Problem:    MS-Windows: adding a long quickfix list is slow.
Solution:   Shorten the buffer name only for the first entry. (Yegappan
            Lakshmanan, closes #7039, closes #7033)

Problem:    Memory access errors when calling setloclist() in an autocommand.
Solution:   Give an error if the list was changed unexpectedly. (closes #6946)

Problem:    Vim9: cannot pass "true" to setloclist().
Solution:   Use dict_get_bool(). (closes #6882)

Problem:    Missing line end when skipping a long line with :cgetfile.
Solution:   Fix off-by-one error. (closes #6870)

Problem:    Crash in :vimgrep when started as "vim -n". (Raul Segura)
Solution:   Check mfp pointer. (Yegappan Lakshmanan, closes #6827)

Problem:    No ATTENTION prompt for :vimgrep first match file.
Solution:   When there is an existing swap file do not keep the dummy buffer.
            (closes #6649)

Problem:    The "trailing characters" error can be hard to understand.
Solution:   Add the trailing characters to the message.

Problem:    Cannot use a lambda with quickfix functions.
Solution:   Add support for lambda. (Yegappan Lakshmanan, closes #6499)

Problem:    Coverity gets confused by an unnecessary NULL check.
Solution:   Remove the check for NULL.

Problem:    No error when using wrong arguments for setqflist() or
            setloclist().
Solution:   Check for the error.