Changes between Version 61 and Version 223 of Download

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Download

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+[[PageOutline(2-3,Table of Contents)]]
+
 = Download =
 
-== Overview ==
-
-|| ||= OS Independent =||= [https://www.java.com/en/download/faq/java_webstart.xml Web Start] =||= Windows =||= Mac OS X =||= Ubuntu, … =||= openSUSE =||
-||= **tested** [[Version(tested)]] =|| **[/josm-tested.jar jar ]** || [/download/josm.jnlp jnlp] || [/download/windows/josm-setup.exe setup.exe] ([wiki:USB_Stick portable]) || [/download/macosx/josm-macosx.zip package.zip] || ''[#Ubuntu see below]'' || ''[#openSUSE see below]'' ||
-||= latest [[Version(latest)]] =|| [/josm-latest.jar jar] || [/download/josm-latest.jnlp jnlp] || || || ''[#Ubuntu see below]'' || ||
-||= older =|| [/download/ download/] || || || || || ||
-
- * **Which version should I use?** (see also: [wiki:Releases release system])
-   * ''tested'' is released approx. monthly and shouldn't contain severe bugs
-   * ''latest'' is released daily, may have more errors
-   * If possible, use the Web Start version in order to automatically update.
-* Verify josm.jar with jarsigner
-
-----
-[[PageOutline(2-3,Page Outline)]]
-
- * **Note that there are fairly regular updates, so always try running a recent version (and also recent plugins).**
- * Access [/download/josm.jnlp JOSM-WebStart] without installation
- * Download the **[/josm-tested.jar tested JOSM ]** version [[Version(tested)]]
- * Download the [/download/windows/josm-setup.exe Windows JOSM installer] version [[Version(windows)]]
- * Download the [/download/macosx/josm-macosx.zip Mac OS X JOSM package] version [[Version(macos)]]
- * Prepare a [wiki:USB_Stick USB flash drive] to use JOSM on any foreign Windows machine.
- * For download scripts use version check for [/latest latest] and [/tested tested] (or [/version both]) to reduce download bandwith
- * If download size is an issue for you:
-  * Append **?lang=…** to the download link address for both releases to strip unused translations (e.g. **?lang=de** will download JOSM in German language only).
-  * **Note**: Use underscore to separate [[Translations|language codes]] with country code extensions, e.g. **?lang=en_GB**
-  * Append **?unsigned=1** to strip the code signing information
-  * When **lang** and **unsigned** are used the separation is a **&** sign like in **?lang=de&unsigned=1**
-
-
-== Mac OS X errors ==
-[=#MacOSXMountainLionErrors]
+This page provides basic JOSM installation steps and troubleshooting information.
+To start working with JOSM please see the [wikitr:/Introduction] and the [wikitr:/Help] pages. 
+And for very complex issues see [wikitr:/InstallNotes Installation Notes].
+
+== Recommended options ==#Recommendedoptions
+[[JOSMImage(openlocation, valign=middle, link=[download/josm.jnlp])]] **Start [/download/josm.jnlp josm.jnlp]** (newest tested version) \\
+Recommended version, all platforms, automatic update to the newest ''tested version'' monthly ([#Webstart how to start]). \\ \\
+
+[[JOSMImage(download, valign=middle, link=[/josm-tested.jar])]] **Download [/josm-tested.jar josm-tested.jar]** (tested version [[Version(tested)]]) \\
+All platforms ([#Java how to run]). \\ \\
+
+
+== All download options ==#Moredownloadoptions
+Every [/roadmap month] the team of JOSM [wikitr:/Releases releases] a **tested version** for download. 
+The MS Windows and Apple macOS variants are built on this tested version.
+When you click on josm.jnlp to launch JOSM you will always get the newest tested version. Java's [wikitr:/InstallNotes#Webstart Web Start] is the mechanism behind this.
+
+[=#DevelopmentVersion]
+Every [/log/josm/?verbose=on&limit=20 night] the build systems generate a **latest version**.
+These versions might have severe errors. But mostly they work well, too.
+For the latest version is also a Web Start variant available.
+
+||= =||||= **For all operating systems** =|||||||| ||= **Development** =||
+||=**Version** =||= **Web Start** =||= **Download** =||= **Windows** =||= **Apple macOS** =||= **Ubuntu, Debian…**  =||= **openSUSE** =||= **Jar / Javadoc / Source** =||
+||**tested [[Version(tested)]]** ||  \
+||  [/download/josm.jnlp josm.jnlp]  ||  \
+||  [/josm-tested.jar]  ||  \
+||  \\ [/download/windows/josm-setup.exe josm-setup.exe] \\ [/download/windows/josm-setup.msi josm-setup.msi] \\ [https://apps.microsoft.com/store/detail/josm/XPFCG1GV0WWGZX Microsoft Store]\\ ''([#Mswindowswrapper see below])''  ||  \
+||  \\ [/download/macosx/josm-macosx.zip JOSM macOS .zip package] \\ ''or ([#macOS homebrew])''  ||  \
+||  ''[#Ubuntu see below]''  ||  \
+||  ''[#Opensuse see below]''  ||  \
+||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/ josm]:[[Version(tested)]]  ||
+||**latest [[Version(latest)]]** ||  \
+||  [/download/josm-latest.jnlp latest.jnlp]  ||  \
+||  [/josm-latest.jar]  ||  \
+||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
+||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
+||  ''[#Ubuntu see below]''  || ||  \
+||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/SNAPSHOT/ Use snapshots]  ||
+||=''**older**'' =|| ||  \
+||  [/download/ download/]  ||  \
+||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
+||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
+||  [/apt/pool/universe/j/ pool/]  || ||  \
+||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/ tested versions]  ||
+
+When running scripts please first check on [/latest latest], [/tested tested] or [/version all] to reduce download bandwidth.
+
+** Strip translations **[=#Striptranslations]  \\
+If download size is an issue, smaller files of the tested version are available. For downloads containing only English append [/josm-tested.jar?lang=en ?lang=en] to the URL. To include one translation replace `en` with the [wikitr:/TracLanguages language code] you want (lowercase first character, supported languages only). You can further reduce the file size by stripping the signing information off with appending [/josm-tested.jar?lang=en&unsigned=1 ?unsigned=1].
+
+
+== Linux Repositories ==
+=== JOSM's Debian based mainly for Ubuntu ===#Ubuntu
+This is our own package repository primarily for Ubuntu. It should also work with other Debian based (especially Ubuntu based) distributions, but we do not actively test and maintain any distributions other than Ubuntu.
+
+The repository contains two packages:
+* ''josm'' – Provides the tested version (stable). Replaces the package from the official repository of your distribution. The default JOSM directories name is set to `JOSM`.
+* ''josm-latest'' – The latest version (nightly). Can be installed in parallel to the josm package, therefore the default JOSM directories name is set to `JOSM-latest`.
+Both packages provide `/etc/default/josm` respectively `/etc/default/josm-latest` as config file for [wikitr:Help/CommandLineOptions#Javaoptions java options].
+
+In addition to the regular procedure described below, older DEBs can be manually downloaded from the [/apt/pool/universe/j/ archives].
+
+==== Installation ====
+Edit the package resource list `/etc/apt/sources.list.d/josm.list`:
+{{{#!sh
+sudo editor /etc/apt/sources.list.d/josm.list
+}}}
+{{{#!comment
+### below does not work on GNU Debian systems
+`sudo $EDITOR /etc/apt/sources.list.d/josm.list`
+}}}
+
+and add one of the following lines according to your Ubuntu-Version:
+
+{{{#!sh
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt plucky universe
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt oracular universe
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt noble universe
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt jammy universe
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt focal universe
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt bionic universe
+
+# For other Debian based distributions add:
+deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt alldist universe
+}}}
+
+Alternatively, this can be done with the following one-liner in Ubuntu (not for Ubuntu based distributions like Linux Mint):
+{{{#!sh
+echo "deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt $(lsb_release -sc) universe" | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
+}}}
+or for Linux Mint:
+{{{#!sh
+echo "deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt $(grep ^DISTRIB_CODENAME= /etc/upstream-release/lsb-release| awk -F = '{print $(2)}') universe" | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
+}}}
+
+{{{#!comment
+### below did not work on all systems
+and add the following line:
+{{{#!sh
+`deb [signed-by=/usr/local/share/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt VERSION universe`
+}}}
+}}}
+
+Download the [/josm-apt.key public key]:
+{{{#!sh
+# Create the directory for manually downloaded keys if it was not already created
+sudo mkdir -p /usr/local/share/keyrings
+# Download the key
+wget -q https://josm.openstreetmap.de/josm-apt.key -O- | sudo gpg --dearmor -o /usr/local/share/keyrings/josm-apt.gpg
+}}}
+In the past, instructions used `apt-key`. If the key was added to system's keyring, following line will remove it:
+{{{#!sh
+sudo apt-key del $(apt-key list | grep -B1  "<josm-dev@openstreetmap.org>" | sed '$d' | cut -b 48-51,53-57)
+}}}
+
+Now refresh your sources:
+{{{#!sh
+# You may need to install ssl support for apt in advance:
+sudo apt-get install apt-transport-https
+# Refresh sources
+sudo apt-get update
+}}}
+
+and install:
+{{{#!sh
+# You can skip this first line if these packages were not installed before.
+sudo apt-get remove josm josm-plugins
+
+# For the tested version
+sudo apt-get install josm
+# For the development version
+sudo apt-get install josm-latest
+}}}
+
+
+=== GNU Debian ===#GNUDebian
+Our own Ubuntu packages, [#Ubuntu above], work on Debian and we recommend to use them. Depending on the setup of `sudo`, some instruction will not work as "normal" user but only as `root`.
+
+The tested version of [https://packages.debian.org/stable/josm JOSM] is available under **''main''** in section **''utils''**, but the version is usually quite old. \\
+Please, use the [https://backports.debian.org backports repository] to get a more up-to-date version, see [https://backports.debian.org/Instructions Instructions]. This version might still be older than our own packages.
+
+Since Debian 11 (bullseye) the [https://packages.debian.org/stable/josm-installer josm-installer] is available under **''main''** in section **''utils''**. It downloads the current .jar file from this site and updates it if necessary.
+
+=== openSUSE  ===#Opensuse
+The tested version of JOSM is available in the Application:Geo repository.[=#openSUSE]
+
+First add as root user in yast or with zypper the repository (for Tumbleweed replace **$releasever** with **openSUSE_Tumbleweed**):
+{{{#!sh
+zypper ar -f 'https://download.opensuse.org/repositories/Application:/Geo/$releasever' Application:Geo
+}}}
+
+Then simply install ''josm'' and ''josm-fonts'' package.
+
+
+== Troubleshooting ==
+=== Java ===#Java
+When you double-click on a jar file and nothing happens in most cases this means Java isn't installed. 
+
+JOSM now recommends [https://www.azul.com/downloads/?version=java-21-lts&package=jdk-fx#zulu Azul] or [https://bell-sw.com/pages/downloads/?package=jre-full#mn Bellsoft Liberica] JDK's. Generally speaking, the current Java LTS should be preferred (at time of writing, that would be Java 17), but Java 11 will work. See the [source:/trunk/README README] for current recommendations. But first give the Java already distributed with the operating system a try, [https://en.wikipedia.org/wiki/OpenJDK for example].
+
+
+When choosing a download keep in mind:
+ * A Java Plug-in for web browsers is **not** needed to run JOSM. Therefore results from pages like www.java.com/en/download/installed8.jsp are not relevant.
+ * A Java variant with 64 bit is recommended for JOSM. The operating systems architecture is important for deciding between 32 bit Java or 64 bit Java. Because JOSM is **not** affected by the web browsers architecture most recommendations on this page www.java.com/en/download/faq/java_win64bit.xml are not relevant.
+ * Avoid pages like www.java.com/en/download which intent to place Java Plug-ins in web browsers. And this is **not** important for JOSM.
+
+For further information visit the [InstallNotes Installation Notes] and [https://www.java.com/en/download/help/troubleshoot_java.xml troubleshooting] pages.
+''Java'' in this section means a JRE (Java Runtime Engine) which provides a JVM (Java Virtual Machine) to run JOSM, a Java program that is developed using JDK (Java Development Kit) and sometimes launched with the JNLP (Java Network Launch Protocol aka Web Start and successor of Java Plug-ins).
+
+==== Testing Java ====#JavaTest 
+[=#Troubleshootingjarfile] Checks if Java is installed and why JOSM does not start (example mainly for MS Windows).
+1. Download [/josm-tested.jar josm-tested.jar] to your desktop.
+1. Open a Command Prompt aka Terminal
+1. Type `cd %homepath%`⏎ and type `cd Desktop`⏎ 
+1. Type `java -version `⏎ Three lines with the version data should appear. If you see something else then Java is not properly installed.
+1. Type `java -jar josm-tested.jar`⏎. Now JOSM should run, started from the [wikitr:/Help/CommandLineOptions Command Line]. 
+1. Quit JOSM.
+1. Type `josm-tested.jar`⏎. If JOSM starts again, the Windows Explorer is ready for double clicks on jar files.
+
+
+=== Web Start ===#Webstart
+[=#Troubleshootingjhlplink]
+You need to install [https://openwebstart.com/ OpenWebStart] first. It will download and run Java by itself. Please use the 64 bit (`x64`) version of OpenWebStart if you are on Microsoft Windows. The transition from Oracle WebStart to OpenWebStart is still in progress, so in case of issue please create a [/newticket new ticket] or post a comment to #17858.
+
+You may need to update the default application for opening JNLP files if you previously used Oracle WebStart. See [https://openwebstart.com/docs/OWSGuide.html#_jnlp_file_association jnlp file association] for instructions on setting OpenWebStart as the default program for jnlp files.
+
+==== Testing Web Start ====#Webstarttest
+1. Download [/download/josm.jnlp josm.jnlp] to your desktop.
+1. Open a Terminal and move to the Desktop as above
+1. Type `javaws josm.jnlp`⏎. This should initially download JOSM, show a security dialog and then launch JOSM.
+1. If that fails, then type `javaws -verbose josm.jnlp`⏎. This should first show a dialog with information about the JVM and then launch JOSM.
+
+
+=== Virtual Machine ===#Troubleshootingjvm
+==== Out of memory ====
+Nowadays manually controlling Javas memory is seldom needed because available RAM on computers has grown. 
+Wrongly chosen values can decrease JOSM performance. 
+
+For some tasks, JOSM has a large appetite for memory. On the one hand, it may be necessary to configure a memory size that supports more plugins and features. On the other hand can slow machines be stabilized by restricting Javas memory use. 
+If needed, use the [wikitr:/Help/CommandLineOptions command line] to set the [https://docs.oracle.com/en/java/javase/11/tools/java.html#GUID-3B1CE181-CD30-4178-9602-230B800D4FAE__BABHDABI Java Option] -Xmx…m, for example `-Xmx512m` or `-Xmx1536m`. In Debian/Ubuntu you can edit the file `/etc/default/josm` respectively `/etc/default/josm-latest`. \\
+Formerly older java programs accepted `-Xmx=512m` or even `-Xmx 512m`. Now those malformed arguments throw error messages.
+
+==== VM selection ====#VMselectiononWindowsx64
+On current versions of MS Windows by default Java is installed mainly in the `C:\Program Files\Java\` directory. Additional parts are placed in `C:\Program Files\Oracle\Java\`. There is a `.\javapath\` directory as target for the PATH environment variable. It is the home for the three virtual files `java.exe`, `javaw.exe` and `javaws.exe`. This files are symbolic links form the current Java installations.
+
+On older versions of 64 bit Windows sometimes the 32 bit mode JRE was additionally installed.  Also some browsers brought their own JVM with limited capabilities. In those cases a Web Start from the browser would not use your Java installation but that from the browser.
+
+Check that there's no other javawebstart in `\Windows\SysWow64`. The Java control panel will not detect it and you can safely delete it. Perform cleanup and only keep the latest versions of each JRE (One or the 32-bit mode, another one for the 64-bit mode).
+
+For shortcuts created on the desktop for JNLP and running the Javawebstart launcher , make sure to pass VM parameters prefixed with -J and no intermediate space before the VM option. If you have installed both the 32-bit and 64-bit version, you should pass the option "`-d64`" if you want to select the preferred 64-bit VM. Note that some Oracle documentation pages indicate the option "-D64" with the incorrect capitalization!)
+
+Example of an edited command line for a shortcut on the windows desktop: 
+{{{
+#!sh
+javaws.exe -J-d64 -J-Xmx2048m  josm.jnlp 
+}}}
+
+=== Microsoft Windows ===#MSWindows
+==== josm.exe ====#Mswindowswrapper
+Using josm-setup.exe for installation on Microsoft Windows does the following: 
+ * Puts two executable files `JOSM.exe` and `HWConsole.exe` in directory `%LOCALAPPDATA%\JOSM`
+ * Registers JOSM.exe as target for the file extensions `*.osm`, `*.geojson`, `*.gpx`, `*.jos` and `*.joz`.
+ * Places JOSM shortcut icons on the Desktop and in the Start Menu.
+ * Adds uninstall data at the appropriate places.
+
+When starting, JOSM.exe starts JOSM with an embedded version of Java maintained by JOSM developers, based on Azul Zulu. 
+JOSM.exe acts as a ''wrapper'' and is [wikitr:/USB_Stick portable].
+
+HWConsole.exe is similar to JOSM.exe but start JOSM while keeping open a Windows console displaying JOSM standard output (logs).
+
+JOSM.exe accepts all usual [wikitr:/Help/CommandLineOptions#Programarguments JOSM Program arguments]. See example:
+
+{{{
+#!sh
+# Load OSM data
+josm.exe https://www.osm.org/way/476702262
+}}}
+
+For giving [wikitr:/Help/CommandLineOptions#Javaoptions Java options] to the Java VM, JOSM.exe uses the configuration file `JOSM.cfg` in its app sub-directory. In this file, each option must be on a separate line.
+
+For example, to change memory allocation, open `%LOCALAPPDATA%\JOSM\app\JOSM.cfg` and add `java-options=-Xmx8192m` (for 8 GB) to a new line under the `[JavaOptions]` header.
+
+==== Graphics ====#MicrosoftWindowsGraphics
+Some Windows installations have graphics driver issues (see #23784 for an example). This may exhibit symptoms such as:
+* Black bars in JOSM toolbars
+* Flickering
+* Other unexpected user interface issues
+
+1. Download and install Display Driver Uninstaller (DDU, [https://github.com/Wagnard/display-drivers-uninstaller source]) from the official mirror => https://www.wagnardsoft.com/display-driver-uninstaller-DDU-
+2. From the "Device Type" drop-down on the right, select "GPU". DDU will automatically detect the GPU you're using.
+3. Click on "Clean and Restart" at the top. This will uninstall the graphics drivers and restart your PC.
+4. Reinstall the drivers.
+
+//**WARNING: Create a backup of your PC before using DDU. Although it creates a recovery point by itself, it's ideal to make one yourself just in case.**// 
+
+=== macOS ===#macOS
+[=#MacOSErrors][=#MacOSXMountainLionErrors][=#Macoserrors]
 {{{
 #!comment
 old section title, keeping as anchor for old links
 }}}
-[[Image(#8787:damaged_josm_app.png,align=right,margin-top=-35)]]
-Since Mac OS 10.8 a error message may appear on your first attempt to run JOSM:
-* older versions: ''JOSM.app is damaged and can't be opened. You should move it to the Trash.''
-* newer versions: ''JOSM.app can't be opened because it is from an unidentified developer.''
-
-To open JOSM for the first time, right-click on JOSM.app and confirm the opening in the pop-up dialogs. This is only necessary on the first run of JOSM.
-
-== Development Version ==
-
- * Download the **[/josm-latest.jar latest JOSM]** version [[Version(latest)]] (may have more errors than "tested", be careful with this one).
-
-== Source ==
-
- * Get the source:
-   * From the official Subversion repository (recommended if you're interested in JOSM core only):
-{{{
-#!sh
-svn co https://josm.openstreetmap.de/svn/trunk josm
-}}}
-   * From the official OSM Subversion repository (recommended if you're also interested in plugins):
-{{{
-#!sh
-svn co https://svn.openstreetmap.org/applications/editors/josm
-}}}
-   * From the unofficial [https://github.com/openstreetmap/josm GitHub mirror]:
-{{{
-#!sh
-git clone git://github.com/openstreetmap/josm.git
-}}}
- * Or you can inspect single files over the web frontend at [/svn] (or [/browser]).
-
-== openSUSE repository#openSUSE
-
-Tested version of JOSM is available in the Application:Geo repository.
-
-First add as root user in yast or with zypper the repository (replace the version in the URL with the one you are using):
-{{{
-zypper ar -f http://download.opensuse.org/repositories/Application:/Geo/openSUSE_13.2 Application:Geo
-}}}
-
-Then simply install **josm** and **josm-fonts** package.
-
-== Ubuntu repository ==#Ubuntu
-
-This is a package repository primarily for Ubuntu. It should also work with other Debian based (especially Ubuntu based) distributions, but we do not actively test and maintain any distributions other than Ubuntu.
-[[BR]]
-Note: in addition to the regular procedure described below, older DEBs can be manually downloaded and clicked to be installed from the following directories:   [https://josm.openstreetmap.de/apt/pool/universe/j/josm/ for josm]  [https://josm.openstreetmap.de/apt/pool/universe/j/josm-latest/ for josm-latest]  
-
-The repository contains two packages:
- {{{josm}}}:: ''The tested version''[[br]]
-  Replaces the package from the official Ubuntu repository.
- {{{josm-latest}}}:: ''The development version (nightly build)''[[br]]
- Can be installed parallel to the {{{josm}}} package. The default preference folder is {{{~/.josm-latest}}}.
-
-=== Installation ===
-
-Edit the package resource list {{{/etc/apt/sources.list}}}:
-
-{{{
-#!sh
-sudo editor /etc/apt/sources.list
-}}}
-
-and add one of the following lines according to your Ubuntu-Version:
-
-{{{
-deb https://josm.openstreetmap.de/apt lucid universe
-deb https://josm.openstreetmap.de/apt precise universe
-deb https://josm.openstreetmap.de/apt quantal universe
-deb https://josm.openstreetmap.de/apt raring universe
-deb https://josm.openstreetmap.de/apt saucy universe
-deb https://josm.openstreetmap.de/apt trusty universe
-deb https://josm.openstreetmap.de/apt utopic universe
-deb https://josm.openstreetmap.de/apt vivid universe
-deb https://josm.openstreetmap.de/apt wily universe
-deb https://josm.openstreetmap.de/apt xenial universe
-}}}
-
-Alternatively, this can  be done with the following one-liner:
-{{{
-echo deb https://josm.openstreetmap.de/apt $(lsb_release -sc) universe | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
-}}}
-
-For other Debian based distributions, add the following line:
-
-{{{
-deb https://josm.openstreetmap.de/apt alldist universe
-}}}
- 
-
-{{{#!comment
-### below did not work on all systems
-and add the following line:
-`
-deb https://josm.openstreetmap.de/apt VERSION universe
-`
-}}}
-
-Download and register the [[/josm-apt.key|public key]]:
-{{{
-#!sh
-wget -q https://josm.openstreetmap.de/josm-apt.key -O- | sudo apt-key add -
-}}}
-
-Now refresh your sources
-{{{
-#!sh
-sudo apt-get update
-}}}
-and install:
- {{{josm}}}:: (You can skip the first line if you haven't installed these packages before.)
-{{{
-#!sh
-sudo apt-get remove josm josm-plugins
-sudo apt-get install josm
-}}}
-
- {{{josm-latest}}}::
-{{{
-#!sh
-sudo apt-get install josm-latest
-}}}
-
-
-=== Increase memory given to a JOSM ===
-
-If JOSM runs out of memory, you can increase the maximum size of allocated memory (400 MB in this example):
-{{{
-JAVA_OPTS="-Xmx400M" josm
-}}}
-
-Start with a different preference folder:
-{{{
-JAVA_OPTS="-Djosm.home=$HOME/.josm-tmp" josm
-}}}
-
-
-== VM selection on Windows x64 ==
-
-For Windows, beware that some browsers may install their own JRE only in 32 bit mode, but may also install their version of the Javawebstart tool somewhere else with different file associations. This may cause your JNLP to start with this alternate JRE because it runs the wrong version of Javawebstart which only supports the 32 bit VM, and sometimes is built with a restricted support for VM options and a max VM size not exceeding 256MB.
-
-Check, for example, if there's no other javawebstart in {{{\Windows\SysWow64}}}. You should not need it (the Java control panel will not detect it) and can safely delete it. Perfom cleanup and only keep the latest version of the JRE (1 for the 32-bit mode, another one for the 64-bit mode).
-
-For shortcuts created on the desktop for JNLP and running the Javawebstart launcher (from {{{\windows\system32}}}), make sure to pass VM parameters prefixed with -J and no intermediate space before the VM option. If you have installed both the 32-bit and 64-bit version, you should pass the option "{{{-d64}}}" if you want to select the preferred 64-bit VM. Note that some Oracle documentation pages indicate the option "-D64" with the incorrect capitalization!)
-
-Example of an edited commandline for the shortcut created on the windows desktop after running JOSM just once from the JNMP and exiting:
-{{{
-#!sh
-C:\Windows\System32\javaws.exe -J-d64 -Xmx=2048m -localfile -J-Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp "C:\Users\<snipped user name>\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\21\7311<snipped-hex-number>7f8"
-}}}
-You don't need to change the end of the command line with the snipped parts here. Just check the path for {{{javaws.exe}}} and add options {{{-J-d64}}} for the 64-bit mode needed to work with large OSM datasets, and {{{-Xmx=2048m}}} to increase the VM size (to 2GB here).
+
+==== Using brew ====#brew
+macOS users may use the [https://brew.sh/ homebrew] package manager to install and update their JOSM instance.
+
+In Terminal, run the `brew install --cask josm` to install or `brew upgrade --cask josm` to upgrade to the current tested version of JOSM.
+
+=== Linux ===#linux
+==== Arch Linux ====
+Using AUR you can install [https://aur.archlinux.org/packages/openwebstart-bin openwebstart-bin].
+
+If you use [https://archlinux.org/packages/extra/x86_64/icedtea-web/ icedtea-web] instead of the recommended openwebstart you will get an error with the newest java. java-17-openjdk is known to work, but java-22-openjdk do not. 
+
+
+=== Known issues ===
+Not closed issues about …:
+* [/query?status=!closed&type=defect&keywords=~java Java issues] - some of the bugs lead to blockers in Oracle JVM (covered at [wiki:JavaBugs JavaBugs]).
+* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~linux&order=priority Linux]
+* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~ubuntu&order=priority Ubuntu]
+* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~macos&order=priority macOS]
+* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~windows&order=priority Windows]