Problem: Wrong window size when a modeline changes 'columns' and there is
more th...

Problem: Timer info test fails on slow machine.
Solution: Use WaitForAssert().

Problem: Vim9: accessing freed memory when checking type.
Solution: Make a copy of a functi...

Problem: New compiler warnings from clang-12 and clang-13.
Solution: Adjust CI and suppress...

Problem: Zig files are not recognized.
Solution: Add *.zig. (Gregory Anders, closes #9313)

Problem: timer_info() has the wrong repeat value in a timer callback.
Solution: Do not add ...

Problem: Crash when using NULL partial.
Solution: Check for NULL.

Problem: Converting a funcref to a string leaves out "g:", causing the
meaning of...

Problem: Vim9: cannot use a lambda for 'opfunc' and others.
Solution: Convert the lambda to...

Problem: Cannot see any text when window was made zero lines or zero
columns.
Sol...

Problem: When editing the command line a FocusLost callback may cause the
screen ...

Problem: If the quickfix buffer is wiped out getqflist() still returns its
number...

Problem: Focus change is not passed on to a terminal window.
Solution: If the current windo...

Problem: Not automatically handling gnome terminal mouse like xterm.
Solution: Default 'tty...

Problem: Quickfix buffer becomes hidden while still in a window.
Solution: Check if the clo...

Problem: Options that take a function insufficiently tested.
Solution: Add additional tests...

Problem: An overlong highlight group name is silently truncated.
Solution: Give an error if...

Problem: might crash when callback is not valid.
Solution: Check for valid callback. (Yegap...

Problem: Coverity warns for using a buffer in another scope.
Solution: Declare the buffer i...

Problem: Undesired changing of the indent of the first formatted line.
Solution: Do not ind...

Problem: Vim9: function unreferenced while called is never deleted.
Solution: Delete a func...

Problem: Build error when using Photon GUI.
Solution: Adjust #ifdef. (closes #9288)

Problem: Cannot assign a lambda to an option that takes a function.
Solution: Automatically...

Problem: Error messages are everywhere.
Solution: Move more error messages to errors.h and ...

Problem: Error messages are everywhere.
Solution: Move more error messages to errors.h and ...

Problem: Giving an error for an empty sign argument breaks a plugin.
Solution: Do not give ...

Problem: Cannot remove highlight from an existing sign. (James McCoy)
Solution: Only reject...

Problem: Cannot disassemble function starting with "debug" or "profile".
Solution: Check fo...

Problem: Autochdir test fails without the +channel feature.
Solution: Remove the ch_logfile...

Problem: E854 is not tested; some spelling suggestions are not tested.
Solution: Add a coup...

Problem: ":sign" can add a highlight group without a name.
Solution: Give an error if the g...

Problem: Dec mouse test fails without gnome terminfo entry.
Solution: Check if there is a g...

Problem: Using freed memory in open command.
Solution: Make a copy of the current line.

Problem: Memory left allocated on exit when using Tcl.
Solution: Call Tcl_Finalize().

Problem: In wrong directory when using win_execute() with 'acd' set.
Solution: Restore the ...

Problem: Screen is cleared when a FocusLost autocommand triggers.
Solution: Do not redraw w...

Problem: Test fails without the 'autochdir' option.
Solution: Check that the option is avai...

Problem: Test fails without the channel feature. (Dominique Pellé)
Solution: Source the che...

Problem: Cannot use a lambda for 'imactivatefunc'.
Solution: Add lambda support for 'imacti...

Problem: Vim9: crash when no pattern match found.
Solution: Check for error.

Problem: Vim9: using "legacy" before range does not work.
Solution: Skip over range before ...

Problem: "set! termcap" test fails.
Solution: Account for keys without a t_xx entry.

Problem: "set! termcap" shows codes in one column, but not keys.
Solution: Also use one col...

Problem: "/etc/Muttrc.d/README" gets filetype muttrc.
Solution: Move the Muttrc.d pattern d...

Problem: No support for squirrels. (closes #9259)
Solution: Recognize nuts.

Problem: Internal error when passing range() to list2blob().
Solution: Materialize the list...

Problem: In a gnome terminal keys are recognized as mouse events.
Solution: Only recognize ...

Problem: README file in a config directory gets wrong filetype.
Solution: Match README befo...

Problem: Cannot use a lambda for 'completefunc' and 'omnifunc'.
Solution: Implement lambda ...

Problem: Build error for missing error message in small build.
Solution: Correct #ifdef.

Problem: When using 'linebreak' a text property starts too early.
Solution: Decrement "bcol...

Problem: Amiga: superfluous messages for freeing lots of yanked text.
Solution: Assume that...

Problem: Using memory freed by losing the clipboard selection. (Dominique
Pellé)
...

Problem: Vim9: Internal error when invoking closure in legacy context.
Solution: Give a mor...

Problem: MS-Windows: test sometimes runs into existing swap file.
Solution: Use a different...

Problem: Compiler warns for unused variable without the +textprop feature.
(John ...

Problem: Vim9: error for constant list size is only given at runtime.
Solution: Give the er...

Problem: Vim9: range without a command is not compiled.
Solution: Add the ISN_EXECRANGE byt...

Problem: Vim9: valgrind reports spurious problems for a test.
Solution: Move the test to th...

Problem: Some unused assignments and ugly code in xxd.
Solution: Leave out assignments. Us...

Problem: MS-Windows: No error message if vimgrep pattern is not matching.
Solution: Give an...

Problem: Cannot use Vim9 lambda for 'tagfunc'.
Solution: Make it work, add more tests. (Yeg...

Problem: Vim9: memory leak when compiling :elseif fails.
Solution: Cleanup ppconst.

Problem: Vim9: backtick expression expanded for :global.
Solution: Check the following comm...

Problem: Vim9: backtick expression expanded when not desired.
Solution: Only expand a backt...

Problem: Vim9: test fails with different error.
Solution: Correct the error number.

Problem: Vim9: constant expression of elseif not recognized.
Solution: Set instruction coun...

Problem: Text property highlighting is used on Tab.
Solution: Only set in_linebreak when no...

Problem: Cannot pass a lambda name to function() or funcref(). (Yegappan
Lakshman...

Problem: Vim9: cannot use a list declaration in a :def function.
Solution: Make it work.

Problem: Most people call F# "fsharp" and not "fs".
Solution: Rename filetype "fs" to "fsha...

Problem: First key in dict is seen as curly expression and fails.
Solution: Ignore failure ...

Problem: Vim9: invalid LHS is not possible.
Solution: Remove unreachable error message.

Problem: Text property highlighting continues over breakindent.
Solution: Stop before the e...

Problem: The +title feature adds a lot of #ifdef but little code.
Solution: Graduate the +t...

Problem: Match highlighting continues over breakindent.
Solution: Stop before the end colum...

Problem: Cannot drag a popup without a border.
Solution: Add the "dragall" option. (closes ...

Problem: Vim9: error for invalid assignment when skipping.
Solution: Do not check white spa...

Problem: Confusing error for missing key.
Solution: Use the actualy key for the error. (clo...

Problem: Cannot use quotes in the count of an Ex command.
Solution: Add getdigits_quoted()....

Problem: Coverity warns for possibly using a NULL pointer.
Solution: Check for NULL and giv...

Problem: Vim9: cannot use :func inside a :def function.
Solution: Make it work.

Problem: Build failure with small features.
Solution: Add #ifdef. (Dominique Pellé)

Problem: Vim9: "filter #pat# cmd" does not work.
Solution: Do not see #pat# as a comment.

Problem: ex_let_one() is too long.
Solution: Split into multiple functions.

Problem: The window title is not updated when dragging the scrollbar.
Solution: Call maketi...

Problem: Blockwise insert does not handle autoindent properly when tab is
inserte...

Problem: Filetype detection often mixes up Forth and F#.
Solution: Add a function to inspec...

Problem: Visual studio project files are not recognized.
Solution: Use the xml file type. (...

Problem: Blockwise insert does not handle autoindent properly.
Solution: Adjust text column...

Problem: Vim9: cannot use in :...do commands.
Solution: Add EX_EXPAND to the commands. (cl...

Problem: Vim9: assigning to a script variable drops the required type.
Solution: Lookup the...

Problem: Cannot drag popup window after click on a status line. (Sergey
Vlasov)
S...

Problem: Repeated code in xxd.
Solution: Change exit_on_ferror() to getc_or_die(). (closes ...