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Release Date: Dec. 7, 2020
This is the first maintenance release of Python 3.9
Tenille Arts is celebrating a history-making No.1 single this week with her breakout hit, “Somebody Like That,” which has reached the top spot on the Mediabase/Country Aircheck. Minimum system requirements call for Mac OS X v10.1.5 or Mac OS X v10.2.3 or later, including Mac OS X v10.3. A G3/350MHz or faster Mac is also required, along with 192MB RAM, 150MB hard disk.
Python 3.9.1 is the newest major release of the Python programming language, and it contains many new features and optimizations. We've made 282 changes since 3.9.0 which is a significant amount. To compare, 3.8.1 only saw 192 commits since 3.8.0.
Installer news
3.9.1 is the first version of Python to support macOS 11 Big Sur. With Xcode 11 and later it is now possible to build “Universal 2” binaries which work on Apple Silicon. We are providing such an installer as the
macos11.0
variant. This installer can be deployed back to older versions, tested down to OS X 10.9. As we are waiting for an updated version of pip
, please consider the macos11.0
installer experimental.This work would not have been possible without the effort of Ronald Oussoren, Ned Deily, and Lawrence D’Anna from Apple. Thank you!
Morning (jack Mordred) Mac Os Update
This is the first version of Python to default to the 64-bit installer on Windows. The installer now also actively disallows installation on Windows 7. Python 3.9 is incompatible with this unsupported version of Windows.
Major new features of the 3.9 series, compared to 3.8
Some of the new major new features and changes in Python 3.9 are:
- PEP 573, Module State Access from C Extension Methods
- PEP 584, Union Operators in
dict
- PEP 585, Type Hinting Generics In Standard Collections
- PEP 593, Flexible function and variable annotations
- PEP 602, Python adopts a stable annual release cadence
- PEP 614, Relaxing Grammar Restrictions On Decorators
- PEP 615, Support for the IANA Time Zone Database in the Standard Library
- PEP 616, String methods to remove prefixes and suffixes
- PEP 617, New PEG parser for CPython
- BPO 38379, garbage collection does not block on resurrected objects;
- BPO 38692, os.pidfd_open added that allows process management without races and signals;
- BPO 39926, Unicode support updated to version 13.0.0;
- BPO 1635741, when Python is initialized multiple times in the same process, it does not leak memory anymore;
- A number of Python builtins (range, tuple, set, frozenset, list, dict) are now sped up using PEP 590 vectorcall;
- A number of Python modules (_abc, audioop, _bz2, _codecs, _contextvars, _crypt, _functools, _json, _locale, operator, resource, time, _weakref) now use multiphase initialization as defined by PEP 489;
- A number of standard library modules (audioop, ast, grp, _hashlib, pwd, _posixsubprocess, random, select, struct, termios, zlib) are now using the stable ABI defined by PEP 384.
You can find a more comprehensive list in this release's 'What's New' document.
More resources
- PEP 596, 3.9 Release Schedule
- Report bugs at https://bugs.python.org.
- Help fund Python and its community.
And now for something completely different
Arthur (Eric Idle): Good morning, I'd like to buy a book please.
Bookseller (John Cleese): Oh, well I'm afraid we don't have any. (trying to hide them)
Arthur: I'm sorry?
Bookseller: We don't have any books. We're fresh out of them. Good morning.
Arthur: What are all these?
Bookseller: All what? Oh! All these, ah ah ha ha. You're referring to these.. books.
Arthur: Yes.
Bookseller: They're um.. they're all sold. Good morning.
Arthur: What all of them?
Bookseller: Every single man-Jack of them. Not a single one of them in an unsold state. Good morning.
Arthur: Wait a minute, there's something going on here.
Bookseller: What, where? You didn't see anything did you?
Arthur: No, but I think there's something going on here.
Bookseller: No no, well there's nothing going on here at all (shouts off) and he didn't see anything. Good morning.
Arthur: Oh, well, I'd like to buy a copy of an 'Illustrated History of False Teeth'.
Bookseller: My God you've got guts.
Arthur: What?
Bookseller:(pulling gun) Just how much do you know?
Arthur: What about?
Bookseller: Are you from the British Dental Association?
Arthur: No I'm a tobacconist.
Bookseller: Stay where you are. You'll never leave this bookshop alive.
Arthur: Why not?
Bookseller: You know too much, my dental friend.
Arthur: I don't know anything.
Bookseller: Come clean. You're a dentist aren't you.
Arthur: No, I'm a tobacconist.
Bookseller: A tobacconist who just happens to be buying a book on teeth?
Bookseller (John Cleese): Oh, well I'm afraid we don't have any. (trying to hide them)
Arthur: I'm sorry?
Bookseller: We don't have any books. We're fresh out of them. Good morning.
Arthur: What are all these?
Bookseller: All what? Oh! All these, ah ah ha ha. You're referring to these.. books.
Arthur: Yes.
Bookseller: They're um.. they're all sold. Good morning.
Arthur: What all of them?
Bookseller: Every single man-Jack of them. Not a single one of them in an unsold state. Good morning.
Arthur: Wait a minute, there's something going on here.
Bookseller: What, where? You didn't see anything did you?
Arthur: No, but I think there's something going on here.
Bookseller: No no, well there's nothing going on here at all (shouts off) and he didn't see anything. Good morning.
Arthur: Oh, well, I'd like to buy a copy of an 'Illustrated History of False Teeth'.
Bookseller: My God you've got guts.
Arthur: What?
Bookseller:(pulling gun) Just how much do you know?
Arthur: What about?
Bookseller: Are you from the British Dental Association?
Arthur: No I'm a tobacconist.
Bookseller: Stay where you are. You'll never leave this bookshop alive.
Arthur: Why not?
Bookseller: You know too much, my dental friend.
Arthur: I don't know anything.
Bookseller: Come clean. You're a dentist aren't you.
Arthur: No, I'm a tobacconist.
Bookseller: A tobacconist who just happens to be buying a book on teeth?
Version | Operating System | Description | MD5 Sum | File Size | GPG |
---|---|---|---|---|---|
Gzipped source tarball | Source release | 429ae95d24227f8fa1560684fad6fca7 | 25372998 | SIG | |
XZ compressed source tarball | Source release | 61981498e75ac8f00adcb908281fadb6 | 18897104 | SIG | |
macOS 64-bit Intel installer | Mac OS X | for macOS 10.9 and later | 74f5cc5b5783ce8fb2ca55f11f3f0699 | 29795899 | SIG |
macOS 64-bit universal2 installer | Mac OS X | for macOS 10.9 and later, including macOS 11 Big Sur on Apple Silicon (experimental) | 8b19748473609241e60aa3618bbaf3ed | 37451735 | SIG |
Windows embeddable package (32-bit) | Windows | 96c6fa81fe8b650e68c3dd41258ae317 | 7571141 | SIG | |
Windows embeddable package (64-bit) | Windows | e70e5c22432d8f57a497cde5ec2e5ce2 | 8402333 | SIG | |
Windows help file | Windows | c49d9b6ef88c0831ed0e2d39bc42b316 | 8787443 | SIG | |
Windows installer (32-bit) | Windows | dde210ea04a31c27488605a9e7cd297a | 27126136 | SIG | |
Windows installer (64-bit) | Windows | Recommended | b3fce2ed8bc315ad2bc49eae48a94487 | 28204528 | SIG |
The latest version of Apple's macOS comes with more than just a slew of fancy new features.
![Mac Mac](https://i.pinimg.com/originals/33/11/64/33116469476ab9dd6f158e663370b7f1.jpg)
Buried inside macOS 11.3, which was released Monday morning, is a patch that fixes a critical vulnerability that was actively being exploited. This means that, yes, hackers or criminals or governments around the world were using this previously unreported bug for their own malicious ends.
That's according to Patrick Wardle, creator of the Mac security website and tool suite . In a blog post timed to coincide with the release of macOS 11.3, Wardle explains just how serious the now-patched vulnerability is.
'This bug trivially bypasses many core Apple security mechanisms, leaving Mac users at grave risk,' he writes.
Worryingly, Wardle and Jamf, a company that makes Apple management software for enterprise customers, were able to detect real malware exploiting this bug in the wild.
How to install android studio in macbook. We reached out to Apple to both confirm Wardle's report and that macOS 11.3 contains a patch for this specific vulnerability. An Apple spokesperson confirmed that the latest version of macOS does include a fix for the underlying issues.
Discovered and reportedby Cedric Owens, an offensive security researcher, the bug — a logic flaw — reportedly allows a bad actor to bypass Apple's File Quarantine and Notarization requirements. It also, according to Apple, allows malware to skip the display of the Gatekeeper dialogue box but not bypass XProtect, Gatekeeper's malware detection, itself.
Why is this such a big deal?
'When a user downloads and opens an app, a plug-in, or an installer package from outside the App Store, Gatekeeper verifies that the software is from an identified developer, is notarized by Apple to be free of known malicious content, and hasn’t been altered,' explains an Apple support page. 'Gatekeeper also requests user approval before opening downloaded software for the first time to make sure the user hasn’t been tricked into running executable code they believed to simply be a data file.' Quick cad drawing.
Presumably, then, this bug allows malware to skip that latter part of the Gatekeeper process.
In other words, bad actors are able to use this exploit to render many of the protective measures your computer takes to ensure downloaded files aren't malware useless.
Wardle demonstrates what this looks like in practice with a quick proof-of-concept video. In the video, embedded below, he shows how a downloaded file — which, to the user, looks like a PDF file — launches the calculator app.
And while Mac users don't necessarily need to worry about their calculator apps, they should worry about supposed PDF files being able to launch random applications on their computers without a bunch of alarm bells going off.
A hacker, after all, won't be interested in simple addition and subtraction.
Instead, someone exploiting the vulnerability might be able to launch a hidden program that could be involved any number of worrisome activities — think ransomware, stealing credit card digits, or worse.
Wardle was quick to clarify that exploiting this bug requires a user to first click or download something. Still, that's only a partial assurance.
'The majority of Mac malware infections are a result of users (naively, or mistakenly) running something they should not,' explained Wardle over direct message. 'And while such infections, yes, do require user interaction, they are still massively successful. In fact the recently discovered Silver Sparrow malware, successfully infected over 30,000 Macs in a matter of weeks, even though such infections did require such user interactions.'
Thankfully, macOS 11.3 contains a fix — a fact Wardle says he was able to verify by reverse-engineering the latest operating system. 'And good news,' writes Wardle on his blog, 'once patched macOS users should regain full protection.'
SEE ALSO: How to stop your cell provider from sharing (some of) your data
Morning (jack Mordred) Mac Os Catalina
That's good news indeed.
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So go ahead and download macOS 11.3, and rest easy knowing that at least this specific Mac security problem has been fixed. Don't, however, throw all caution to the wind — please still think twice before downloading random files from the internet.