Problem:    Scrollbars not flush against the window edges when maximised.
Solution:   Add padding. (Ken Takata, closes #5602, closes #6466)

Problem:    Vim9: allowing both quoted and # comments is confusing.
Solution:   Only support # comments in Vim9 script.

Problem:    MS-Windows: windows positioning wrong when the taskbar is placed
            at the top or left of the screen.
Solution:   Use GetWindowRect and MoveWindow APIs. (Yukihiro Nakadaira,
            Ken Takata, closes #6455)

Problem:    Linker errors when building with dynamic Python 3.9.
Solution:   Add #defined items. (closes #6461)

Problem:    Vim9: arguments from partial are not used.
Solution:   Put the partial arguments on the stack. (closes #6460)

Problem:    Vim9: invalid type error for function default value.
Solution:   Use right argument index. (closes #6458)

Problem:    When using valgrind a Vim command started by a test uses the same
            log file name which gets overwritten.
Solution:   Fix regexp to rename the log file.

Problem:    Memory leak when updating popup window.
Solution:   Clear search highlighting.

Problem:    memory access error when dragging a popup window over a buffer
            with folding.
Solution:   Avoid going over the end of the cache. (closes #6438)

Problem:    Symlink not followed if dirname ends in //.
Solution:   Resolve symlink earlier. (Tomáš Janoušek, closes #6454)

Problem:    Vim9: cannot use 'text'->func().
Solution:   Recognize string at start of command.

Problem:    Startup test depends on random source file.
Solution:   Write a test file to find quickfix errors in.

Problem:    Startup test fails.
Solution:   Adjust expected values for deleted lines.

Problem:    Atari MiNT support is outdated.
Solution:   Nobody responded this code is still useful, so let's delete it.

Problem:    MS-Windows: default _vimrc not correct in silent install mode.
Solution:   Add the LoadDefaultVimrc macro. (Ken Takata, closes #6451)

Problem:    Mouse codes not tested sufficiently.
Solution:   Add more tests for mouse codes. (closes #6436)

Problem:    Cannot build with Lua 5.4.
Solution:   Use luaL_typeerror instead defining it. (closes #6454)

Problem:    Removed more than dead code.
Solution:   Put back the decrement.

Problem:    Using ht_used when looping through a hashtab is less reliable.
Solution:   Use ht_changed in a few more places.

Problem:    Vim9: test failure.
Solution:   Add missing changes to hashtab.

Problem:    Build failure.
Solution:   Add missing change.

Problem:    Vim9: crash in expr test when run in the GUI.
Solution:   Break out of loop over hashtab also when function got removed and
            added.

Problem:    Vim9: crash in expr test when run in the GUI.
Solution:   Temporarily comment out two test lines.

Problem:    Vim9: && and || work different when not compiled.
Solution:   Keep the value.

Problem:    Vim9: true and false not recognized in Vim9 script.
Solution:   Recognize true and false.

Problem:    Unused assignments in expression evaluation.
Solution:   Move declarations and assignments to inner blocks where possible.

Problem:    Vim9: crash when calling a closure from a builtin function.
Solution:   Use the current execution context. (closes #6441)

Problem:    Vim9: crash when passing number as dict key.
Solution:   Check key type to be string. (closes #6449)

Problem:    Vim9: cannot disassemble a lambda function.
Solution:   Recognize "<lambda>123" as a function name.

Problem:    Not all assert functions are fully tested.
Solution:   Test more assert functions.

Problem:    Terminal2 test sometimes hangs in the GUI on Travis.
Solution:   Move test function to terminal3 to see if the problem moves too.

Problem:    Clientserver test still fails on MS-Windows.
Solution:   Expect a different error message.

Problem:    Build failure with normal features.
Solution:   Add #ifdef.

Problem:    Clientserver test fails on MS-Windows.
Solution:   Expect a different error message.

Problem:    Test failure because shell prompt differs.
Solution:   Set the shell prompt.

Problem:    Terminal window not redrawn when dragging a popup window over it.
Solution:   Redraw terminal window. (fixes #6438)

Problem:    Lua test fails with older Lua version.
Solution:   Adjust expected error messages. (closes #6444)

Problem:    Vim9: crash when function calls itself.
Solution:   Add status UF_COMPILING. (closes #6441)

Problem:    Vim9: checking for Vim9 syntax is spread out.
Solution:   Use in_vim9script().

Problem:    Vim9: line continuation in lambda doesn't always work.
Solution:   Do not use a local evalarg unless there isn't one. (closes #6439)