When updating from 3.0.1 to 3.0.3

[Malke]

Will I have to re-install all addons?

If so... why do I need to update to 3.0.3?

[mattster2002]

Simple answer, No.
You can use a compare program using this guide
https://vborg.vbsupport.ru/showthread.php?t=38545

Extended Answer - A tadd
https://vborg.vbsupport.ru/showthread.php?t=66860

I completely and utterly prefer the 2nd method and highly recommend it :)

[Malke]

Thanks for the reply.