LineageOS Team to Report on Project Updates

Since March, the number of assemblies provided by the project replaced CyanogenMode has increased to 36 devices
03 July 2019   722

The developers of the LineageOS project, which replaced CyanogenMod after abandoning the project of Cyanogen Inc, published a report on the development of the LineageOS 16 branch based on the Android 9 platform. Since March, the number of assemblies provided by the project has increased to 36 devices. Recent changes are noted:

  • AOSP’s Night Display now controls night mode (on recent devices only, such as those with a Snapgragon 820 or more recent)
  • LiveDisplay remains available for all its other features
  • The volume panel can now be expanded to control all the various volume streams
  • The volume panel can now be optionally relocated to the left
  • Expanded quick settings are back
  • Detailed views for the following tiles are available: Wi-Fi, Bluetooth, Mobile Data, Location, Profiles
  • New default wallpaper and a new wallpapers app with many new, and old, wallpapers
  • Other than the usual nature, urban and abstract themed wallpapers, monochromatic and gradients wallpapers are now available
  • Privacy Guard now supports apps in the Work Profile
  • It’s possible to add up to two LockScreen shortcuts again
  • Circle battery is back after being missing since LineageOS 13.0
  • Notification ringtone level can be unlinked from phone calls ringtone level
  • GPS battery saving mode can now be enabled from the Settings
  • Vim has been updated to version 8.1
  • Nano has been updated to version 4.2
  • Fixed issue were using certain private DNS caused devices to crash thanks to backported fix from Q
  • Support for bluetooth SBC DualChannel HD has been added (both 15.1 and 16.0)
  • Performance improvements for Eleven (music player app) (both 15.1 and 16.0)
  • Updated call recording configurations (both 15.1 and 16.0)

Additionally, developers mark the termination of the formation of assemblies LineageOS 15.1 for Google Nexus 4, Asus Zenfone Max Pro M1, Nvidia Shield Tablet, Samsung Galaxy S9, Samsung Galaxy S9 + and ZTE Axon 7.

Get more info at official website.

Linux 5.3 Kernel to be Released

Huge amount of updates, improvements, changes and new features awaits all Linux users
17 September 2019   258

After two months of development, Linus Torvalds introduced the Linux 5.3 kernel release. Among the most notable changes: support for AMD Navi GPUs, Zhaoxi processors, and Intel Speed ​​Select power management technology, the ability to use umwait instructions to wait without using loops, increasing the interactivity utilization clamping mode for asymmetric CPUs, the pidfd_open system call, the ability to use IPv4 addresses from the subnet 0.0.0.0/8, the possibility of hardware acceleration of nftables, support for HDR in the DRM subsystem, integration of the ACRN hypervisor.

In the announcement of the new release, Linus reminded all developers of the main rule of kernel development - maintaining the invariance of behavior for user space components. Changes in the kernel should in no way violate already running applications and lead to user-level regressions. At the same time, a violation of behavior can cause not only a change in the ABI, removal of outdated code or errors, but also an indirect effect of correctly working useful improvements. As a good example, the useful optimization in Ext4 code was discarded, which reduces the number of accesses to the drive by disabling the read-ahead inode table for small I / O requests.

Optimization has led to the fact that, due to a decrease in disk activity, the entropy for the random number generator getrandom () began to accumulate more slowly and in some configurations, under certain circumstances, there could be hangs during loading until the entropy pool is full. Since the optimization is really useful, a discussion arose among the developers, in which it was proposed to eliminate the problem by disabling the default blocking mode of the getrandom () call with the addition of an optional flag to wait for entropy, but such a change will affect the quality of random numbers at the initial stage of loading. In the change rollback commit, Linus noted that he plans to bring the optimization back as soon as the problem with getrandom () is resolved.

The new version adopted 15794 patches from 1974 developers, the patch size is 92 MB (the changes affected 13986 files, 258419 lines of code were added, 599137 lines were deleted). About 39% of all the changes presented in 5.3 are related to device drivers, about 12% of changes are related to updating the code specific to hardware architectures, 11% are connected to the network stack, 3% to file systems and 3% to internal kernel subsystems.

Get more information about the new features and from the mailing.