https://chromewebstore.google.com/detail/3gpp-spec-manager/jeekjphpkmdlnocgcemdoalpfehmmacg

I built a simple Chrome extension to make dealing with 3GPP specs less painful.

You can save spec numbers to a list, and it checks for the latest PDF versions automatically. You can also download and open them right away.

Figured some network/telecom engineers here might find it useful.