock --chain -c' in man page

mock-core-configs

• solve yum.conf vs. dnf.conf inconsistency in config and code
• add F32 configs and move rawhide to F33
• make compatibility changes with mock 2.0
• allow host overrides (build-time for now)
• use jinja for gpgkey= in rawhide template
• add rhel-{7,8}-s390x configs
• drop rhel-8-ppc64, it was never supported
• fix rhel-7 configs
• update epel-8 config template to include modular repos as well as missing non-modular source repo (mmathesi@redhat.com)
• drop for a long time useless epel-6-ppc64 config
• use template for opensuse, openmandriva, mageia, epel, custom ...
• fix epel-6.tpl config bug
• set default podman image for centos-stream
• remove aarch64 string from repo name in template [#1780977]
• EOL F29 configs
• fix rhelepel configs
• allow including configs and templates from relative path (frostyx@email.cz)
• configs: drop cost=2000 from fedora-31+-i386
• add missing metadata_expire=0 to epel configs
• change default of 'package_manager' to 'dnf', and use 'dnf.conf'
• remove rhelbeta-8-*
• fixed mageia, opensuse and mandriva configs
• fixed fedora 31+ i386 configs