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Thursday, June 18th, 2020

    Time Event
    1:26a
    [$] LWN.net Weekly Edition for June 18, 2020
    The LWN.net Weekly Edition for June 18, 2020 is available.
    12:33p
    Security updates for Thursday
    Security updates have been issued by Debian (drupal7 and python-django), Fedora (glib-networking, kernel, kernel-headers, and nghttp2), openSUSE (adns, chromium, file-roller, and libEMF), SUSE (java-1_7_1-ibm), and Ubuntu (bind9 and nss).
    1:42p
    Krita 4.3.0 released
    Version 4.3.0
    of the Krita painting application is out. "There’s a whole new set
    of brush presets that evoke watercolor painting. There’s a color mode in
    the gradient map filter and a brand new palettize filter and a high pass
    filter. The scripting API has been extended. It’s now possible to adjust
    the opacity and lightness on colored brush tips separately. You can now
    create animated brush tips that select brush along multiple
    dimensions. We’ve made it possible to put the canvas area in a window of
    its own, so on a multi monitor setup, you can have all the controls on one
    monitor, and your images on the other. The color selector has had a big
    update. There’s a new snapshot docker that stores states of your image, and
    you can switch between those. There’s a brand new magnetic selection
    tool. Gradients can now be painting as spirals.    "
    3:21p
    [$] Simple IoT Devices using ESPHome
    ESPHome is a project that brings together two recent subjects at LWN: The open-source smart hub Home Assistant, and the Espressif
    ESP8266 microcontroller    . With this project, smart home devices can be created and integrated quickly — without needing to write a single line of code.
    4:22p
    Stable kernel 5.7.4
    The 5.7.4 stable kernel has been released.
    It contains a single fix for
    a problem
    introduced in the rework of the VDSO clock code that affects paravirtualized
    guests. Users should upgrade.
    9:35p
    [$] Rethinking the futex API
    The Linux futex()
    system call is a bit of a strange beast. It is widely used to provide
    low-level synchronization support in user space, but there is no wrapper
    for it in the GNU C Library. Its implementation was meant to be simple,
    but kernel developers have despaired at the complex beast that it has
    become, and few dare to venture into that code. Recently, though, a new
    effort has begun to rework futexes; it is limited to a new system-call
    interface for now, but the plans go far beyond that.

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