Open Beta v7.4 | Please help testing and hardening the upcoming release

[MichaIng]

RC version	v7.4.2
v7.4.0 PR	#4566
v7.4.1 PR	#4577
v7.4.2 PR	#4583
Release plan	#4531
Release docs	TBD
Raw changelog	https://github.com/MichaIng/DietPi/blob/beta/CHANGELOG.txt
Code changes	master...beta
Release date	2021-07-24

How to apply: https://github.com/MichaIng/DietPi/blob/master/BRANCH_SYSTEM.md

Related/solved issues: https://github.com/MichaIng/DietPi/issues?q=is%3Aissue+milestone%3Av7.4

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Beta v7.4.2

(2021-07-24)

Changes

• DietPi-Update | A new live patching system has been implemented. This allows us to ship little fixes and updates, that are safe to apply with a one-line command, until the next DietPi version is released. Live patches are checked for together with DietPi updates and a notification is shown in the login banner as well, when new live patches have been found. When available, each patch can be individually applied or dismissed and the login banner won't bother you again about patches that you have seen in the dietpi-update menu already, regardless whether you applied them or not.
• DietPi-Globals | G_AGUP: Our "apt-get update" wrapper will now throw an error, when some index files couldn't be downloaded, e.g. due to DNS failure. Currently "apt-get update" prints a warning but does not return an error code. It is better to have an error handler prompt here, where we have an associated command output, than later when package installs or upgrades fail because of outdated information or missing list files.
• DietPi-Software | Home Assistant: On ARMv6/7, piwheels.org is now used within pyenv, which ships pre-compiled wheels for many Python modules and by this speeds up the installation, first service start and install of new integrations.
• DietPi-Software | myMPD: Updated config steps to work with the new myMPD v8.0.0. Many thanks to @jcorporation for informing us about this major update and how to adjust our config steps: myMPD v8.0.0 has no mympd.conf #4562
• DietPi-Software | Komga: Obsolete entries have been removed from the default config and file hashing will be disabled on new installs. Many thanks to @quyentruong for contributing this change: Update Komga new setting for v0.107.0 #4570

New Software

• Synapse | A Matrix homeserver implementation has been added with software ID 125.
• PostgreSQL | A persistent advanced object-relational database server has been added with software ID 194.
• youtube-dl | The famous command-line program to download videos from YouTube and other video platforms has been added to DietPi-Software with ID 195.

Fixes

• Debian Stretch | Since Armbian dropped support for Debian Stretch from their APT repository, Armbian-based Stretch systems will have their APT sources adjusted to pull kernel, device tree, bootloader and firmware packages from the Armbian Buster suite. These are compatible with all Debian versions and have no dependencies or depandants which could cause conflicts.
• DietPi-Set_swapfile | Resolved an issue where remounting the /tmp tmpfs filesystem failed, if another filesystem type was mounted at /tmp. This could be especially the case during DietPi-PREP image creation. Many thanks to @timocapa for reporting this issue: OrangePi Zero not booting anymore after converting to DietPi #4573 (comment)
• DietPi-Software | X.Org X Server: Resolved an issue where the X server failed on PINE A64 as the wrong DDX driver packages were installed. Many thanks to @exadeci for reporting this issue: Libump capitalization error on LXDE install #4541
• DietPi-Software | PaperMC: Resolved an issue where the install of Geyser and Floodgate plugins failed as the download link changed.
• DietPi-Software | Home Assistant: Resolved an issue where install on ARMv6/7 failed if g++ was not installed.
• DietPi-Software | Pi-hole: Resolved an issue where local/LAN access via IPv6 was blocked, when the option to block public access to the admin panel was selected. This does not work when global unicast IPv6 addresses (GLA) are used within the LAN, hence unique local addresses (ULA) need to be enabled and used to access the Pi-hole admin panel. Many thanks to @dunxd for reporting this issue: PiHole admin pages 403 Forbidden via FQDN/admin after enabling ipv6 #4575

[MichaIng]

DietPi v7.4 has been released. Many thanks to all testers ❤️ !