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{{languages|Gramps 4.0 Wiki Manual - What's new?}}
This section gives an overview of changes since Gramps version 3.4. These changes are also detailed later in this manual. Users of Gramps upgrading from version 3.4 are encouraged to review this section to be sure to take advantage of these new featureswhen they start using version 4.0.
= Before you upgrade =
{{man warn| Warning |Creating an archive alone to safeguard your data might not be appropriate before upgrading. In the unlikely event that Gramps 4.0 corrupts your database, it could also corrupt the archive. An export backup of your data as outlined in this section is recommended.}}
Before you upgrade, make sure your family tree data is secure. The best way to do this is:
# Start Gramps 3.4
# Open your family tree
# Export Back up the family tree to the ''gramps xml'' format or the ''gramps xml package'' format (which the ''gramps xml package'' includes your photographs and other media files associated with your family tree data). Export Backup your tree via menu {{man menu|Family Trees->Make Backup...}}.
# Close this family tree and repeat the above steps for any other family trees you have
# Keep the resulting file(s) in a safe place
After properly safeguarding your data, proceed to install Gramps 4.0. Use Using your operating system's regular installation process to do thiswill in most cases ensure that the new Gramps 4. It is also best 0 installation will not clash with your older version of Gramps. However, it may be safer to uninstall Gramps 3.4 before installing Gramps 4.0, or make sure you install Gramps 4.0 in a different location.This is always necessary if you are installing from the source code. For more information on installing Gramps 4.0, please see [[Download|Downloading the latest Gramps]]
After you install Gramps 4.0, you can open your existing family trees and continue working. In case of problems (e.g., after a complete system upgrade), use import the backup file(s) created above to recreate your family tree(s).
{{man warn| Warning |Once you open a family tree in a newer version of Gramps '''or''' using a newer operating system, you generally should not try to open that database using an older version again. As always, the ''gramps xml'' format is the format to use for the interchange of your data in such cases. There are tools to repair broken databases, but they are for expert users, so avoid needing them by following the steps above before you upgrade your OS or Gramps.}}
== New Look and Feel ==
Gramps now uses GTK 3 to create the interface, so you need to set a GTK theme with the GTK theme switcher that supports GTK 3. If Gramps looks ugly after installation, this is because you use an old GTK Theme. Try out some GTK 3 themes to see which one gives you a beautifull Gramps experience. See [http://gramps-project.org/2012/08/status-gtk-3-for-gramps-4-0/ status GTK 3 for Gramps 4.0].
== Data Model ==
There are no changes to the data model. An A .gramps xml file generated by Gramps 3.4 is identical to the one of generated by Gramps 4.0 See [[Database_Formats#Detailed_Changes]] for more details on internal database.
==Navigator modes==
[[Image:Viewing_mode_selection.png|left|thumb|300px|Category navigator mode]]
[[Image:Drop-Down.png|right|thumb|300px|Drop-Down navigator mode]]
[[Image:Expander.png|left|thumb|300px|Expander navigator mode]]
If there is more than one navigator mode installed, you can choose the navigator mode with the drop down.
The navigator modes are "Category", "Drop-Down" and "Expander".
{{-}} ==New exporterwizards, help and bug report dialogs== [[Image:ExportAssistantStart-40.png|left|thumb|300px|Export Assistant: Start screen]] [[Image:ExportAssistantChoose-40.png|right|thumb|300px|Export Assistant: Choose the output format screen]]
Exporter, Help and bug Bug report dialogs have been rewrittenaccording to Gtk3 migration.
[[File:EditPreferencesColors-40.png|right|thumb|350px|Color Preferences]]
A new section on Preferences dialog, which let you set the colors used for boxes in the graphical views. {{-}} === NarrativeWeb =Plugins changes ==
=== To Do Gramplets ===
[[Image:ToDoList-sidebar-gramplet-40.png|right|thumb|200px| To Do Gramplet]] Objects and the Dashboard now have a To Do gramplet, listing all the notes which have been indicated as with Note Type To Do. New ''To Do '' notes can be created directly from the gramplet. See [[Gramps_4.0_Wiki_Manual_-_Gramplets#To_Do_Gramplet|ToDo Gramplet]] for more details. {{-}}
== Views ==
* New columns on views (privaterecords)
=== Fan Charts ===
[[Image:ChartsViewFanChart-40.png|left|thumb|300px| Fan Chart]]
[[Image:ChartsViewDescendantFanChart-40.png|right|thumb|300px| Fan Chart]]
In the Charts category (Previously called the Ancestry category), you will see two new core Charts: Fan Chart and Descendant Fan. These are two Charts that give you a good overview of a family tree. The Fan charts shows the principal parents of every individual. The Descendant Fan shows you all children, all their families, and then so on to see the ''entire'' descendant tree.
The Fan Charts are powerfull, use the '''{{man button|Configure''' }} button in the toolbar to investigate some posibilities:
* colored filtering via filter sidebar
* Gradient coloring to give extra information
* Print to output (pdf, printer) from the toolbar
{{-}}
== Tools ==
= Under the hood changes =
== Python based install ==
Gramps has deprecated the use of autotools for installation, and now uses a python based installation. As a user you are advised to use a package installer to install Gramps. Those installing from source code can do some so now with the commands :
python setup.py build
python setup.py install
See the INSTALL and README file for details. This means that once you have installed gramps, you can use the code as a standard python module, eg:
from gramps.gen.lib.date import Date
to use the date computations as used by Gramps.
== Locales handling ==
See [[Internationalization]].
== Command Line Interface ==
= Further information =
