Problem:    Long quickfix line is truncated for :clist.
Solution:   Allocate a buffer if needed.

Problem:    Flag "new_value_alloced" is always true.
Solution:   Remove "new_value_alloced". (closes #10792)

Problem:    Conditions are always true.
Solution:   Remove useless conditions. (closes #10802)

Problem:    Cursor restored unexpected with nested autocommand.
Solution:   Do not restore the cursor when it was moved intentionally.
            (closes #10780)

Problem:    Sway config files are recognized as i3config.
Solution:   Recognize swayconfig separately. (James Eapen, closes #10672)

Problem:    Plugins cannot change v:completed_item.
Solution:   Make v:completed_item writeable. (Shougo Matsushita,
            closes #10801)

Problem:    Duplicate error number.
Solution:   Use unique error number.

Problem:    No error when assigning bool to a string option with setwinvar().
Solution:   Give an error (closes #10766)

Problem:    Fuzzy argument completion doesn't work for shell commands.
Solution:   Check for cmdidx not being CMD_bang. (Yegappan Lakshmanan,
            closes #10769)

Problem:    Pattern for detecting bitbake files is not sufficient.
Solution:   Adjust the pattern. (Gregory Anders, closes #10743)