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Updating MX to new version: Difference between revisions
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===Recommendations for staged updating===
<big>'''This section will need to be updated, new contributors are needed to keep this advice current.'''</big>
Do read all release announcements, to see if the developer has made a major change since those described below that means you need to stage your updates if you are currently running an old release.
====If using a release up to 3.11.4 and want to use any later release====
Upgrade exactly to release 3.12.0 (no later) by using zip at [https://github.com/cumulusmx/CumulusMX/releases/download/b3141/CumulusMXDist3141.zip download/b3141/CumulusMXDist3141.zip].
Run that release, it will rename your [[Cumulus.ini]] file, and create a new file with same name, but different settings.
You need to work through all the settings pages in the interface, and ensure all settings are correct, then close MX so it writes away the new settings according to your preferences.
Now [[Software#Latest_build_distribution_download|download the latest release]], and copy in all the files from the zip, before restarting MX at the release that is supported by developer.
====From 3.10.x to 3.11.y====
Treat like any other major version upgrade as described above.
The changes between 3.10.xand 3.11.y were minor, but ''you can't go from 3.10.x to the latest release'', because you must use 3.12.0 to convert [[Cumulus.ini]].
====From 3.9.y to 3.10.x====
If you are using any release in the 3.9.y series, and using web pages that were provided by MX, you need to jump only to 3.10.1 and set up totally different pages on your web server, and change a lot of settings (in [[Cumulus.ini]]).
The major aspects that changes at 3.10.1 (3.10.0 was withdrawn) are:
* Changes to settings
** You need to open the [[MX Administrative Interface]] and work through all pages in the '''Settings''' menu.
*Changes to web files included in two folders in distribution: <code>CumulusMX/web</code>, <code>CumulusMX/webfiles</code> and introduction of <code>CumulusMX/webfiles-legacy</code>
**If you used the provided templates to produce web pages in earlier releases, or you had directly customised provided [[Customised templates|web templates]], these will no longer work
**Please see [[New Default Web Site Information|New Default Web Site Information page]] for further advice
====if using either 3.8.x or 3.9.y release====
See next sub-section, that describes similar process, '''upgrade directly to 3.9.6, or any later build, within 3.9.x''', without any major change.
====if using any 3.7.y release, upgrade to 3.9.6 before going further ====
'''IMPORTANT''' one-off actions needed:
* There is a one-off change described in [https://cumulus.hosiene.co.uk/viewtopic.php?p=146957#p146957 v3.9.0 - b3095 release announcement] for those using RG-11 rain sensor.
* There is a further on-off change described in [https://cumulus.hosiene.co.uk/viewtopic.php?p=147329#p147329 release announcement for Patch release 3.9.1 - b3096] for those who use '''Mono''' to enable the executables to run.
If you are using 3.7.0 (there were no other builds in 3.7.y series), then you should upgrade directly to version 3.9.6 - build 3101.
Only 3.7.0 was ever released, it introduced a lot of changes, so that is why staged upgrades recommend that this version is implemented, and run for a while, before continuing to upgrade.
Version 3.8.0 was a major release, as it introduced the ability to run Cumulus MX as a service. However, there were bugs in the builds in all 3.8.z versions, and in some 3.9.x versions, so that is why you need to skip through intermediate builds below 3101.
When you are happy with running version 3.9.6 build 3101, you can continue to upgrade. You should continue in stages by going to 3.10.x, and ensure that is working before installing a later release as instructed for those using 3.10.x releases.
====If using a 3.5.x release ====
My advice is to upgrade directly to 3.7.0 available at [https://github.com/cumulusmx/CumulusMX/releases Mark's Github repository].
''You should skip the intermediate releases because several 3.6.y releases have bugs in them'', and you want to avoid those problems (the bugs vary in severity between mistakes in calculations done by MX to particular functionality not working).
But there may be additional actions you need to do when moving from 3.5.x to 3.7.y, depending on what features you use in MX:
*there are no additional actions if '''you use standard web pages and you do not use database tables''', just enjoy the bug fixes and extra features after your update!
*'''If you use database tables''', be aware that the <big>schema (Column names that must be in a table) varies</big> between 3.5.x versions and 3.7.y versions.
**The '''updating database table features in MX will only work''' if all the columns named in each such upload update ''already exist'' in the database table it is trying to update.
**Look at individual release announcements for both 3.6.0 and 3.7.0, to see the SQL provided for adding the columns added at particular versions.
***At 3.6.0 the SQL was provided as a separate attachment to the release announcement (read [https://cumulus.hosiene.co.uk/viewtopic.php?p=142085#p142085 UpdateMYSQL-b3076.zip])
***At 3.7.0 the SQL was provided as part of the main zip (read [https://cumulus.hosiene.co.uk/viewtopic.php?p=145048#p145048 AlterSQLTables3098.sql])
***In both cases, the SQL provided assumes you are using the default names for database tables, it does not read [[Cumulus.ini]] to see whether you have selected different names for the tables (unlike ExportMySQL.exe
*'''If you have your own customised web pages''', then there are changes to web tags that might lead to you needing to edit your web pages.
*'''If you use commas to separate integer and decimal parts of real numbers''', then various releases from 3.6.0 to 3.7.0 add "rc=y" to various web tags, that option will replace the decimal commas you use by decimal points that are required for some script languages (like the JavaScript used by HighCharts), and that makes it easier if you want to customise your web site.
When you are happy with running 3.7.0, then you should continue to upgrade,
====If using either 3.1.x, 3.2.y, 3.3.z, or 3.4.w releases====
First, upgrade to 3.5.1 by downloading it at [[https://github.com/cumulusmx/CumulusMX/releases/tag/b3072 Mark's Github respository]]. The actual installation is done using the instructions early in this Wiki page for simple next build upgrades. You can safely skip reading the intermediate release announcements, as there are no special one-off actions.
When you are happy running 3.5.1, then you should continue to upgrade, initially follow instructions given forlater releases
====If using 3.0.0 (the MX original beta)====
Upgrade from the beta directly to 3.5.1 by downloading it at https://github.com/cumulusmx/CumulusMX/releases/tag/b3072.
This gives you essential new functionality in the admin interface like editors for the log files and extreme records. But it also fixes multiple bugs in the beta you were using and adds some useful validation missing in the beta.
It does not involve any updates to the fields in the log files nor to the columns in any database tables you use.
It skips you past the problems in 3.5.0. It gives you benefits introduced in 3.1.x, 3.2.y, 3.3.z, and 3.4.w releases.
Now follow instructions in other sub-sections, to upgrade in stages until you reach latest release and get support from developer.
= Knowing when a new release is available =
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