How can a minor Apple macOS update (10.15.1) be 4.49GB ?!?!?

Just the regular #Apple #macOS #peakbugs.#Ad: Apple and PCs @Amazon: https://services.exactcode.de/amzn.cgi?index=electronics&keywords=computer You can support my work at: https://patreon.com/renerebe https://exactcode.com https://t2sde.org https://rene.rebe.de