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Calibre Open-Source eBook Management App Gets Major Release After Two Years

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OSS

Believe it or not, it's been two years since the Calibre 3.0 series was introduced, and now, the time has come for fans of the best free ebook management software to get a brand-new release that introduces new technologies and new features, along with dozens of improvements.

"It has been two years since Calibre 3.0. This time has been spent mostly in making the calibre Content server ever more capable as well as migrating calibre itself from Qt WebKit to Qt WebEngine, because the former is no longer maintained," said developer Kovid Goyal.

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Also: New in calibre 4.0

Calibre Gets First Major Release in 2 Years, Adds New Ebook View

  • Calibre Gets First Major Release in 2 Years, Adds New Ebook Viewer

    Calibre 4.0 is the first major release of the app in nearly 2 years and succeeds Calibre 3.0, which was released back in 2017.

    “It has been two years since calibre 3.0. This time has been spent mostly in making the calibre Content server ever more capable as well as migrating calibre itself from Qt WebKit to Qt WebEngine, because the former is no longer maintained,” writes Kovid Goyal, Calibre’s chief developer.

    Among the new features and improvements that are on offer in Calibre 4.0 is a new ‘distraction free’ ebook viewer that, early feedback suggests, is a step down from the previous one (and also apparently much slower).

Calibre replacement considerations

  • Calibre replacement considerations

    Calibre is an amazing software: it allows users to manage ebooks on your desktop and a multitude of ebook readers. It's used by Linux geeks as well as Windows power-users and vastly surpasses any native app shipped by ebook manufacturers. I know almost exactly zero people that have an ebook reader that do not use Calibre.

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[libre-riscv-dev] power pc

So as you know, the RISCV Foundation is seriously impeding progress. There
is huge momentum around RISCV itself, however as far as open *innovation*
is concerned, the sheer arrogance of the Foundation in failing to respect
the combination of Libre goals and business objectives has us completely
isolated from key critical resources such as the closed secret lists and
wiki.

We cannot even get access to documentation explaining how to propose new
extensions.

I have been considering for some time to reach out to MIPS and PowerPC.
Yesterday I wrote to the OpenPower Foundation and was really surprised and
delighted to hear back from Hugh Blemings, whom I worked with over 20 years
ago.

I outlined some conditions (no NDAs, open mailing lists, use of
Certification Marks and Compliance Suites) and he replied back that this
was pretty much along the lines of what they were planning.

I will have a chat with him some time, in the meantime I found the spec:

https://openpowerfoundation.org/?resource_lib=power-isa-version-3-0

It is eeenooormous, however Hugh reassures me that they want to break it
into sections.

Why would we even consider this?

The lesson from RISCV is really clear: if the ISA is set up as a cartel,
Libre innovation is not welcome.

If we had a goal to just *implement* a *pre existing* Extension, there
would be no problem.

It is the fact that we wish to implement entirely new extensions, for CPU
and GPU *and* VPU purposes, but not as a separate processor (which would be
classified as "custom") that is the "problem".

So starting at page 1146, we need to work out how to shoe horn a ton of
stuff into the ISA, as well as fit 16 bit compressed in as well.

L.
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