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Mozilla: Security Posing in Mozilla Firefox and OpenPOWER Firefox JIT Update

Submitted by Roy Schestowitz on Tuesday 24th of August 2021 09:43:24 AM Filed under
Moz/FF
  • Firefox follows Chrome and prepares to block insecure downloads

    Called mixed content downloaded blocking, the feature works by blocking file downloads initiated from an encrypted HTTPS page but which actually take place via an unencrypted HTTP channel.

  • Mozilla Firefox will also block insecure downloads on HTTPS pages

    According to references in Mozilla’s bug tracker, the feature is planned to be generally available with Firefox 92. That’s the next major update for Firefox, and it’s currently planned for September 7. It’s already available in experimental versions of Firefox, though, and you can also enable it in the stable release via a flag. Simply go to about:config and search for dom.block_download_insecure. Setting this value to true will enable mixed content download blocking.

  • OpenPOWER Firefox JIT update

    As of this afternoon, the Baseline Interpreter-only form of the OpenPOWER JIT (64-bit little-endian) now passes all of the JIT tests except for the Wasm ones, which are being actively worked on. Remember, this is just the first of the three phases and we need all three for the full benefit, but it already yields a noticeable boost in my internal tests over the C++ interpreter. The MVP is Baseline Interpreter and Wasm, so once it passes the Wasm tests as well, it's time to pull it current with 91ESR. You can help.

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