4月にリリースされたYocto3.1LTS(Dunfell)の最初のポイントリリース、3.1.1 公開のアナウンスが
2020年6月18日付けてありました。
2020年6月8日にコミットされたものがQAを経てのリリースとなっています。
次回のポイントリリース3.1.2は、2020年9月25日を予定しています。

現時点では、リリース版作成以降の更新は発生していません。

本リリースの詳細は以下のURLでご確認ください。
https://lists.yoctoproject.org/g/yocto-announce/message/191

・主な変更点
LTSカーネル　5.4.27 → 5.4.43
セキュリティFix
上記を除く既知の問題点のFix
ドキュメントの更新（古い内容の削除、最近追加された機能の記載等）

----------------
Security Fixes
----------------
libexif: fix CVE-2020-13114
bind: fix CVE-2020-8616/7
qemu: fix CVE-2020-11869
webkitgtk: update to 2.28.2 to fix multiple CVE's
sqlite: backport CVE fixes
icu: CVE-2020-10531
python3: fix CVE-2020-8492

----------------
Fixes
----------------
build-appliance-image: Update to dunfell head revision
build-appliance: Update branch to point at dunfell
build-appliance-image: Update to dunfell head revision
poky.conf: Bump version for 3.1.1 dunfell release
bitbake: toaster-requirements.txt: require Django 2.2
bitbake: bitbake-user-manual-metadata.xml: fix a minor error
bitbake: doc: More explanation to tasks that recursively depend on themselves
bitbake: doc: Clarify how task dependencies relate to RDEPENDS
bitbake: user manual: properly tag content as <replaceable>
bitbake: docs: delete reference to obsolete recipe-depends.dot
Documentation: Add 3.1.1 version updates missing from previous commit
layer.conf: Bump OE-Core layer version
python3-pyelftools: Upgrade 0.25 -> 0.26
python3-pycryptodome(x): Upgrade 3.9.4 -> 3.9.7
pyelftools: Import from meta-python
pycryptodome: Import from meta-python
linux-yocto/5.4: update to v5.4.43
linux-yocto: gather reproducibility configs into a fragment
linux-yocto/5.4: temporarily revert IKHEADERS in standard kernels
linux-yocto-rt/5.4: update to rt24
linux-yocto/5.4: update to v5.4.42
kernel/reproducibility: kernel modules need SOURCE_DATE_EPOCH export
linux-yocto/5.4: update to v5.4.40
linux-yocto/5.4: update to v5.4.38
qemuarm: check serial consoles vs /proc/consoles
sstate.bbclass: When siginfo or sig files are missing, stop fetcher errors
make-mod-scripts: Fix a rare build race condition
qemurunner: fix ip fallback detection
libubootenv: Remove the DEPENDS on mtd-utils
terminal.py: do not stop searching for auto
resulttool/log: Add ability to dump ltp logs as well as ptest
resulttool/report: Remove leftover debugging
archiver.bbclass: Fix duplicated SRC_URIs for do_ar_original
sanity.bbclass: Detect and fail if 'inherit' is used in conf file
oeqa/concurrencytest: don't delete build directory for failed tests
checklayer: Skip layers without a collection
cve-check: Run it after do_fetch
Documenation: Prepared for the 3.1.1 release
ref-manual: delete long-unused comments in variable glossary
ref-manual: Remove long-dead PACKAGE_GROUP variable
ref-manual: typo "SSTATE_MIRROR" -> "SSTATE_MIRRORS"
ref-manual: IMAGE_TYPES, add tar.zst, delete elf
ref-manual: fix excessive command indentation
avahi: Don't advertise example services by default
wireless-regdb: Upgrade 2019.06.03 -> 2020.04.29
git: Upgrade 2.24.1 -> 2.24.3
file: add bzip2-replacement-native to DEPENDS to fix sstate issue
testresults.json: add duration of the tests as well
base/insane: Check pkgs lics are subset of recipe lics only once
libubootenv: Depend on zlib
make-mod-scripts: Fix dependence error.
linux-firmware: Update to 20200122 -> 20200421
recipes-kernel/linux-firmware: Add adreno-a630 firmware package
recipes-kernel/linux-firmware: Add wlanmdsp.mbn to qcom-modem package
python3-setuptools: add the missing rdepends
archiver.bbclass: Make do_deploy_archives a recursive dependency
bison: fix the parallel build
gcr: depends on gnupg-native
poky: Add Ubuntu 20.04 as a supported distro
file: add PACKAGECONFIG for auto options
selftest/imagefeatures: Enable sanity test for IMAGE_GEN_DEBUGFS
pseudo: Fix enum typedef
meson.bbclass: Close the log file after reading
pypi.bbclass: use new pypi UPSTREAM_CHECK_URI
pypi.bbclass: mind package suffix on version check
bitbake.conf: Prevent git from detecting parent repo in recipe
python3-setuptools: add the missing rdepends
scripts/tiny/ksize: Fix for more recent kernels
wget: improve reproducible build
sstate.bbclass: Do not fail if files cannot be touched
opkg-keyrings: check if opkg-key exists before run postinst
connman: Include vpn-script in FILES
documentation.conf: Add variables supported by features_check.bbclass
libnewt: Backport patch to fix reproducibility
re2c: correct upstream location
cdrtools-native: fix upstream version check
meson: fix upstream version check
linux-yocto/5.4: update to v5.4.34
linux-yocto/5.4: update to v5.4.32
linux-yocto/5.4: update to v5.4.28
musl: Remove spurious unused patch
os-release: sanitize required fields
util-linux: fix build error in kill
timezone: upgrade 2019c -> 2020a
openssl: upgrade 1.1.1f -> 1.1.1g
iputils: Initialize libgcrypt
gcc-target: Ensure buildtools-extended-tarball doesn't use arch=native
pseudo: add macro guard for seccomp
libffi: fix v3.3 compile on ppc64le
buildtools-extended-tarball: add libgomp-dev
oeqa/qemurunner: Clean up failure handling
targetcontrol: Fix leaking log handler
staging: Fix overlapping file failures
oeqa/selftest: Add test for conflicting sysroot provider
scripts/install-buildtools: bump to 3.1 release by default
run-postinsts: Set RemainAfterExit on systemd unit
testimage.bbclass: correctly process SIGTERM
perl: Add missing dependency for tie-hash on carp.
boost: revert 1.72.0 regression
vim: do not adjust script paths building for target
insane.bbclass: Add test for shebang line length
binutils: Install PIC version of libiberty.a
binutils: Detect proper static-libstdc++ support when using clang
gcc: Configure all gccs with --disable-install-libiberty
packagegroup-go-sdk-target: Add go to packagegroup
go: Rely on go-runtime to provide needed modules
packagegroup-go-sdk-target: Enable on rv64
pbzip2: Fix license warning
busybox: Correct the name of the bzip2 license
bzip2/pbzip2: Correct license information
parselogs.py: ignore pulseaudio startup warning messages
buildtools-tarball: add nativesdk-mtools for `wic ls'
alsa-state: ignore 'No soundcards found' error in pkg_postinst
python3-manifest.json: add pathlib to core
ell: upgrade 0.30 -> 0.31
gnutls: upgrade 3.6.12 -> 3.6.13
tzdata: remove exit 0 from pkg_postinst
ruby: Link with libucontext on musl
libucontext: Bring in mips/mips64 support
buildtools-extended-tarball: Add libstc++.a
nativesdk-gcc-runtime: enable building libstdc++.a
qemu-system-native: Fix commented out PACKAGECONFIG
kernel-yocto.bbclass: Fix deps when externalsrc is used
u-boot.inc: install u-boot-initial-env as ${PN}-initial-env in $D and $DEPLOYDIR
bitbake: data_smart: Handle hashing of datastores within datastores correctly
bitbake: cache: Fix performance problem with large numbers of source files
bitbake: fetch2/wget: Set User-Agent when checking status of a URL
bitbake: tinfoil: fix config_data mess up insane check while parsing multiple recipes
Updated patch for publishing
Added usrmerge to distro-features for Bug 13494
ref-manual: correct "script" dirname to "scripts"
dev-manual: remove postinst false statement
ref-manual: add migration section for 3.1
dev-manual: basic updates for npm fetcher changes