9.0.0-rc.0 large bundle files

[naturalfreak]

main.js file increased from 462kb to 732kb after updating from @angular 8.2.13, @angular/cli 8.3.17 to @angular 9.0.0-rc.0, @angular/cli 9.0.0-rc.0

Node - v12.13.0
npm - 6.12.1
os - Ubuntu 16.04.3

@angular 9.0.0-rc.0, @angular/cli 9.0.0-rc.0

@angular 8.2.13, @angular/cli 8.3.17

[filipesilva]

Any chance of repro? Would love to investigate this.