The code upgrade includes the sworker register V2 and extends the code expired date. Meanwhile, it will decrease the deposit CRU for preimage. Please check this PR for detail. https://github.com/crustio/crust/pull/898

Mainnet 19 Code Upgrade

The 1GB limitation for Crust Files storage user is very unfriendly. 
Normal films/ office files are over 1GB, suggest to upgrade **the limitation per file up to 3-5GB**, so that more people can use it as a files transfer tool.

Upgrade the Crust Files single file limitation

I observed the average staking power for the validator has decreased for months. The validator should have enough staking power and keep maintaining the validator node. To keep the stability of the Crust Network and avoid fluctuation, I proposed to decrease the validator counts to 70 first.

Decrease the validator counts to keep the network stability

Crust Wallet mobile version should go live as soon as possible before end of the year.
Crust mainnet has been online for a year, but there is still no dedicated wallet. The current web version and other wallets are not friendly to new users.
The mobile version will help more people get involved with Crust. 
I believe it will help to grab more people who is not just focus on the Polkadot system.


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