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    v163 v235  
    88And for very complex issues see [wikitr:/InstallNotes Installation Notes].
    99
    10 == Recommended options ==
    11 [[JOSMImage(openlocation, valign=middle, link=[download/josm.jnlp])]] **Start [/download/josm.jnlp josm.jnlp]** (newest tested version) \\
     10== Recommended options ==#Recommendedoptions
     11[[JOSMImage(openlocation, valign=middle, link=[/download/josm.jnlp])]] **Start [/download/josm.jnlp josm.jnlp]** (newest tested version) \\
    1212Recommended version, all platforms, automatic update to the newest ''tested version'' monthly ([#Webstart how to start]). \\ \\
    1313
    … …  
    1818== All download options ==#Moredownloadoptions
    1919Every [/roadmap month] the team of JOSM [wikitr:/Releases releases] a **tested version** for download.
    20 The MS Windows and Apple Mac variants are built on this tested version.
     20The MS Windows and Apple macOS variants are built on this tested version.
    2121When 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.
    2222
    … …  
    2626For the latest version is also a Web Start variant available.
    2727
    28 ||= =||||= **For all operating systems** =|||||||| ||= **Development** =||
    29 ||=**Version** =||= **Web Start** =||= **Download** =||= **Windows** =||= **Apple Mac** =||= **Ubuntu, Debian…**  =||= **openSUSE** =||= **Jar / Javadoc / Source** =||
     28||= =||||= **For all operating systems** =|| || || || || ||= **Development** =||
     29||=**Version** =||= **Web Start** =||= **Download** =||= **Windows** =||= **Apple macOS** =||= **Ubuntu, Debian…** =||= **openSUSE** =||= **Arch Linux** =||= **Jar / Javadoc / Source** =||
    3030||**tested [[Version(tested)]]** ||  \
    3131||  [/download/josm.jnlp josm.jnlp]  ||  \
    3232||  [/josm-tested.jar]  ||  \
    33 ||  \\ [/download/windows/josm-setup.exe josm-setup.exe] \\ ''([#Mswindowswrapper see below])''  ||  \
    34 ||  \\ [/download/macosx/josm-macosx.zip package.zip] \\ ''([#Macoserrors see below])''  ||  \
     33||  \\ [/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])''  ||  \
     34||  \\ [/download/macosx/josm-macosx.zip JOSM macOS .zip package] \\ ''or ([#macOS homebrew])''  ||  \
    3535||  ''[#Ubuntu see below]''  ||  \
    3636||  ''[#Opensuse see below]''  ||  \
    37 ||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/ josm]:[[Version(tested)]]  ||
    38 ||**latest [[Version(latest)]]** || \
     37||  ''[#ArchLinux see below]''  ||  \
     38||  [/repository/releases/org/openstreetmap/josm/josm/ josm]:[[Version(tested)]]  ||
     39||**latest [[Version(latest)]]** ||  \
    3940||  [/download/josm-latest.jnlp latest.jnlp]  ||  \
    40 ||  [/josm-latest.jar]  || || ||  \
     41||  [/josm-latest.jar]  ||  \
     42||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     43||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
    4144||  ''[#Ubuntu see below]''  || ||  \
    42 ||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/SNAPSHOT/ Use snapshots]  ||
     45||  ''[#ArchLinux see below]''  ||  \
     46||  [/repository/snapshots/org/openstreetmap/josm/josm/SNAPSHOT/ Use snapshots]  ||
    4347||=''**older**'' =|| ||  \
    44 ||  [/download/ download/]  || ||  \
    45 ||  [https://github.com/openstreetmap/josm/releases automatic JOSM.app builds]  ||  \
    46 ||  [/apt/dists/ dists/]  || ||  \
    47 ||  [/nexus/content/groups/public/org/openstreetmap/josm/josm/ tested versions]  ||
    48 
    49 When running scripts please first check on [/latest latest], [/tested tested] or [/version both] to reduce download bandwidth.
     48||  [/download/ download/]  ||  \
     49||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     50||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     51||  [/apt/pool/universe/j/ pool/]  || || ||  \
     52||  [/repository/releases/org/openstreetmap/josm/josm/ tested versions]  ||
     53
     54When running scripts please first check on [/latest latest], [/tested tested] or [/version all] to reduce download bandwidth.
    5055
    5156** Strip translations **[=#Striptranslations]  \\
    … …  
    5863
    5964The repository contains two packages:
    60 * ''josm''  – Provides the tested version (stable). Replaces the package from the official Ubuntu repository.
    61 * ''josm-latest'' – The latest version (nightly). Can be installed parallel to the josm package. The default preference folder is {{{~/.josm-latest}}}.
     65* ''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`.
     66* ''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`.
     67Both packages provide `/etc/default/josm` respectively `/etc/default/josm-latest` as config file for [wikitr:Help/CommandLineOptions#Javaoptions java options].
    6268
    6369In addition to the regular procedure described below, older DEBs can be manually downloaded from the [/apt/pool/universe/j/ archives].
    6470
    6571==== Installation ====
    66 Edit the package resource list {{{/etc/apt/sources.list}}}:
    67 
    68 {{{#!sh
    69 sudo editor /etc/apt/sources.list
     72Edit the package resource list `/etc/apt/sources.list.d/josm.list`:
     73{{{#!sh
     74sudo editor /etc/apt/sources.list.d/josm.list
    7075}}}
    7176{{{#!comment
    7277### below does not work on GNU Debian systems
    73 `sudo $EDITOR /etc/apt/sources.list`
     78`sudo $EDITOR /etc/apt/sources.list.d/josm.list`
    7479}}}
    7580
    … …  
    7782
    7883{{{#!sh
    79 deb https://josm.openstreetmap.de/apt hirsute universe
    80 deb https://josm.openstreetmap.de/apt groovy universe
    81 deb https://josm.openstreetmap.de/apt focal universe
    82 deb https://josm.openstreetmap.de/apt eoan universe
    83 deb https://josm.openstreetmap.de/apt disco universe
    84 deb https://josm.openstreetmap.de/apt bionic universe
     84deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt resolute universe
     85deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt questing universe
     86deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt plucky universe
     87deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt noble universe
     88deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt jammy universe
     89deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt focal universe
     90deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt bionic universe
    8591
    8692# For other Debian based distributions add:
    87 deb https://josm.openstreetmap.de/apt alldist universe
     93deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt alldist universe
    8894}}}
    8995
    9096Alternatively, this can be done with the following one-liner in Ubuntu (not for Ubuntu based distributions like Linux Mint):
    91 {{{
    92 echo deb https://josm.openstreetmap.de/apt $(lsb_release -sc) universe | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
     97{{{#!sh
     98echo "deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt $(lsb_release -sc) universe" | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
    9399}}}
    94100or for Linux Mint:
    95 {{{
    96 echo deb 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
     101{{{#!sh
     102echo "deb [signed-by=/etc/apt/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
    97103}}}
    98104
    … …  
    100106### below did not work on all systems
    101107and add the following line:
    102 `deb https://josm.openstreetmap.de/apt VERSION universe`
    103 }}}
    104 
    105 Download and register the [/josm-apt.key public key]:
    106 {{{#!sh
    107 wget -q https://josm.openstreetmap.de/josm-apt.key -O- | sudo apt-key add -
    108 }}}
    109 
    110 Now refresh your sources (you may need to install `sudo apt-get install apt-transport-https`)
    111 {{{#!sh
     108{{{#!sh
     109`deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt VERSION universe`
     110}}}
     111}}}
     112
     113Download the [/josm-apt.key public key]:
     114{{{#!sh
     115sudo curl https://josm.openstreetmap.de/josm-apt.key -o /etc/apt/keyrings/josm-apt.gpg
     116}}}
     117
     118In the past, instructions used `apt-key`. If the key was added to system's keyring, following line will remove it. This is never required, except it stops JOSM from signing packages that are NOT josm.
     119{{{#!sh
     120sudo apt-key del $(apt-key list | grep -B1  "<josm-dev@openstreetmap.org>" | sed '$d' | cut -b 48-51,53-57)
     121}}}
     122
     123Now refresh your sources:
     124{{{#!sh
     125# You may need to install ssl support for apt in advance:
     126sudo apt-get install apt-transport-https
     127# Refresh sources
    112128sudo apt-get update
    113129}}}
     130
    114131and install:
    115 
    116132{{{#!sh
    117133# You can skip this first line if these packages were not installed before.
    … …  
    120136# For the tested version
    121137sudo apt-get install josm
    122 # for the development version
     138# For the development version
    123139sudo apt-get install josm-latest
    124140}}}
    … …  
    126142
    127143=== GNU Debian ===#GNUDebian
    128 The tested version of JOSM is available under **''main''** in section **''utils''**.
    129 
    130 Please, use the [https://backports.debian.org backports repository] to get the up to date version, see [https://backports.debian.org/Instructions Instructions].
     144Our 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`.
     145
     146The tested version of [https://packages.debian.org/stable/josm JOSM] is available under **''main''** in section **''utils''**, but the version is usually quite old. \\
     147Please, 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.
     148
     149Since 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.
    131150
    132151=== openSUSE  ===#Opensuse
    133 [=#openSUSE]
    134 The tested version of JOSM is available in the Application:Geo repository.
    135 
    136 First add as root user in yast or with zypper the repository (replace the version in the URL with the one you are using):
    137 {{{
    138 zypper ar -f https://download.opensuse.org/repositories/Application:/Geo/openSUSE_Leap_15.0 Application:Geo
     152The tested version of JOSM is available in the Application:Geo repository.[=#openSUSE]
     153
     154First add as root user in yast or with zypper the repository (for Tumbleweed replace **$releasever** with **openSUSE_Tumbleweed**):
     155{{{#!sh
     156zypper ar -f 'https://download.opensuse.org/repositories/Application:/Geo/$releasever' Application:Geo
    139157}}}
    140158
    141159Then simply install ''josm'' and ''josm-fonts'' package.
    142160
     161=== Arch Linux ===#ArchLinux
     162
     163The official repository contains the `josm` [https://archlinux.org/packages/extra/any/josm/ package], which can be installed via `pacman -S josm`.
     164
     165The Arch user repository (AUR) additionally contains the `josm-latest` [https://aur.archlinux.org/packages/josm-latest package] with the latest version of JOSM.
     166Use your AUR helper to install this package.
     167
     168Both packages are third-party-packages and not maintained by the JOSM-team.
    143169
    144170== Troubleshooting ==
    145171=== Java ===#Java
    146 [=#Doubleclickonafiledoesnothing When you double-click on a jar file and nothing happens] in most cases this means Java isn't installed.
    147 
    148 JOSM is tested with Oracles variant, so we recommend to get Java from their pages for [https://www.java.com/download/manual.jsp manual] downloads or [http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html intermediate] versions. But first give the Java already distributed with the operating system a try, [https://en.wikipedia.org/wiki/OpenJDK for example].
     172When you double-click on a jar file and nothing happens in most cases this means Java isn't installed.
     173
     174JOSM 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].
     175
    149176
    150177When choosing a download keep in mind:
    … …  
    153180 * 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.
    154181
    155 For further information visit the [InstallNotes Installation Notes] and [https://www.java.com/en/download/help/troubleshoot_java.xml troubleshooting] pages.
     182For further information visit the [wikitr:/InstallNotes Installation Notes] and [https://www.java.com/en/download/help/troubleshoot_java.xml troubleshooting] pages.
    156183''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).
    157184
    … …  
    169196=== Web Start ===#Webstart
    170197[=#Troubleshootingjhlplink]
    171 If you have problems using webstart please test [#JavaTest Java] first and then run the tests described below or elsewhere [https://www.java.com/en/download/faq/java_webstart.xml Web Start issues]. Please note that webstart was dropped by Oracle starting with Java 9. In that case you will need to install [https://openwebstart.com/ OpenWebStart] separately.
     198You 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.
     199
     200You 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.
    172201
    173202==== Testing Web Start ====#Webstarttest
    … …  
    180209=== Virtual Machine ===#Troubleshootingjvm
    181210==== Out of memory ====
    182 Nowadays manually controlling Javas memory is seldom needed because available RAM on computers has grown.
     211Nowadays manually controlling Java's memory is seldom needed because available RAM on computers has grown.
    183212Wrongly chosen values can decrease JOSM performance.
    184213
    185 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.
    186 If needed, use the [wikitr:/Help/CommandLineOptions command line] to set the [https://docs.oracle.com/javase/8/docs/technotes/tools/unix/java.html#BABHDABI Java Option] -Xmx…m, for example `-Xmx512m` or `-Xmx1536m`.
     214For 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 Java's memory use.
     215If 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`. \\
    187216Formerly older java programs accepted `-Xmx=512m` or even `-Xmx 512m`. Now those malformed arguments throw error messages.
    188217
    … …  
    194223Check 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).
    195224
    196 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!)
     225For 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!)
    197226
    198227Example of an edited command line for a shortcut on the windows desktop:
    … …  
    202231}}}
    203232
    204 
    205 === Windows josm.exe ===#Mswindowswrapper
     233=== Microsoft Windows ===#MSWindows
     234==== josm.exe ====#Mswindowswrapper
    206235Using josm-setup.exe for installation on Microsoft Windows does the following:
    207  * Puts the files `josm-tested.jar` and `josm.exe` in directory chosen by the user, default is `C:\Program Files (86)\JOSM\`
    208  * Suggests to register josm.exe as target for the file extensions `*.osm` and `*.gpx`.
    209  * Suggests to place JOSM shortcut icons on the Desktop and in the Start Menu (Currently they are placed for an admin only and can be copied from there, #11398).
    210  * Asks if the Plug-Ins Imagery offset database and Turn restrictions should be provided.
     236 * Puts two executable files `JOSM.exe` and `HWConsole.exe` in directory `%LOCALAPPDATA%\JOSM`
     237 * Registers JOSM.exe as target for the file extensions `*.osm`, `*.geojson`, `*.gpx`, `*.jos` and `*.joz`.
     238 * Places JOSM shortcut icons on the Desktop and in the Start Menu.
    211239 * Adds uninstall data at the appropriate places.
    212240
    213 When starting, josm.exe searches its directory for the jar file and runs the command `\path\to\javaw.exe -Xms128m -Xmx1024m -jar \path\to\josm-tested.jar`.
    214 Josm.exe acts as a ''wrapper'' and is [wikitr:/USB_Stick portable].
    215 
    216 When josm.exe finds the argument `--l4j-debug`, it writes the log file `launch4j.log` into the current directory if that is writeable. Some other [http://launch4j.sourceforge.net/docs.html#Runtime_options options] are possible and all usual [wikitr:/Help/CommandLineOptions#Programarguments JOSM Program arguments] too. See example:
     241When starting, JOSM.exe starts JOSM with an embedded version of Java maintained by JOSM developers, based on Azul Zulu.
     242JOSM.exe acts as a ''wrapper'' and is [wikitr:/USB_Stick portable].
     243
     244HWConsole.exe is similar to JOSM.exe but start JOSM while keeping open a Windows console displaying JOSM standard output (logs).
     245
     246JOSM.exe accepts all usual [wikitr:/Help/CommandLineOptions#Programarguments JOSM Program arguments]. See example:
    217247
    218248{{{
    219249#!sh
    220 # Write a log while starting JOSM and load OSM data
    221 josm.exe --l4j-debug https://www.osm.org/way/476702262
    222 }}}
    223 
    224 For giving [wikitr:/Help/CommandLineOptions#Javaoptions Java options] to the Java VM josm.exe uses the optional file `josm.l4j.ini` in its directory. In this file each option needs a separate line and comments are possible, see [http://launch4j.sourceforge.net/docs.html#Additional_jvm_options Additional JVM options].
    225 
    226 While being a 32-bit program, josm.exe needs a 64-bit Java on a 64-bit Windows.
    227 Currently josm.exe is [/browser/josm/trunk/windows/launch4j.xml configured] to search for java in the [https://sourceforge.net/p/launch4j/feature-requests/127/ registry only] and to
    228 prefer JRE's.
    229 
    230 
    231 === macOS Errors ===#Macoserrors
    232 [=#MacOSErrors][=#MacOSXMountainLionErrors]
     250# Load OSM data
     251josm.exe https://www.osm.org/way/476702262
     252}}}
     253
     254For 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.
     255
     256For 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.
     257
     258==== Graphics ====#MicrosoftWindowsGraphics
     259Some Windows installations have graphics driver issues (see #23784 for an example). This may exhibit symptoms such as:
     260* Black bars in JOSM toolbars
     261* Flickering
     262* Other unexpected user interface issues
     263
     2641. 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-
     2652. From the "Device Type" drop-down on the right, select "GPU". DDU will automatically detect the GPU you're using.
     2663. Click on "Clean and Restart" at the top. This will uninstall the graphics drivers and restart your PC.
     2674. Reinstall the drivers.
     268
     269//**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.**//
     270
     271=== macOS ===#macOS
     272[=#MacOSErrors][=#MacOSXMountainLionErrors][=#Macoserrors]
    233273{{{
    234274#!comment
    … …  
    236276}}}
    237277
    238 [[Image(josm_1st_run.png,width=400,align=right,link=)]]
    239 
    240 ==== Downloaded from the internet ====
    241 On the first run of JOSM, you will get a message saying "'JOSM.app' is an application downloaded from the internet." **Right-click or ctrl-click on JOSM.app** or josm.jnlp and select 'open'. You will see the same message, but this time with an option to "Open".
    242 
    243278==== Using brew ====#brew
    244 macOS users may use the [https://brew.sh/ homebrew] package manager to install and update their JOSM instance. Using `brew cask` eliminates the above-mentioned issues.
    245 
    246 In Terminal, run the `brew cask install josm` to install or `brew cask upgrade josm` to upgrade to the current tested version of JOSM.
     279macOS users may use the [https://brew.sh/ homebrew] package manager to install and update their JOSM instance.
     280
     281In Terminal, run the `brew install --cask josm` to install or `brew upgrade --cask josm` to upgrade to the current tested version of JOSM.
     282
     283=== Linux ===#linux
     284==== Arch Linux ====
     285Using AUR you can install [https://aur.archlinux.org/packages/openwebstart-bin openwebstart-bin].
     286
     287If 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.
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