# 8.80 Maintenance Release  6

Enhancements in this version are as follows. 

<table><thead><tr><th width="112">Tech Ref</th><th width="549">Description</th><th width="290">Component</th></tr></thead><tbody><tr><td>138561</td><td>C7000 Security Enhancement</td><td>Controller</td></tr><tr><td>143276</td><td>C7000 Kernal Enhancement Backport</td><td>Controller</td></tr></tbody></table>

Bug fixes in this version are as follows

<table><thead><tr><th width="107">Tech Ref</th><th width="560">Description</th><th width="136">Fixed In</th></tr></thead><tbody><tr><td>133015</td><td>OPC Event Subscription is being used as it is being destructed due to logic block loop</td><td>Server</td></tr><tr><td>141491</td><td>Command Centre Crash when creating new Siteplan</td><td>Client</td></tr><tr><td>141785</td><td>Database call unsuccessful. Unable to install SQL on the Server</td><td>Server</td></tr><tr><td>142235</td><td>6008 alarms created every time regulated zones is re-enabled</td><td>Server</td></tr><tr><td>142782</td><td>Cardholder deletion causes an assert when a card is either activated or deactivated</td><td>Server</td></tr><tr><td>143238</td><td>Crash in PhotoID if encoder does not support MIFARE Plus</td><td>Server</td></tr><tr><td>144334</td><td>Add card number column filters down the cardholder report</td><td>Server</td></tr></tbody></table>

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