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linux:fedora_37 [2022/11/28 08:23] jansenlinux:fedora_37 [2022/12/09 12:48] (current) jansen
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 ====== Fedora 37 announcement, news and known issues ====== ====== Fedora 37 announcement, news and known issues ======
- 
-WORK IN PROGRESS 
  
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-==== New in F35, or in our Fedora setup: ====+==== New in F37, or in our Fedora setup: ====
   * Gnome 43 (see below for details)   * Gnome 43 (see below for details)
     * Note: Gnome versions used to be 3.38 etc, now the ''3.'' is dropped, so Gnome 43.      * Note: Gnome versions used to be 3.38 etc, now the ''3.'' is dropped, so Gnome 43. 
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   * CLANG /LLVM compilers are now at version 15. If necessary, compatibility packages of older versions can be added.   * CLANG /LLVM compilers are now at version 15. If necessary, compatibility packages of older versions can be added.
   * LibreOffice has been upgraded to version 7.4 with lots of improvements and new features. See [[https://wiki.documentfoundation.org/ReleaseNotes/7.4|Release notes]]   * LibreOffice has been upgraded to version 7.4 with lots of improvements and new features. See [[https://wiki.documentfoundation.org/ReleaseNotes/7.4|Release notes]]
-  * Fedora has ''earlyOOM'' enabled since Fedora 33, a background process that monitors for Out-of-Memory conditions, and attempts to kill the offending processes before the system comes to a grinding halt. Hopefully, this will mean there will be less system crashes (out-of-memory is one of the biggest reasons for Linux desktop crashes nowadays) 
   * Removed software:   * Removed software:
     * Several compatibility libraries were dropped. These were libraries to run programs built with very old versions of the GNU compilers (gcc 3.3, 3.4 and 4.1). If you still have binaries from > 10 years ago, recompiling might be advisable.     * Several compatibility libraries were dropped. These were libraries to run programs built with very old versions of the GNU compilers (gcc 3.3, 3.4 and 4.1). If you still have binaries from > 10 years ago, recompiling might be advisable.
     * Also, all compatibility with 32-bit executables was dropped. Not surprising, since the last 32-bit machines were bought by our institute in 2006. Known fatalities: ''acroread'', ''supermongo''     * Also, all compatibility with 32-bit executables was dropped. Not surprising, since the last 32-bit machines were bought by our institute in 2006. Known fatalities: ''acroread'', ''supermongo''
-    Due to the removal of some of these very old compatibility libraries, Adobe Reader (acroread) will no longer work; please use a native Linux pdf viewer, such as ''atril'' or ''evince''+      Please use a native Linux pdf viewer, such as ''atril'' or ''evince'' as a replacement for ''acroread''. 
-    * ''hdfview'' stopped working in Fedora 31; there are many other programs available that can work with HDF5 files, e.g. ''R'', ''vitables'' or ''veusz'' +      * A workaround for (ancient) ''supermongo'' exists but is not installed by default. If you use this softwareplease contact us and we can make the workaround available on your desktop. 
-    * TeX package ''psfig'', which has been obsolete for a long time, has now been removed. Converting documents to newer packages such as ''graphics'' or ''graphicx'' is recommended, and is usually easy. +    * TeX package ''psfig'', which has been obsolete for a long time, has recently been removed. Converting documents to newer packages such as ''graphics'' or ''graphicx'' is recommended, and is usually easy.
-    * Several media players that had not seen updates for a long time, have become incompatible with new versions of some of the support tools and libraries. We have removed: +
-      * <del>mplayer / mencoder</del> (fixed) +
-      * xine-ui +
-      * banshee +
-      * <del>kdenlive</del> (fixed) +
-  * Renamed/replaced software +
-    * Python module ''asciitable'' is now (already since quite some time) part of ''astropy'', at ''astropy.io.ascii'' (see [[http://cxc.harvard.edu/contrib/asciitable/]]) \\ Similarly, ''pyfits'' is now ''astro.io.fits''+
   * Java is now available in several versions: The last freely obtainable Oracle Java 8.x release; OpenJDK 8, OpenJDK 11, OpenJDK 17 and OpenJDK latest (currently 19).   * Java is now available in several versions: The last freely obtainable Oracle Java 8.x release; OpenJDK 8, OpenJDK 11, OpenJDK 17 and OpenJDK latest (currently 19).
-  * A workaround for (ancient) ''supermongo'' exists but is not installed by default. If you use this software, please contact us and we can make the workaround available on your desktop. +
-  * The QT library has been upgraded to version 6; version 5 is still present for compatibility but the previos compatibility libraries for QT4 have been dropped +
-      * this includes the matplotlib qt4 backend+
  
 ==== Known issues in Fedora 37 ==== ==== Known issues in Fedora 37 ====
   * VNC issues: Desktop environments that require hardware accelleration (3D desktop effects) are often too heavy to be used inside a virtual desktop (VNC, X2GO). See [[VNC desktop issues]] for details and workarounds.   * VNC issues: Desktop environments that require hardware accelleration (3D desktop effects) are often too heavy to be used inside a virtual desktop (VNC, X2GO). See [[VNC desktop issues]] for details and workarounds.
   * X2GO has problems with some desktop environments that try to use "modern" features that are not there on the virtual desktop. For the moment, please use the ''XFCE'' or ''LXDE'' desktops that are known to work.   * X2GO has problems with some desktop environments that try to use "modern" features that are not there on the virtual desktop. For the moment, please use the ''XFCE'' or ''LXDE'' desktops that are known to work.
 +  * An alternative to VNC and X2GO is [[XPRA]], a tool that can forward a single window or an entire desktop to a remote display.
   * Gnome doesn't display //notification area// aka //system tray// icons any more by default. The fix is, to enable  the ''appindicator'' extension: open ''gnome-extentions-app'' (''Applications - Extensions'' in the menu) to do that. After that, the icons such as status icons of dropbox, zoom etc, will be in your top panel.   * Gnome doesn't display //notification area// aka //system tray// icons any more by default. The fix is, to enable  the ''appindicator'' extension: open ''gnome-extentions-app'' (''Applications - Extensions'' in the menu) to do that. After that, the icons such as status icons of dropbox, zoom etc, will be in your top panel.
     * Note: in the previous OS versions, there was an extension named ''topicons plus''. If you had that enabled, you will have to enable the new extension now, and possibly remove references to the no longer existing extension.     * Note: in the previous OS versions, there was an extension named ''topicons plus''. If you had that enabled, you will have to enable the new extension now, and possibly remove references to the no longer existing extension.
-  * The ''clipit'' clipboard app that is a default part of Gnome, Cinnamon and MATE desktops, sometimes hangs, which blocks all cut, copy and paste actions. Exit the app by right-clicking on the icon (which looks like a clipboard), and choose the quit action. If this happens a lot to you, you might want to disable the app in your startup applications preferences. The app is only needed to maintain a clipboard history; without it, a single cut/copy and paste is still possible. TO BE RE-CHECKED IN CURRENT RELEASE!!! +  * The ''clipit'' clipboard app that is a default part of Gnome, Cinnamon and MATE desktops, sometimes hangs, which blocks all cut, copy and paste actions. Exit the app by right-clicking on the icon (which looks like a clipboard), and choose the quit action. If this happens a lot to you, you might want to disable the app in your startup applications preferences. The app is only needed to maintain a clipboard history; without it, a single cut/copy and paste is still possible.  
-  * Workarounds are in place for some software that was built with older versions of CFITSIO (GILDAS) and/or older GFortran (StarLink). When using these programs from within other programs, this workaround may be bypassed (eg, GILDAS software linked from within CASA). If you run into that issue, let us know so we can provide you with the necessary workaround. Eventually these issues are expected to be solved when new versions of these software packages are released or recompiled using current libraries. +  * Workarounds are in place for some software that was built with older versions of CFITSIO (GILDAS) and/or older GFortran (StarLink). When using these programs from within other programs, this workaround may be bypassed (eg, GILDAS software linked from within CASA). If you run into that issue, let us know so we can provide you with the necessary workaround. Eventually these issues are expected to be solved when new versions of these software packages are released or recompiled using current libraries. GILDAS also has a workaround to use python 3.10 in stead of the system default 3.11with which it fails to compile.
-  * Some reports that the screensaver on the Plasma (KDE) desktop, sometimes refuses to unlock the screenTo be more precisewhen you type your password to unlock, nothing appears on screenWhat usually works is to click the icon "virtual keyboard" and enter your password by clicking the characters on screen.  TO BE RE-CHECKED IN CURRENT RELEASE!!!+
   * Some theme libraries from earlier releases are no longer present. If you get errors when starting graphical applications such as: <code>   * Some theme libraries from earlier releases are no longer present. If you get errors when starting graphical applications such as: <code>
    Gtk-Message: Failed to load module "colorreload-gtk-module"    Gtk-Message: Failed to load module "colorreload-gtk-module"
-</code>then go to the settings controlling your desktop look & feel and select another theme+</code>then go to the settings controlling your desktop look & feel and select another theme instead of the one that uses theme libraries that are no longer present.
  
 ==== Some general observations and tips ==== ==== Some general observations and tips ====
linux/fedora_37.1669623821.txt.gz · Last modified: by jansen