- ENABLE_DEBIAN=1 and MULTI_SEMANTICS=1

- fix misparsing of '&' in attributes with libxml2
- choice rules: treat orphaned packages as newest [bsc#1190465]
- fix compatibility with Python 3.10
- new SOLVER_EXCLUDEFROMWEAK job type
- support for environments in comps parser
- bump version to 0.7.20

- Disable python2 usage on suse_version >= 1550 by default (still
  possible to use osc build --with=python).

- fix rare segfault in resolve_jobrules() that could happen
  if new rules are learnt
- fix a couple of memory leaks in error cases
- fix error handling in solv_xfopen_fd()
- bump version to 0.7.19

- fixed regex code on win32
- fixed memory leak in choice rule generation
- repo_add_conda: add flag to skip v2 packages
- bump version to 0.7.18

- repo_write: fix handling of nested flexarray
- improve choicerule generation a bit more to cover more cases
- harden testcase parser against repos being added too late
- support python-3.10
- check %_dbpath macro in rpmdb code
- handle default/visible/langonly attributes in comps parser
- support multiple collections in updateinfo parser
- add '-D' option in rpmdb2solv to set the dbpath
- bump version to 0.7.17

• Browse Source