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The new beta version is ready. It is mostly a bugfix release, the more significant upgrades are coming next month. You can download PhoenixMiner 6.2a from here:

PhoenixMiner_6.2a_Windows.zip
PhoenixMiner_6.2a_Linux.tar.gz

The new features in this release are:

Dual mining TON
Fixed an issue with expired SSL certificate that led to "certificate verify failed" errors when connecting to some pools (notably Ethermine) when using SSL connections
Full LHR disable mode -lhrdis <n> 1 - yes (default), 0 - no
Show the GPU vendor name in the list of GPUs to make it easier to identify the GPUs
Added support for the latest AMD Linux drivers 21.40.1. There are some bugs in these drivers, particularly the clocks and voltages can't be set properly with older
cards (RX4x0/RX5x0/Vega/RadeonVII)
Validated support for the latest AMD Windows drivers up to 21.11.2
Fixed issues with AMD RX6700XT cards with the latest AMD and Linux drivers
Fixed issues with AMD Vega and Radeon VII cards on latest Windows and Linux drivers
Fixed crash with very old Nvidia drivers (3xx.x)
Other fixes and small improvements

Known issues (driver incompatibilities, etc.) and workarounds:

The new Nvidia 3050 and 3080 12GB cards have different kind of LHR lock, which is not supported yet by PhoenixMiner.
When mining with LHR cards, the hashrate will start lower and will go up to its normal value in about 2-4 minutes (similar to the auto-tune process on AMD cards).
AMD Linux driver 21.40.1 has a bug preventing proper setting of clocks and voltages on older cards (RX4x0/RX5x0/Vega/RadeonVII). Given that these drivers are also usually slower than the older drivers for these cards, we recommend using Linux drivers 20.30 for anything older than RX6000 series.
If you are using Linux drivers 21.40.1 with Radeon VII cards, you need to add the option -fpwm 1 in order to have proper fan control.
AMD Linux drivers 21.40.1 has finally removed the requirement of PCIe atomics but there are problems when you try to mix Polaris (RX4x0/5x0) cards and Vega or newer cards on the same rig.
Some Nvidia cards will report a lot of stale shares under Windows 11. Using the same driver version under Windows 10 resolves the issue.