Editing Bug Fix List - 4.2.0 Release

The following bugs must be fixed prior to the next release.  See also the [[4.2.0 Release Checklist]] .

Sign up for a bug by filling in the Owner field so people won't duplicate each other's work.

Use <pre><strike> ... </strike></pre> to cross an item off the list when it has been done.  Add <pre>WON'T FIX</pre> and the strike through tag for any bugs that will not be fixed in this round.

== Bugs marked as Crash ==

(Some of these crashes seem to appear only on a few systems.  Please check which your system(s) can reproduce.)

* Owner: ??? {{bug|45366}} Two objects not cleaning dynamically allocated widgets leading to crash at exit -- patch supplied

* Owner: ??? {{bug|47837}} Segmentation fault with missing warning state "all" -- patch supplied

* Owner: ??? {{bug|47927}} Ctrl+C crashes Octave on MacOS

* Owner: ??? {{bug|47914}} segfault with OpenGL patches and address sanitizer

* Owner: ??? {{bug|47650}} octave crashed while plotting many functions

* Owner: Lachlan (review needed) {{bug|46501}} Crash running uimenu code under Qt

* Owner: ??? {{bug|46349}} dblquad/triplequad - periodic functions over the whole period [hang, not crash]

* Owner: ??? {{bug|46315}} Assertion Failed - profiler crash on every 2nd time execution halts

* Owner: ??? {{bug|45863}} Octave crashes when clicking on polar plot using OpenGL

* <strike>Owner: ??? {{bug|44823}} Segfault when using HD Graphics 6000 on Fedora 21</strike> -- WON'T FIX

=== Windows ===

* Owner: ??? {{bug|39000}} Can't override BLAS XERBLA handler on Windows

* Owner: ??? {{bug|44470}} Pause does not detect Ctrl+C keystroke in Windows GUI

* Owner: ??? {{bug|47840}} exec segfaults on Windows

* Owner: ??? {{bug|45860}} Many stacked uipanels crashes the qt gui in Windows 8

* Owner: ??? {{bug|46476}} Octave 4.0.0 crashes on plot

* Owner: ??? {{bug|45297}} GUI crash when calling scatter (x, y, [], color) with Windows 8.1 (Anyone with Win 8.1 to reproduce this?  If not, skip it.)

* Owner: ??? {{bug|47445}} Settng colours for too many plots causes Segmentation violation (Anyone with Win 8 to reproduce this?  If not, skip it.)

* Owner: ??? {{bug|45634}} Octave 4.0.0 GUI crashes on first-time use

* Owner: ??? {{bug|45604}} Windows XP Octave 4.0.0 plot crashes

== Bugs marked Configuration and Build System ==

* <strike>Owner: ??? {{bug|47971}} "make clean; make" fails on missing oct-conf-post.h</strike>

* <strike>Owner: ??? {{bug|47576}} mxe-octave: octave-4.0.1-installer.exe (32bit) does not install on Windows 10</strike> -- ready for test

* Owner: ??? {{bug|41574}} Current build approach causes mkoctfile to link to too many libraries on the Mac -- patch posted

* <strike>Owner: ??? {{bug|47858}} Building with hdf5-1.10 fails due to changed variable type -- patch posted</strike>

* Owner: ??? {{bug|48319}} Development source build failure related to LONG_DOUBLE_ROUNDING in oct-inttypes.cc -- patch posted

* <strike>Owner: ??? {{bug|46063}} Build system re-makes certain files 2 or even 3 times</strike>

* Owner: ??? {{bug|46758}} mxe-octave: octave-logo.ico is cropped not scaled due to rsvg-convert bug

* Owner: ??? {{bug|45646}} files in source distribution should not be deleted on "clean" or "distclean" -- is marked as "minor", but sounds important for a release

* Owner: ??? {{bug|44979}} check for osmesa is done at runtime and not configure -- Someone should check if this is easy

* Owner: ??? {{bug|48139}} New warnings about deprecated functions when building liboctave -- minor but should be easy to fix

* Owner: ??? {{bug|45399}} build failure with multiple flex source files using gcc Link Time Optimization (LTO) -- patch submitted. Marked "minor", but easy fix.

* Owner: ??? {{bug|47617}} mxe-octave: instrument-control package not installed correctly in official release -- this looks simple; is it?

== Bugs with severity >= 4 ==
* Owner: ??? {{bug|44916}} Printing Qt-drawn figures produces faulty files
* Owner: ??? {{bug|37672}} CTRL+C interrupt processing causes segfaults
* Owner: ??? {{bug|47400}} panic on Ctrl+c with multithreaded ATLAS or OpenBLAS
* Owner: ??? {{bug|41567}} error in qr -- patch posted
* <strike> Owner: ??? {{bug|43098}} "if (array)" should raise a warning, and give the same result for dense and sparse -- patch posted </strike>
* Owner: ??? {{bug|47676}} Cannot apply computed assignment to a variable defined after the code was parsed (e.g., in a script) -- workaround patch posted
* Owner: ??? {{bug|39000}} Can't override BLAS XERBLA handler on Windows
* Owner: ??? {{bug|42469}} GUI crashes on international character after autocompletion -- upstream scintilla bug.  Can we work around it?
* Owner: ??? {{bug|44335}} Use consistent wording for "contribute" vs "donate" -- patch posted
* Owner: ??? {{bug|46330}} segfault with matrices containing Inf & NaN -- patch posted
* Owner: ??? {{bug|47543}} segfault with warnings disabled in subfunction when all warnings disabled globally -- patch posted

== Bugs marked as regressions ==
* owner (???) {{bug|41574}} Current build approach causes mkoctfile to link to too many libraries on the Mac -- patch posted

* owner (???) {{bug|44498}} isvector: Always returns true for objects from user defined classes -- patch submitted

* <strike>owner (???) {{bug|45507}} acos returns different results on big input values on gcc 4.8</strike>

* owner (???) {{bug|43559}} "hold on" causes "plot" to use incorrect series colouring -- patch posted

* <strike>owner (???) {{bug|46522}} clear all does not fix shadowed "help"</strike> -- (Three of us can no longer reproduce this.)

* owner (???) {{bug|47337}} [Windows] fltk toolkt: infinite loop "GL2PS warning: Unknown token in buffer" when printing -- infinite loop is almost as bad as a crash

* owner (???) {{bug|48296}} demo hangs with subplot and pager -- patch posted

* owner (???) {{bug|47756}} [ode suit] integrate_adaptive fails with vertical tspan -- patch posted

* owner (???) {{bug|44152}} print("plot_file.pdf") generates warning message -- trivial fix

* <strike>owner (???) {{bug|47571}} Problem with umlaut in command line</strike> -- I think no code change is needed; just compiling Windows binary of 4.2.0 in a UTF-8 environment

* owner (???) {{bug|46645}} Can't load struct variables that use arbitrary fieldnames -- may be too hard

* owner (???) {{bug|36743}} Octave:language-extension warning warns about Octave's own files -- old bug, but the inability to warn of automatic broadcast is a regression.

== Bugs marked GUI ==

== Bugs related to Windows OS ==
* Owner: ??? {{bug|42036}} Files and directories with non-ASCII characters not handled correctly on Windows
* Owner: ??? {{bug|43099}} utf-8 files: editor, command windows issues, workspace pane shows correctly

== Other Bugs with Patches ==

=== Unreviewed patches that seem (to LA) worth reviewing ===
* Owner: ??? {{bug|37613}} Octave precision/accuracy is much lower for quadgk
* Owner: ??? {{bug|47756}} [ode suit] integrate_adaptive fails with vertical tspan -- One-line patch.  Who knows the ode suite?
* Owner: ??? {{bug|46008}} Help function fails to return help header for subfunctions and nested functions
* Owner: ??? {{bug|36646}} Statistics tests produce errors and warnings when var(sample) == 0  -- patch only fixes some functions, but better than none.
* Owner: ??? {{bug|46852}} smarter diagnostic message when a user variable shadows a function definition
* Owner: ??? {{bug|46912}} qr not working as described && related {{bug|41567}} qr fails with two matrix inputs
* Owner: ??? {{bug|46136}} error messages for stacks of anonymous functions not informative enough
* Owner: ??? {{bug|45972}} Anonymous function handles with varargin are not correctly saved.
* Owner: ??? {{bug|45969}} Inner scopes of nested anonymous function definitions are not saved.
* Owner: ??? {{bug|45903}} pkg rebuild -global fails if package directory does not exist
* Owner: ??? {{bug|42561}} gnuplot error on "demo trimesh"
* Owner: ??? {{bug|41742}} The rand function occasionally returns unexpected results.
* Owner: ??? {{bug|40904}} WHAT function should return all available results for MATLAB compatibility
* Owner: Lachlan {{bug|39036}} line(X, Y) draws no lines
* Owner: Lachlan {{bug|39014}} Wrong determinant for some (large) matrices
* Owner: ??? {{bug|38483}} qp() fails with empty inequality constraints
* Owner: ??? {{bug|46236}} GUI Workspace - use same column headings as Matlab

=== Feature requests ===

* Owner: ??? {{bug|45497}} missing function: repelem && dependent patch {{bug|46385}} Can't Repmat Structure Arrays  -- The second bug could be fixed without the first, but the proposed patch uses repelem.

* Owner: Lachlan {{bug|41215}} Request for a "pkg test" feature && related {{bug|41298}} pkg install: automatically extract %!tests and install both extracted and fixed test files

* Owner: ??? {{bug|47824}} No Matlab-compatible corrcoef

* Owner: ??? {{bug|36372}} Improved ranks.m included

=== Lachlan's patches -- someone impartial can triage these :) ===
* Owner: ??? {{bug|46458}} tab completion does not work for the elements of a struct when that struct is a cell of a cell array
* Owner: ??? {{bug|48317}} tab autocomplete doesn't complete local functions
* Owner: ??? {{bug|47950}} glob and dir functions are unable to escape square bracket characters in Windows
* Owner: ??? {{bug|47414}} Folding editor text breaks cursor movement
* Owner: ??? {{bug|46859}} floating point error in range results in non-integer value -- patch warns of error, rather than fixing it.
* Owner: ??? {{bug|48315}} cov.m: Incorrect result
* Owner: ??? {{bug|46660}} object array writing into class member alters another class member
* Owner: ??? {{bug|48044}} Searching for markers does not wrap
* Owner: ??? {{bug|48292}} dbstop marker obscures bookmarks
* Owner: ??? {{bug|47173}} mtimes allows arguments with >= 3 dimensions -- a patch deep in core, so it needs careful review.
* Owner: ??? {{bug|39349}} funny output from help .'
* Owner: ??? {{bug|46632}} Breakpoints and program counter arrow aren't cleared in some cases
* Owner: ??? {{bug|43925}} isscalar behaves incorrectly for some user-defined classes

=== Other bug reports tagged as "patch submitted"  ===
* Owner: ??? {{bug|40095}} Clearvar function not implemented (LA vote: unsure)
* Owner: ??? {{bug|44336}} warning ("error", "all") changes "matlab-compatible" warnings if there's an "all" status before -- 
* Owner: ??? {{bug|31626}} lsode: patch to make Jacobian types of dlsode.f accessible
* Owner: ??? {{bug|32756}} Ignore unknown datatypes in HDF5 files but load remainder of file correctly
* Owner: ??? {{bug|32839}} pkg build/install does not work with directories
* Owner: ??? {{bug|36015}} unexpected sqp error
* Owner: ??? {{bug|41028}} warning off shouldn't affect lastwarn -- (LA vote: not necessary)
* Owner: ??? {{bug|42671}} [PATCH] corr() does not have p-values output, returns 1.0 with one observation. -- (LA note to self: keep reading.)
* Owner: ??? {{bug|44727}} editor: breakpoints are confused after file is changed -- will be fixed by patch for {{bug|46332}}.
* Owner: ??? {{bug|45542}} griddatan unable to perform 4-dimensional interpolation. -- diff requested
* Owner: ??? {{bug|32008}} sqp: Don't set upper/lower bound unless specified
* Owner: ??? {{bug|47800}} gammainc(x,a,"upper") rounds down to zero if output is below eps

=== Seem not necessary / ready for 4.2.0 ===

* Owner: ??? {{bug|38323}} printing image to svg uses same embedded png filename with gnuplot 4.6 -- in progress
* Owner: ??? {{bug|42705}} Commands continue to be sent to the terminal if breakpoint hit -- patch not ready
* Owner: ??? {{bug|40319}} deleting script file in a function/script doesn't update the symbol table (LA vote: patch seems not ready)
* Owner: ??? {{bug|48095}} GUI configuration files are undocumented (LA vote: not necessary)
* Owner: ??? {{bug|41428}} Add an &~ binary operator (LA vote: note necessary)
* Owner: ??? {{bug|47919}} Error messages for mismatched struct fields is not informative (LA vote: not necessary)
* Owner: ??? {{bug|41088}} add a splash screen (loading is non-instantaneous) (LA vote: not necessary)
* Owner: ??? {{bug|41818}} Fixed up "find" function with templates and fourth parameter (LA vote: not necessary)

== Other Bugs ==



== Potentially excluded bugs ==
These bugs have been provisionally decided not to be blockers for 4.2.0.  That doesn't mean they can't be fixed, if someone wants to fix them.

=== Bugs marked as Crash ===

=== Other bugs marked as crash in Savannah ===
* Owner: ??? {{bug|47958}} GUI freezes when starting debug with a partly drawn Qt figure (LA vote: unsure)
* Owner: ??? {{bug|42118}} COW memory issues when extracting small slices from large arrays (LA vote: unsure)
* Owner: ??? {{bug|40044}} *** glibc detected *** gnuplot: double free or corruption (fasttop): 0x08d72878 *** (LA vote: not necessary)
* Owner: ??? {{bug|40608}} MinGW: crashes with JIT (LA vote: not necessary)
* Owner: ??? {{bug|41213}} JIT segfaults on non-x86 processors (LA vote: not necessary)
* Owner: ??? {{bug|42429}} @ftp/dir crashes Octave (LA vote: not necessary)
* Owner: ??? {{bug|44478}} test __osmesa_print__.cc-tst crashes with Nvidia drivers (LA vote: not necessary)
* Owner: ??? {{bug|46192}} JIT compiler fails in jit.tst and aborts Octave (LA vote: not necessary)
* Owner: ??? {{bug|46926}} saveas() crashes Octave  (LA vote: not necessary)
* Owner: ??? {{bug|47620}} segfault when using eval and anoymous function (LA vote: not necessary)
* Owner: ??? {{bug|47827}} "Ctrl+1" shortcut crashes the GUI (LA vote: not necessary)
* Owner: ??? {{bug|48078}} signal package: crash in remez with close frequency band values + differentiator (LA vote: not necessary)
* Owner: ??? {{bug|48219}} Crash at end of execution of openEMS script (LA vote: not necessary)
* Owner: ??? {{bug|48284}} Can't make the graphics work on new installation
* Owner: ??? {{bug|48323}} interval package: segmentation fault in qr function (LA vote: not necessary)
* Owner: ??? {{bug|41652}} Octave builds but crashes when trying to use gcj for java support (LA vote: not necessary)

=== Bugs marked configuration and build system in Savannah ===

'''The following three bugs are minor, but closely related and two go back to 2012'''
* Owner: ??? {{bug|35392}} /etc/octaverc (LA vote: not necessary, but desirable)
* Owner: ??? {{bug|36477}} use XDG dirs instead of HOME (LA vote: not necessary, but desirable)
* Owner: ??? {{bug|40444}} On Windows, config & history files etc. should go to %APPDATA% (LA vote: not necessary, but desirable)
* Owner: ??? {{bug|47886}} Do not link against libraries without OpenGL (LA vote: unsure)
* Owner: ??? {{bug|41027}} config.h is too generic (LA vote: up to JWE)
* Owner: ??? {{bug|38776}} Tests in private functions cannot be tested directly (LA vote: unnecessary)
* Owner: ??? {{bug|41298}} pkg install: automatically extract %!tests and install both extracted and fixed test files (LA vote: unnecessary; useful for development, not release)
* Owner: ??? {{bug|43298}} llvm libc++ 3.5 fails to resolve the pow(octave_int<int>, octave_Int<int>) function overload (LA vote: unnecessary; old compiler)
* Owner: ??? {{bug|43908}} Some OF packages won't install with 64-bit indexing Octave (unnecessary -- bugs are in Forge, not core)
* Owner: ??? {{bug|45082}} mxe native build fails at gmp (LA vote: unnecessary)
* Owner: ??? {{bug|45188}} MXE: problems installing different Octave versions side by side (LA vote: unnecessary)
* Owner: ??? {{bug|45578}} build failure due to no dependency on libgnu (LA vote: unnecessary)
* Owner: ??? {{bug|45644}} Build system distributes .cc files in include/octave directory (LA vote: relevant to release, but low priority)
* Owner: ??? {{bug|46863}} mxe-octave: build_packages.m not up to date (LA vote: not necessary)
* <strike>Owner: ??? {{bug|47817}} mxe-octave: error while building documentation of dev Octave (not necessary, as docs are pre-built)</strike>
* Owner: ??? {{bug|48172}} doc build fails with texi2dvi/texi2pdf errors on Ubuntu 14.04 (not necessary, as docs are pre-built)
* Owner: ??? {{bug|39446}} MXE-Octave: LAPACK build mixes MinGW and MSVC (LA vote: not necessary)
* Owner: ??? {{bug|40111}} Support runtime selection of Java version on Linux and Unix systems (LA vote: not necessary)
* Owner: ??? {{bug|40252}} Make GUI compatible with both Qt4 and Qt5 (LA vote: not necessary)
* Owner: ??? {{bug|41652}} Octave builds but crashes when trying to use gcj for java support (LA vote: not necessary)
* Owner: ??? {{bug|44359}} Save and restore user FFLAGS, add additional options to AM_FFLAGS (LA vote: not necessary)
* Owner: ??? {{bug|34301}} Can't compile oct files using gcc -fvisibility=hidden option (LA vote: not necessary)
* Owner: ??? {{bug|41061}} building with --enable-jit with libllvm 3.5 fails to compile (LA vote: not necessary)
* Owner: ??? {{bug|43343}} Associate .m files to open in Octave editor in macOS (LA vote: not necessary)
* Owner: ??? {{bug|47831}} mercurial build writes files to source tree doc/{interpreter,liboctave} (LA vote: not necessary)

=== Bugs marked as regression in Savannah ===
* owner (???) {{bug|46047}} Large number of axes ticks for big logarithmic plots (LA vote: unsure)
* owner (???) {{bug|43585}} rectangle wrong axis calculation (LA vote: unsure)
* owner (???) {{bug|38236}} invoking script in demo block to define variables causes errors (LA vote: not necessary)
* owner (???) {{bug|40333}} print with legend modifies axis position (LA vote: not necessary -- didn't block 4.0)
* owner (???) {{bug|44245}} need configurable warning when sprintf format contains integer code, but value is real number (LA vote: not necessary)
* owner (???) {{bug|44829}} Multiple legends not working anymore with plotyy (LA vote: not necessary)
* owner (???) {{bug|45494}} A recent change has broken hist (randn (10000, 1), 30); (LA vote: not necessary)
* owner (???) {{bug|45710}} grid minor and axis tight fail to plot all minor grid lines (LA vote: not necessary)
* owner (???) {{bug|45823}} Empty plot after figure command (FLTK only) (LA vote: not necessary)
* owner (???) {{bug|46011}} Can't warn of automatic broadcasting without triggering {{bug|36743}} (LA vote: not necessary)
* owner (???) {{bug|46496}} Problems with legend background and labels spacing (LA vote: not necessary)
* owner (???) {{bug|46516}} Qt plotting, plot overlay ignores plot order -- Windows only (LA vote: not necessary)
* owner (???) {{bug|47415}} out of memory negating a permutation matrix (LA vote: not necessary)
* owner (???) {{bug|47755}} Access to object arrays (LA vote: not necessary -- not sure it is a regression)
* owner (???) {{bug|44934}} classdef parser prints extra newline when failing to parse bad classdef file (LA vote: not necessary)