Update README.md

README.md

@@ -26,6 +26,12 @@ Nevertheless, these configuration files are also applicable to devices without A
 * Create / try to rectify the "compatibility symlink" in order to allow older apps seamlessly accessing encrypted (partitions on) SD-cards at their new (since SailfishOS 2.2.0) mount point.
 
 Version history:
+* v0.6<br /> 
+  A few small, but significant enhancements (since v0.5-5) are finally reflected in another version number increase.<br /> 
+  "Key"-file format is:  
+    * For Cryptsetup LUKS: `/etc/crypto-sdcard/crypto_luks_<UUID>.key` (since v0.3)   
+    * For Cryptsetup "plain": `/etc/crypto-sdcard/crypto_plain_<device-name>.key` (since v0.5-7)  
+    * A specific `<UUID>` can be obtained by executing `blkid -c /dev/null -s UUID -o value /dev/<device-name>` with e.g. `mmcblk1p2` as `<device-name>`.
 * v0.5<br />
   Although the installed configuration files are unaltered since v0.4-3, the spec-file ("RPM packaging") changes have been significant, so it ultimately earns an increased version number.
 * v0.4<br />