The following bugs or issues have been identified in the current 4.2 version, and will be solved in future releases.
Upgrade Process
#2257: Customized paths in OpenNebulaNetwork.rb and scripts_common.sh are overwritten by upgrades.
Context
#2161: OpenNebula Context package not working in Ubuntu 12.04
Core
#1803: Attach NIC operation should check Cluster constraints
#1927: VM Context does not fill the right values when a VM has two NICs in the same network
#2047: Attaching arbitrary IP addresses using one.vm.attachnic
#2090: Wrong TM action called when UNDEPLOYED VM is being resumed
Drivers - Network
#2035: network FW drivers should be idempotent
#2163: Update Virtual Router to work with the new single quoted context
#2172: NIC Hot Plug with OpenVSwitch not working
Drivers - Storage
#1895: Error during datastore clone with ceph/rbd . The driver is not picking up the default values in ceph.conf.
#2106: attach ceph image problem
#2108: LVM datastore clone script doesn't work if hostname contains a dot
#2110: create datablock error with ceph
#2164: Register compressed images in LVM
#2165: LVM shouldn't use sudo for mkfs
#2177: scp error with KVM on Debian wheezy 7.1
#2201: No capacity detected when using LVM datastore
#2353: DISK_TYPE is case sensitive, and is expected in uppercase
Drivers - VM
#2131: the disk_attach scripts require a DRIVER attribute
#2144: perform rollback of attach new disk on failure
#2173: Xen reboot does not work
EC2
#2094: Auth not working in econe commands with SSL proxy
Scheduler
#1811: If more than one scheduled actions fit in a scheduler cycle, the behaviour is unexpected
Sunstone
#1962: If a user panel info is visible, new attributes will not be added in the settings dialog
#1877: If syslog is enabled, the logs tab in the VM detailed will not show them
#1980: Auto refresh is disabled if a resource is selected, this makes the dashboard graphs to stall
#2249: Service template wizard: period and period number are inverted
Workaround for #2249:
<xterm>
$ sudo wget http://dev.opennebula.org/projects/opennebula/repository/revisions/5c7b370f6be5f4f9167d508bdd31b580f05dafd4/raw/src/sunstone/public/js/plugins/oneflow-templates.js -O /usr/lib/one/sunstone/public/js/plugins/oneflow-templates.js
$ sudo wget http://dev.opennebula.org/projects/opennebula/repository/revisions/970c34464a1d5a71f3a9dfdd3d77d62883400857/raw/src/sunstone/public/js/plugins/oneflow-services.js -O /usr/lib/one/sunstone/public/js/plugins/oneflow-services.js
</xterm>