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+# Release Notes for 2020.03
+
+This release includes major changes compared previous Freedom Unleashed SDK and thus is **experimental** at this stage. Main changes include:
+
+- Major software & firmware components updated to the newer versions:
+  
+  - kernel v5.5.7
+  
+  - U-Boot v2020.01
+  
+  - OpenSBI v0.6
+  
+  - GCC 9.2.0
+  
+  - binutils 2.34.0
+  
+  - glibc 2.31
+  
+  - GDB 9.1
+  
+  - Python 3.8.1
+
+- Full L2 cache (2MiB) is enabled (done within FSBL)
+
+- Support for PWM LEDS (D1, D2, D3, D4) for HiFive Unleashed (configured by udev rules)
+  
+  - D1: heartbeat
+  
+  - D2: SPI-NOR Flash I/O activity
+  
+  - D3: Network activity (eth0)
+  
+  - D4: uSD/MMC I/O activity
+
+- Added GPIO driver
+  
+  - incl. gpio-restart which enables to reboot the system from the user space
+
+- Enable SPI-NOR Flash as MTB block device
+
+- Allow checking for number of L2 ways enabled via sysfs
+
+- I2C is now built-in instead of being loadable module
+
+- Root account password is now "sifive"
+
+## Known Issues
+
+1. Avoid overclocking SOC using CPUFreq if you are using HiFive Unleashed Expansion Board from Microsemi as this will hang the board. Hard reset will be required.
+
+2. If Xfce4 desktop disk image is used with HiFive Unleashed Expansion Board and GPU then rebooting is required after the 1st boot.