Hacker News with Generative AI: New Features

Python’s new t-strings (davepeck.org)
Template strings, also known as t-strings, have been officially accepted as a feature in Python 3.14, which will ship in late 2025. 🎉
Python, Programming Languages, New Features
610 points by tambourine_man 5 days ago | 461 comments
Rust Any part 3: we have upcasts (pocoo.org)
As of Rust 1.86, this is finally fixed. The cast now works:
Rust, Programming Languages, Compiler Design, Software Development, New Features
174 points by jmillikin 27 days ago | 76 comments
Introducing command And commandfor In HTML (chrome.com)
Chrome 135 introduces new capabilities for providing declarative behaviour with the new command and commandfor attributes, enhancing and replacing the popovertargetaction and popovertarget attributes.
HTML, Web Development, Chrome, New Features
431 points by Kerrick 50 days ago | 249 comments
CSS Custom Functions are coming (bram.us)
Chrome is currently prototyping CSS Functions, which is very exciting!
Web Development, CSS, New Features
96 points by Fudgel 54 days ago | 83 comments
Firefox Profiles is enabled in 136 (mozilla.org)
Enable the profiles pref in Nightly by default
Firefox, Web Browsers, New Features, Software Updates
10 points by yoavm 79 days ago | 3 comments
Exploring PHP Lazy Objects: A Practical Implementation (dailyrefactor.com)
One of the new features in PHP 8.4 is Lazy Objects, which are part of the PHP OOP model.
PHP, Programming, Object-Oriented Programming, New Features
14 points by esher 145 days ago | 1 comments
Ranging over Functions in Go 1.23 (thegreenplace.net)
Go 1.23 shipped with a new major feature: ranging over functions (also known as "iterators"), per this proposal.
Go, Programming Languages, New Features, Software Development
26 points by mfrw 175 days ago | 1 comments
Free Threaded Python with Asyncio (changs.co.uk)
With the immanent release of Python 3.13, I wanted to look at the biggest changes coming to Python. I think by far the most exciting feature is free-threaded Python from PEP-703.
Python, Programming, Asyncio, New Features
19 points by rbanffy 199 days ago | 0 comments
Bluesky launches 60 second mp4, mpeg, webm and mov video clips with safety tools (bsky.social)
After much anticipation, you can now share videos on Bluesky! Let’s dive right into the quick facts.
Social Media, Video Sharing, New Features, Safety Tools
24 points by Terretta 226 days ago | 0 comments
Bluesky now has video support (bsky.social)
After much anticipation, you can now share videos on Bluesky! Let’s dive right into the quick facts.
Social Media, Video, New Features
14 points by purlane 227 days ago | 2 comments
CSS @property and the new style (ryanmulligan.dev)
The [`@property`](https://developer.mozilla.org/en-US/docs/Web/CSS/@property) at-rule recently gained support across all modern browsers, unlocking the ability to explicitly define a syntax, initial value, and inheritance for CSS custom properties.
CSS, Web Development, New Features
534 points by surprisetalk 234 days ago | 181 comments
New Inline autofill for cards and identities for Bitwarden (bitwarden.com)
Password Management, Security, Software, New Features
15 points by raybb 241 days ago | 0 comments
New in CSS: Relative Colors (stefanjudis.com)
CSS, Web Development, New Features
18 points by di 281 days ago | 0 comments
First impressions of Go 1.23's range-over-func feature (boldlygo.tech)
Programming Languages, Software Development, New Features
8 points by todsacerdoti 282 days ago | 0 comments
What's New in C# 13: Enhanced Params, Performance Boosts and New Extension Types (infoq.com)
C#, Programming Languages, Performance, New Features
39 points by almirvuk 330 days ago | 13 comments