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Hi,WorldI wrote: ↑Tue Jul 09, 2019 4:52 pmHello. My advice is to submit documents explicitly requested by UKVI only. If they deem further documentation is required, they'll contact you. Sending too much additional information without request is pointless.
However, make sure you have any potential documents handy. For instance, police registration certificates, school diplomas, former visa application documents, etc. In case UKVI requests any of these, you'll be able to send them without delay.