Freenet / Hyphanet build 1503: fix vulnerability, WebP, convenience, optimized

Freenet / Hyphanet 0.7.5 build 1503 is now available.

This is a shared release announcement for 1502 and 1503. 1502 fixed an inserter tracing vulnerability and added several features while 1503 is a hotfix release that fixes regressions in 1502. The main changes are:

- fix vulnerability

- reduce visibility on the network

- support animated webp and more modern HTML and CSS

- enable direct linking to Freemail’s “New Message” page

- dismiss alerts and convenience

- substantial routing optimizations

- bug fixes

Hyphanet is a peer-to-peer platform for censorship-resistant and privacy-respecting publishing and communication.