i found this forum about my bluetooth keyboard was not being recognized in LM 21 like before in LM 20.3. here is the way to get it to recognize and connect. https://forums.linuxmint.com/viewtopic.php?t=378335

Linux Mint Blog

Monthly News Sept 2022

https://blog.linuxmint.com/?p=4408

Summary:

* Linux Mint 21.1 Vera (based on Ubuntu 22.04 jammy) to be released around Christmas (Dec 2022)
* Updated Linux Mint user guide.
* Blueman updated to 2.3.2
* Timeshift 22.06.5 backported to Linux Mint 20.
* PPA key will be applicable to a PPA only and not globally.
* Driver Manager now runs in user mode, requires no password. It also removes configuration files completely when uninstalling a driver.
* Nvidia debconf issue in secure boot mode is now fixed.
* Packagekit now removes configuration files completely when removing a package.
* Driver manager can now install drivers in offline mode if supported media is detected.
* ISO verification tool added to check the integrity and authenticity of ISO images.
* Mint USB Tool now has verify ISO option. It will direct user to a webpage if it detects Windows ISO.
* These desktop icons will be removed in future Mint release due to less usage - Computer, Home, Trash, Network.

Linux Mint Monthly News – October 2022

https://blog.linuxmint.com/?p=4424

Summary:
- blueman updated to v2.3.4.
- fixed 2 bluetooth icons showing on the panel.
- uninstalling apps or flatpaks no longer needs password.
- removing shortcuts or local apps no longer needs password.
- synaptic and update manager will no longer ask passwords for multiple operations.
- update manager can now update flatpaks and their runtimes.
- cinnamon panel's show desktop icon is now replaced by a separator.
- show desktop applet now sits in the extreme right of the panel, occupying less space.
- selected files inside nemo file manager will only highlight the names instead of icon+name.
- desktop icon now correctly shows the correct panel position.
- desktop right click menu now shows display settings.

Linux Mint Monthly News – November 2022

https://blog.linuxmint.com/?p=4438

Summary:
- Bugs related to Launchpad, packagekit, aptdaemon are being fixed.
- Linux Mint 21.1 "Vera" Beta ISOs are now out.
- Linux Mint 21.1 "Vera" Stable ISOs should be out by December 2022.

Linux Mint 21.1 Beta ISOs (Cinnamon, MATE, XFCE)
https://ftp.heanet.ie/pub/linuxmint.com/testing

Linux Mint 21.1 Beta Bug Tracker
https://github.com/linuxmint/mint21.1-beta/issues

Linux Mint 21.1 Vera Beta ISO Release

Cinnamon:
Blog: https://blog.linuxmint.com/?p=4442
Changelog: https://www.linuxmint.com/rel_vera_cinnamon_whatsnew.php
ISO: https://mirror.rackspace.com/linuxmint/iso/testing/linuxmint-21.1-cinnamon-64bit-beta.iso


MATE:
Blog: https://blog.linuxmint.com/?p=4441
Changelog: https://www.linuxmint.com/rel_vera_mate_whatsnew.php
ISO: https://mirrors.layeronline.com/linuxmint/testing/linuxmint-21.1-mate-64bit-beta.iso

XFCE:
Blog: https://blog.linuxmint.com/?p=4440
Changelog: https://www.linuxmint.com/rel_vera_xfce_whatsnew.php
ISO: https://mirrors.layeronline.com/linuxmint/testing/linuxmint-21.1-xfce-64bit-beta.iso

Notable Changes in Linux Mint 21.1

- Theming improvements across Linux Mint.
- Accent colors are more vibrant
- Yellow is the default folder color
- Aqua is the default accent color
- Bibata is the default cursor theme, new cursor themes are added as well.
- Material Sounds v2 is the default sound theme.
- Old themes are available as "Legacy" under theming options.

Default Look of Linux Mint 21.1 Cinnamon

[GUIDE] How to upgrade from Linux Mint 21 to 21.1

https://blog.linuxmint.com/?p=4461

Linux Mint 21.2 "Victoria" based on Ubuntu 22.04 is under development.

Linux Mint Blog March 2023

https://blog.linuxmint.com/?p=4486

Linux Mint Monthly News – April 2023

https://blog.linuxmint.com/?p=4513

Summary

Visual Changes
- Tooltips have been added to the UI, will make use of accent colors.
- Cinnamon notifications will use accent colors and symbolic icons.

SecureBoot
- Upstream (Ubuntu) shim update broke secureboot support.
- Disable secureboot before installing Linux Mint.

Warpinator
- Now supports landlock and bubblewrap features for increased security

Upcoming Releases (ETA Unknown)
- Linux Mint 21.2 Regular ISO (Kernel 5.15)
- Linux Mint 21.2 Edge ISO (Kernel 5.19)
- LMDE 6 based on Debian 12 (Kernel 6.1)