[Twisted-Python] Twisted 17.5.0rc2 RC Announcement

[Paul Tremberth]

Hi Amber,

I have tested Twisted 17.5.0rc2 with latest Scrapy:

- the issue we have with our resolver in Python 2 looks fixed indeed, thank
you for this (https://twistedmatrix.com/trac/ticket/9137)

> - Support for OpenSSL 1.1.0.

- I tested with OpenSSL 1.1 and am still seeing what I reported on the
mailing list, about elliptic curves:
https://twistedmatrix.com/pipermail/twisted-web/2017-April/005293.html

is there a chance of getting it fixed too in 17.5?

- I also commented on GitHub about issues with ESMTPSenderFactory and
Python 3
with a couple of fixes I tried locally in twisted/mail/smtp.py
(but I did not open a ticket on Trac unfortunately so it may have been
unnoticed)
https://github.com/scrapy/scrapy/issues/2375#issuecomment-299226510


Thanks.

/Paul

On Fri, May 26, 2017 at 8:35 AM, Amber Brown <hawkowl at atleastfornow.net>
wrote:

> Hi everyone,
>
> Fresh from PyCon US, comes a 17.5 prerelease. Fancy things in this release:
>
> - twisted.python.url has been spun out into the new 'hyperlink' package;
> importing twisted.python.url is now a compatibility alias
> - Support for OpenSSL 1.1.0.
> - Fixes around the reactor DNS resolver changes in 17.1, solving all known
> regressions
> - Deferred.asFuture and Deferred.fromFuture, to allow you to map asyncio
> Futures to Twisted Deferreds and vice versa, for use the with Python 3+
> asyncioreactor in Twisted
> - Support for TLS 1.3 ciphersuites, in advance of a released OpenSSL to
> enable the protocol
> - Further Python 3 support in twisted.web, initial support in
> twisted.mail.smtp
>
> Please see the NEWS.rst file and download the tarball at
> https://twistedmatrix.com/Releases/rc/17.5.0rc2/ . (rc1 fell to metadata
> mishaps!)
>
> Let me know if you notice anything out of the ordinary. If there's no
> problems, it'll release in the next week or so.
>
> Twisted Regards,
>
> Amber Brown (HawkOwl)
>
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