what is not "good" about electrum's transparency? what does "it was not built deterministically like bitcoin core" means?

https://bitcoin.org/en/choose-your-wallet?step=5&platform=linux https://bitcoin.org/en/wallets/desktop/linux/electrum/ from electrum's page: Basic transparency: However, you still need to trust developers of this wallet when installing or updating the final software because it was not built deterministically like Bitcoin Core. from bitcoin core's page: Complete transparency: This wallet is open-source and built deterministically. This means any developer in the world can audit the code and make sure the final software isn't hiding any secrets. Bitcoin.org / Choose your Bitcoin wallet submitted by /u/EfficientFortune [link] [comments]