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&os; &release.current; Release Notes The &os; Project $FreeBSD$ 2020 The &os; Documentation Project &tm-attrib.freebsd; &tm-attrib.ibm; &tm-attrib.ieee; &tm-attrib.intel; &tm-attrib.sparc; &tm-attrib.general; The release notes for &os; &release.current; contain a summary of the changes made to the &os; base system on the &release.branch; development line. This document lists applicable security advisories that were issued since the last release, as well as significant changes to the &os; kernel and userland. Some brief remarks on upgrading are also presented. Introduction This document contains the release notes for &os; &release.current;. It describes recently added, changed, or deleted features of &os;. It also provides some notes on upgrading from previous versions of &os;. The &release.type; distribution to which these release notes apply represents the latest point along the &release.branch; development branch since &release.branch; was created. Information regarding pre-built, binary &release.type; distributions along this branch can be found at &release.url;. The &release.type; distribution to which these release notes apply represents a point along the &release.branch; development branch between &release.prev; and the future &release.next;. Information regarding pre-built, binary &release.type; distributions along this branch can be found at &release.url;. This distribution of &os; &release.current; is a &release.type; distribution. It can be found at &release.url; or any of its mirrors. More information on obtaining this (or other) &release.type; distributions of &os; can be found in the Obtaining &os; appendix to the &os; Handbook. All users are encouraged to consult the release errata before installing &os;. The errata document is updated with late-breaking information discovered late in the release cycle or after the release. Typically, it contains information on known bugs, security advisories, and corrections to documentation. An up-to-date copy of the errata for &os; &release.current; can be found on the &os; Web site. This document describes the most user-visible new or changed features in &os; since &release.prev;. In general, changes described here are unique to the &release.branch; branch unless specifically marked as &merged; features. Typical release note items document recent security advisories issued after &release.prev;, new drivers or hardware support, new commands or options, major bug fixes, or contributed software upgrades. They may also list changes to major ports/packages or release engineering practices. Clearly the release notes cannot list every single change made to &os; between releases; this document focuses primarily on security advisories, user-visible changes, and major architectural improvements. Upgrading from Previous Releases of &os; Binary upgrades between RELEASE versions (and snapshots of the various security branches) are supported using the &man.freebsd-update.8; utility. The binary upgrade procedure will update unmodified userland utilities, as well as unmodified GENERIC kernels distributed as a part of an official &os; release. The &man.freebsd-update.8; utility requires that the host being upgraded have Internet connectivity. Source-based upgrades (those based on recompiling the &os; base system from source code) from previous versions are supported, according to the instructions in /usr/src/UPDATING. Upgrading &os; should only be attempted after backing up all data and configuration files. Security and Errata This section lists the various Security Advisories and Errata Notices since &release.prev;. Security Advisories Advisory Date Topic No advisories.     Errata Notices Errata Date Topic No notices.     Userland This section covers changes and additions to userland applications, contributed software, and system utilities. Userland Configuration Changes   Userland Application Changes   Contributed Software -   + The &man.tcsh.1; utility has been + updated to version 6.21.00. + + The &man.less.1; utility has been + updated to version v551. + + The &man.libbsdxml.3; library has + been updated to version 2.2.9. + + The &man.resolvconf.8; utility has + been updated to version 3.9.2. + + The &man.pcap.3; library has been + updated to version 1.9.1. + + The &man.tcpdump.1; utility has been + updated to version 4.9.3. + + The &man.mtree.8; utility has been + updated to address an issue with -f not + considering type changes, fix username logic with + -c when &man.getlogin.2; fails, and to fix + -O not descending when a hash collision + occurs. + + The + Elf Tool Chain has been updated to upstream revision + r3769. + + The &man.xz.1; utility has been updated + to version 5.2.5. + + The timezone database files have been + updated to version 2020a. + + The &man.unbound.8; utility has been + updated to version 1.10.1. + + The &man.libarchive.3; library has been + updated to version 3.4.3. + + The private + apr library has been updated to + version 1.7.0. + + The + svn{,lite} utility has been updated + to version 1.14.0 LTS. + + The &man.ntpd.8; suite of utilities have + been updated to version 4.2.8p15. + + The &man.file.1; utility has been + updated to version 5.39. + + The &man.bc.1; utility has been updated + to version 3.1.1. + + The private + sqlite3 utility has been updated to + version 3.32.3. + + The BSD &man.make.1; + utility has been updated to version 20200719. + + The Sendmail + utility has been updated to version 8.16.1. + + The &man.nc.1; utility has been updated + to include a new --sctp flag. + + The clang, + llvm, + lld, + lldb, + compiler-rt utilities and + libc++ have been updated to version + 10.0.1. Deprecated Applications -   + The &man.amd.8; utility has been marked + as deprecated, and targed for removal in + &os; 13.0. Runtime Libraries and API   Kernel This section covers changes to kernel configurations, system tuning, and system control parameters that are not otherwise categorized. General Kernel Changes   Devices and Drivers This section covers changes and additions to devices and device drivers since &release.prev;. Device Drivers   Storage This section covers changes and additions to file systems and other storage subsystems, both local and networked. General Storage   Boot Loader Changes This section covers the boot loader, boot menu, and other boot-related changes. Boot Loader Changes   Networking This section describes changes that affect networking in &os;. General Network   Ports Collection and Package Infrastructure This section covers changes to the &os; Ports Collection, package infrastructure, and package maintenance and installation tools. Packaging Changes   General Notes Regarding Future &os; Releases Default <varname>CPUTYPE</varname> Change Starting with &os;-13.0, the default CPUTYPE for the &arch.i386; architecture will change from 486 to 686. This means that, by default, binaries produced will require a 686-class CPU, including but not limited to binaries provided by the &os; Release Engineering team. &os; 13.0 will continue to support older CPUs, however users needing this functionality will need to build their own releases for official support. As the primary use for i486 and i586 CPUs is generally in the embedded market, the general end-user impact is expected to be minimal, as new hardware with these CPU types has long faded, and much of the deployed base of such systems is nearing retirement age, statistically. There were several factors taken into account for this change. For example, i486 does not have 64-bit atomics, and while they can be emulated in the kernel, they cannot be emulated in the userland. Additionally, the 32-bit amd64 libraries have been i686 since their inception. As the majority of 32-bit testing is done by developers using the lib32 libraries on 64-bit hardware with the COMPAT_FREEBSD32 option in the kernel, this change ensures better coverage and user experience. This also aligns with what the majority of &linux; distributions have been doing for quite some time. This is expected to be the final bump of the default CPUTYPE in &arch.i386;. This change does not affect the &os; 12.x or 11.x series of releases.