---
layout: post
title:  "GNU Octave 6.2.0 Released"
date:   2021-02-20
categories: news release
---

Octave Version 6.2.0 has been released and is now available for [download][1].
An official [Windows binary installer][2] is also available.
For [macOS][3] see the installation instructions in the wiki.

This version is a bug fixing release:

## Improvements

- `bicgstab.m`, `cgs.m`: Fix typo in `"iter_min"` variable name ([bug #60071](https://savannah.gnu.org/bugs/?60071)).
- Compute with `NA` correctly on MIPS architecture ([bug #59830](https://savannah.gnu.org/bugs/?59830)).
- Fix lookup of `"caller"` stack frame ([bug #59847](https://savannah.gnu.org/bugs/?59847)).
- Also wait on `main_thread` after interpreter shuts down ([bug #56952](https://savannah.gnu.org/bugs/?56952)).
- Fix symbol lookup issue with anonymous functions ([bug #55989](https://savannah.gnu.org/bugs/?55989)).
- Line buffer input in `terminal_reader` class.
- `qr`: Error for dense `A` and `B` with three output arguments ([bug #58944](https://savannah.gnu.org/bugs/?58944)).
- `strmatch.m`: Always return column vector for Matlab compatibility ([bug #59917](https://savannah.gnu.org/bugs/?59917))
- Avoid crash when `evalin` global variables into existence in script ([bug #59937](https://savannah.gnu.org/bugs/?59937))
- Avoid crash on null statement list ([bug #59938](https://savannah.gnu.org/bugs/?59938)).
- Fix ignored output from user function in left side of assignment ([bug #59704](https://savannah.gnu.org/bugs/?59704)).
- Temporarily set lvalue list to null ([bug #59704](https://savannah.gnu.org/bugs/?59704)).
- `fminbnd.m`: do not ignore `"OutputFcn"` ([bug #59901](https://savannah.gnu.org/bugs/?59901)).
- `load-path.cc`: Reduce number of times `"canonicalize_file_name"` is called ([bug #59711](https://savannah.gnu.org/bugs/?59711)).
- `interpn.m`: Use `size_equal` for 10X speedup in cset 067b663529bb ([bug #59856](https://savannah.gnu.org/bugs/?59856)).
- `interpn.m`: Fix check for scattered point coordinates ([bug #59856](https://savannah.gnu.org/bugs/?59856)).
- Avoid `YYUSE` in Octave parser files (see [bug #59806](https://savannah.gnu.org/bugs/?59806)).
- `struct2hdl.m`: Set `"units"` property early.
- `load-path.cc`: Avoid copying string for loop variable.
- `pcg.m`: Return correct `FLAG` and correct `RELRES` output ([bug #59776](https://savannah.gnu.org/bugs/?59776)).
- Use static keyword on regexp pattern in `file_stat` ([bug #59706](https://savannah.gnu.org/bugs/?59706)).
- `stat`: Improve regular expression for UNC roots on Windows ([bug #59706](https://savannah.gnu.org/bugs/?59706)).
- `stat`: Use `"make_absolute"` instead of `"canonicalize_file_name"` on Windows ([bug #59706](https://savannah.gnu.org/bugs/?59706)).
- Improve `class_simple` function handle function lookup ([bug #59661](https://savannah.gnu.org/bugs/?59661)).
- `hdl2struct.m`: store hidden text properties ([bug #57241](https://savannah.gnu.org/bugs/?57241)).
- Mark script created with commands from history as modified.
- `replem.m`: Fix operations with sparse matrices ([bug #59705](https://savannah.gnu.org/bugs/?59705)).
- `ode_event_handler.m`: Fix mishandling of event edge types and multiple events ([bug #59709](https://savannah.gnu.org/bugs/?59709)).
- Increase size of dynamic variable `new_argv` by 1 to avoid indexing out of array.
- Fix incorrect results for set functions with `"legacy"` option ([bug #59708](https://savannah.gnu.org/bugs/?59708)).
- `dir.m`: Return folder (not including file) in field `"folder"` ([bug #59689](https://savannah.gnu.org/bugs/?59689)).
- Avoid memory leak with function handles ([bug #59659](https://savannah.gnu.org/bugs/?59659)).
- Avoid dispatch error if method argument is a function handle ([bug #59617](https://savannah.gnu.org/bugs/?59617)).
- Avoid crash due to accessing first element of empty list ([bug #59656](https://savannah.gnu.org/bugs/?59656)).
- Don't propagate prevailing `isargout` info through `mexCallMATLAB` ([bug #59597](https://savannah.gnu.org/bugs/?59597)).
- Show original error when failing to create a graphics object ([bug #59620](https://savannah.gnu.org/bugs/?59620)).
- Fix regression with superclass lookup in classdef constructors ([bug #59602](https://savannah.gnu.org/bugs/?59602)).
- Allow Octave class `execution_exception` to catch `std::exception` objects ([bug #59592](https://savannah.gnu.org/bugs/?59592)).



## GUI

- Fix restoring editor session after having closed all tabs ([bug #60051](https://savannah.gnu.org/bugs/?60051)).
- Maybe convert TAB to SPC in GUI terminal pasted text ([bug #59916](https://savannah.gnu.org/bugs/?59916)).
- Make bracketed paste mode work in GUI terminal.
- Fix regression in variable editor when printing without selection.
- Avoid gui when octave is launched in non-interactive mode ([bug #59628](https://savannah.gnu.org/bugs/?59628)).
- `file-editor-tab.cc` (dtor): do not delete `m_edit_area` ([bug #59628](https://savannah.gnu.org/bugs/?59628)).
- Fix error when restoring previous main window layout ([bug #59426](https://savannah.gnu.org/bugs/?59426)).
- Improve default sizes of gui dock widgets.
- Clean up constructing main window layout of the gui.
- Fix focus command window after command execution ([bug #59609](https://savannah.gnu.org/bugs/?59609)).
- Check object size before plotting from variable editor ([bug #56685](https://savannah.gnu.org/bugs/?56685)).
- `documentation.cc`: Include missing header ([bug #59553](https://savannah.gnu.org/bugs/?59553)).

## Build system / Tests

- Add default value to `OCTAVE_MIPS_NAN` configure macro for cross-compiling ([bug #59830](https://savannah.gnu.org/bugs/?59830)).
- tests: Function name should match file name ([bug #59704](https://savannah.gnu.org/bugs/?59704)).
- Avoid build errors with Qt4 ([bug #59813](https://savannah.gnu.org/bugs/?59813)).
- eigs.m: Make tests that depend on CHOLMOD conditional.
- tests: Make tests that depend on CXSparse conditional.
- build: Use `SPARSE_XCPPFLAGS` in `CPP_FLAGS` for libcorefcn ([bug #59806](https://savannah.gnu.org/bugs/?59806)).
- Add test case for [bug #59661](https://savannah.gnu.org/bugs/?59661).
- `hgsave.m`: Allow test to run with qt or gnuplot graphics toolkits ([bug #57241](https://savannah.gnu.org/bugs/?57241)).

## Documentation

- `embedded.cc`: Fix syntax error interpreter shutdown.
- Update Octave Project Developers copyright for the new year.
- Use the same comment style for copyright headers in .m files and shell scripts.

The above list was generated using the following command and some manual
post-processing and grouping:

{% highlight bash %}
hg log -r "release-6-1-0:release-6-2-0" -b stable \
| grep "summary:" | nl | sort -rn | cut -f 2- \
| sed 's/summary:\s*/- /' \
| sed 's/\(bug #\)\([0-9]*\)/[\1\2](https:\/\/savannah.gnu.org\/bugs\/?\2)/' \
| sed 's/\(patch #\)\([0-9]*\)/[\1\2](https:\/\/savannah.gnu.org\/patch\/?\2)/'
{% endhighlight %}

 [1]: {{ "download.html" | absolute_url }}
 [2]: https://ftpmirror.gnu.org/octave/windows
 [3]: {{ site.wiki_url }}/Octave_for_macOS