Problem: Colors test fails in the GUI.
Solution: Reset g:terminal_ansi_colors.

Problem: Colors in terminal window are not 100% correct.
Solution: Use g:terminal_ansi_colo...

Problem: It is not possible to manipulate autocommands.
Solution: Add functions to add, get...

Problem: When 'shortmess' contains 'A' loading a session may still warn for
an ex...

Problem: Accessing freed memory when line is flushed.
Solution: Make a copy of the pattern ...

Problem: No error if engine selection atom is not at the start.
Solution: Give an error. (C...

Problem: Memory access error when substitute expression changes window.
Solution: Disallow ...

Problem: Coverity complains about not restoring a saved value.
Solution: Restore value befo...

Problem: Recursive command line loop may cause a crash.
Solution: Limit recursion of getcmd...

Problem: ":so" command may read after end of buffer.
Solution: Compute length of text prope...

Problem: Vim9: type error for list unpack mentions argument.
Solution: Mention variable. (c...

Problem: Vim9: compilation fails when using dict member when skipping.
Solution: Do not gen...

Problem: Vim9: interpolated string seen as range.
Solution: Recognize an interpolated strin...

Problem: "eval 123" gives an error, "eval 'abc'" does not.
Solution: Also give an error whe...

Problem: Changing text in Visual mode may cause invalid memory access.
Solution: Check the ...

Problem: Reading past end of the line when C-indenting.
Solution: Check for NUL.

Problem: MS-Windows GUI: mouse event test sometimes fails.
Solution: Ignore one move event ...

Problem: MS-Windows GUI: mouse event test gets extra event.
Solution: Ignore one move event.

Problem: GUI: testing mouse move event depends on screen cell size.
Solution: Multiply the ...

Problem: MS-Windows GUI: mouse event test is flaky.
Solution: Add a short delay after gener...

Problem: Expanding path with "/**" may overrun end of buffer.
Solution: Use vim_snprintf().

Problem: Files show up in git status.
Solution: Adjust the list of ignored files. Clean up...

Problem: Build error with a certain combination of features.
Solution: Adjust #if. (John Ma...

Problem: Text properties that cross line boundary are not correctly updated
for a...

Problem: Using NULL regexp program.
Solution: Check for regexp program becoming NULL in mor...

Problem: A couple conditions are always true.
Solution: Remove the conditions. (Goc Dundar,...

Problem: Text properties in a wrong position after a block change.
Solution: Adjust the pro...

Problem: Reading past end of line with "gf" in Visual block mode.
Solution: Do not include ...

Problem: Text property in wrong position after auto-indent.
Solution: Adjust text property ...

Problem: Inserting line breaks text property spanning more then one line.
Solution: Check T...

Problem: With 'smartindent' inserting '}' after completion goes wrong.
Solution: Check the ...

Problem: GUI test will fail if color scheme changes.
Solution: Reduce the test for now.

Problem: Smart indenting done when not enabled.
Solution: Check option values before settin...

Problem: Text properties position wrong after shifting text.
Solution: Adjust the text prop...

Problem: Vim9: some code not covered by tests.
Solution: Add a few more test cases. Fix do...

Problem: Cannot use Perl heredoc in nested :def function. (Virginia
Senioria)
Sol...

Problem: Text properties not adjusted when accepting spell suggestion.
Solution: Adjust tex...

Problem: Vim9: some code not covered by tests.
Solution: Add a few more test cases. Remove...

Problem: Inconsistent use of white space.
Solution: Use Tabs and Spaces consistently.

Problem: Text properties are wrong after "cc". (Axel Forsman)
Solution: Pass the deleted by...

Problem: Changing 'switchbuf' may have no effect.
Solution: Handle 'switchbuf' in didset_st...

Problem: Error when setting 'filetype' in help file again.
Solution: Deal with text propert...

Problem: '[ and '] marks may be wrong after undo.
Solution: Adjust the '[ and '] marks if n...

Problem: Some code is never used.
Solution: Remove dead code. Add a few more test cases.

Problem: matchfuzzypos() with "matchseq" does not have all positions.
Solution: Also add a ...

Problem: Crash when matching buffer with invalid pattern.
Solution: Check for NULL regprog.

Problem: No test for what 8.2.4931 fixes.
Solution: Add a test that triggers a valgrind error.

Problem: MS-Windows: mouse coordinates for scroll event are wrong.
Solution: Convert coordi...

Problem: With 'foldmethod' "indent" some lines are not included in the
fold. (Ole...

Problem: String interpolation fails when not evaluating.
Solution: Skip the expression when...

Problem: A few more capitalization mistakes in error messages.
Solution: Adjust capitalizat...

Problem: Not easy to filter the output of maplist().
Solution: Add mode_bits to the diction...

Problem: Crash with sequence of Perl commands.
Solution: Move PUTBACK to another line. (clo...

Problem: Interpolated string expression requires escaping.
Solution: Do not require escapin...

Problem: Off-by-one error in in statusline item.
Solution: Subtrace one less. (closes #1039...

Problem: Various white space and cosmetic mistakes.
Solution: Change spaces to tabs, improv...

Problem: Return type of remove() incorrect when using three arguments.
Solution: Use first ...

Problem: #ifdef for crypt feature around too many lines.
Solution: Move code outside of #if...

Problem: Trailing backslash may cause reading past end of line.
Solution: Check for NUL aft...

Problem: maparg() may return a string that cannot be reused.
Solution: use msg_outtrans_spe...

Problem: Test checks for terminal feature unnecessarily.
Solution: Remove CheckRunVimInTerm...

Problem: Mouse test fails on MS-Windows.
Solution: Set 'mousemodel' to "extend".

Problem: Spell test fails because of new illegal byte check.
Solution: Remove the test.

Problem: MS-Windows GUI: unused variables.
Solution: Delete the variables. (John Marriott)

Problem: Can add invalid bytes with :spellgood.
Solution: Check for a valid word string.

Problem: Conceal character from matchadd() displayed too many times.
Solution: Check the sy...

Problem: Fuzzy expansion of option names is not right.
Solution: Pass the fuzzy flag down t...

Problem: Mouse in Insert mode test fails.
Solution: Fix the text and check relevant positions.

Problem: Sometimes the cursor is in the wrong position.
Solution: When the cursor moved to ...

Problem: String interpolation in :def function may fail.
Solution: Do not terminate the exp...

Problem: Popup_hide() does not always have effect.
Solution: Add the POPF_HIDDEN_FORCE flag...

Problem: Using execute() to define a lambda doesn't work. (Ernie Rael)
Solution: Put the ge...

Problem: The mode #defines are not clearly named.
Solution: Prepend MODE_. Renumber them t...

Problem: Imperfect coding.
Solution: Make code nicer.

Problem: MODE_ enum entries names are too generic.
Solution: use CH_MODE_.

Problem: No text formatting for // comment after a statement.
Solution: format a comment wh...

Problem: Some users do not want a line comment always inserted.
Solution: Add the '/' flag ...

Problem: MS-Windows: cannot use transparent background.
Solution: Make transparent backgrou...

Problem: codecov includes MS-Windows install header file.
Solution: Ignore dosinst.h.

Problem: codecov includes MS-Windows install files.
Solution: Ignore dosinst.c and uninstal...

Problem: Cannot get the current cmdline completion type and position.
Solution: Add getcmdc...

Problem: Mouse wheel scrolling is inconsistent.
Solution: Use the MS-Winows system setting....

Problem: NULL pointer access when using invalid pattern.
Solution: Check for failed regexp ...

Problem: Vim9 expression test fails without the job feature.
Solution: Add a check for the ...

Problem: With latin1 encoding CTRL-W might go before the start of the
command lin...

Problem: Coverity complains about pointer usage.
Solution: Move code for increment/decerment.