I'm excited to see that 5.2 has been released and I'm planning to upgrade in the next few days, once I've done some tidying up.
Is it best to update all the plugins first prior to upgrading, assuming that they are all compatible? Or just select all updates and hit submit?
Would a database back up and full home directory back up from within CPanel be sufficient in case they are needed? That's where I usually do my back ups anyway.
Many thanks for the help.
Is it best to update all the plugins first prior to upgrading, assuming that they are all compatible? Or just select all updates and hit submit?
Some updates do not require 5.2, so these can and should be installed first. The easiest way to do this is to disable those update servers for 2019 and run the update, once there is nothing left, proceed with the upgrade. The upgrade requires all available updates to be selected, because they need to be applied in the same process.
Would a database back up and full home directory back up from within CPanel be sufficient in case they are needed? That's where I usually do my back ups anyway.
This should be fine.
Is this a paid upgrade and if so, what is the cost? Or is it free to existing 3.1 users?
This is a paid upgrade. However, starting with WoltLab Suite 5.2 each license, including those upgraded from Burning Board 4.0 or newer, will receive all new versions that are released within one year. Please see Sales Launch and Pricings of WoltLab Suite 5.2 to learn more.
I'm sure I saw that Link Preview is part of the new 5.2 forum, although I may be mistaken.
There had been plans at one point, but these have been postponed for now due to legal concerns, in particular in regards to the EU Directive 2019/790 (Directive on Copyright in the Digital Single Market), which is still pending to be implemented by the member states.
I haven't had time to upgrade yet but will be doing shortly and I'm still on 3.1.14
While updating plugins I see that some show the updated plugin as 5.2. Does that mean it can't be updated until I update the forum to 5.2?
No, but some plugins are compatible with different generations and simply use a higher version number.
I' ve just bought the forum and gallery upgrades, updated all the plugins and those that were preventing the upgrade have been deleted.
The only obstacle now is the CLS Design Nexus Blue style which is our default theme and I cannot remove this (?)
CLS have a guide which is only in German but I've translated it into English and even then, it's difficult to follow.
There is no compatibility for 5.2 when uploading the new style for 5.2.
https://www.cls-design.com/styleupdate/
How should I proceed to update the style without losing all the style settings?
There appears to be an updated version available for that style, have you set up their package servers so it can fetch the updated version?
Nothing has to be done manually in regard to the style to have it working, because this has nothing to do with the style. The package that is being reported is the wrapper around the actual style, it is all about that package, not the style! Ask them to provide you with instructions how to properly gain access to the update, that's all that needs to be done.
Double posting again, sorry.
Just to say that after the upgrade the forum is much quicker and more responsive than before.
Members have actually commented on that. Kudos to the staff at WoltLab.
Glad to hear that it's working for you 
We're always looking into opportunities to optimize parts of the software to further increase the speed, it's always nice to hear when that effort pays off!
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