Problem:    "term_opencmd" option of term_start() is truncated. (Sergey
            Vlasov)
Solution:   Allocate the buffer to hold the command. (closes #7284)

Problem:    Making a mapping work in all modes is complicated.
Solution:   Add the <Cmd> special key. (Yegappan Lakshmanan, closes #7282,
            closes 4784, based on patch by Bjorn Linse)

Problem:    Vim9: error for using a string in a condition is confusing.
Solution:   Give a more specific error.  Also adjust the compile time type
            checking for || and &&.

Problem:    Cannot backspace in prompt buffer after using cursor-left. (Maxim
            Kim)
Solution:   Ignore "arrow_used" in a prompt buffer. (closes #7281)

Problem:    Win32: memory leak when encoding conversion fails.
Solution:   Free the allocated memory. (Ken Takata, closes #7277)

Problem:    Vim9: test for has('gui_running') fails with VIMDLL.
Solution:   Adjust the #ifdef. (Ken Takata, closes #7276)

Problem:    Finding a patch number can be a bit slow.
Solution:   Use binary search. (closes #7279)

Problem:    Crash when recreating nested fold.
Solution:   Check for empty growarray. (closes #7278)

Problem:    Memory leak when map() fails.
Solution:   Clear the typval.

Problem:    It is easy to make mistakes when cleaning up swap files after the
            system crashed.
Solution:   Warn for the process still running after recovery.  Do not
            automatically delete a swap file created on another system.
            (David Fries, closes #7273)