LWDW 343: A new cross-platform browser and real-time effects in Audacity

The developer behind SerenityOS is working on a new cross-platform browser, Audacity enables real-time effects, Threadripper Pro comes to System76 , and Raspberry Pi OS gets an update.


00:00 Intro
05:20 Ladybird cross-platform browser
10:35 Real-time effects for Audacity
15:12 System76 Threadripper Pro
31:54 Latest RasPi update

Ladybird: A new cross-platform browser project


  • He’s already written an entire OS. 
  • A browser should be easy. 
  • No JavaScript JIT comp but they have a traditional AST interpreter that is being replaced by a bytecode VM.
  • 100% on the ACID is a good first start. 
  • Q: Why bother? You can’t make a new browser engine without billions of dollars and hundreds of staff.
  • A: Sure you can. Don’t listen to armchair defeatists who never worked on a browser.
  • Our webzone is a bit of a fire but hacker news loads. 
  • Slashdot crashes the birb and zombocom doesn’t load. 
  • Browsers are hard. 
  • It is so exciting to see a new browser being built from the ground up.
  • You can support the project on GitHub Sponsors, Patreon or PayPal.
  • And if you’re interested in working on Ladybird, LibWeb, LibJS, or any part of the supporting stack, you can find it on the SerenityOS Discord.

Audacity 3.2.0 Beta


  • Added a new Effects button to the tracks menu. 
  • VST3 effects are now supported.
  • The following plugin formats are now realtime capable: VST3, LV2, LADSPA. 
  • It is really really crashy. 
  • No GUI for the VST plugins yet. 
  • Audacity can now be compiled without JACK present.
  • You lot need to clean up that build system. 
  • Kludge is a nice word for it. 
  • Well, it’s pronounced Conan. 
  • You know, the thing that likes to break every few months when it’s taking a break from generating obscure error messages. 
  • I won’t use the beta as my daily driver until the new features have become stable, but I like these new changes, and I will have fun playing with the real time effects.

System76 Threadripper Pro



  • Instead of an anemic 64 PCIe lanes you get the full 128 found in the Epyc line. 
  • Pick from 24/32/64 core options. 
  • No 12-core option because AMD is hiding the 3945WX from everyone but Lenovo for some reason. 
  • No 16-core option?
  • PCIe Gen 4
  • Dual 10G ethernet
  • And up to 4 dual-slot GPUs. 
  • I was told there were 7 x PCIe 4.0 x16 slots by an employee. 
  • The animation shows 4 slots. 
  • Consider updating that animation since TR Pro prebuilts with 4 usable slots exists. 
  • People in my camp are looking for the most lanes for the least buck.
  • I have a daily driver GPU, quad 4K capture card, another professional I/O card for monitoring and audio, and fiber card because 10g over copper is a fool’s errand.
  • I would like to slap in an A4000 at some point but that’s going to take a Pro. 
  • $6,717.00 for a 24-core with 32GB+ A4000 isn’t unreasonable but it is in EPYC territory. 
  • Last Friday System76 tweeted that the Thelio Mega is out, and that it is “the world’s smallest quad-GPU #deeplearning workstation.”
  • The Thelio Mega’s thermals and cooling are divided into two separate systems.
  • The unique airflows keep heat generated by the CPU and GPU from mixing and prevent throttling.
  • Specs:
    • Threadripper PRO 5000 WX-Series Processors
    • Asus Pro WS WRX80E-SAGE motherboard
    • Up to 256 GB of ECC Memory
    • PCIe 4.0 NVMe Storage
    • Up to 4 NVIDIA A-series or AMD Radeon Pro GPUs
    • 1600 Watt power supply to power all the components
  • This beautiful handcrafted machine starts at $5,799.00.

Raspberry Pi OS updates (RTheren)


  • A new version of Raspberry Pi OS has just been released with lots of improvements, and features asked for by Raspberry Pi users.
  • The main menu plugin on the taskbar has been modified to allow text searching.
    • Just hit the Raspberry key on your keyboard, or the Windows or Super key, to open the main menu, and start typing the name of the application you want to launch.
  • In previous releases, the volume icon on the taskbar could be used to select both output and input audio devices.
    • For this release, this has been split into two separate icons, one for output and one for input for greater control.
  • The new Picamera2 Python camera interface. is replacing the libcamera, and is easier to use.  More details to follow.
  • Keyboard shortcuts to access the WI-FI and Bluetooth menus.
    • Ctrl-Alt-B opens the Bluetooth menu, and Ctrl-Alt-W opens the Wi-Fi menu.
    • Once the menu is open, the cursor up and down keys can be used to navigate.
  • In the future NetworkManager will be replacing dhcpcd, but now you have the option to use NetworkManager.
    • dhcpcd is still the default for now.Thank you RTheren for bringing this to our attention!


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