# 9.20 Maintenance Release 6

Enhancements in this version are as follows.

<table data-header-hidden><thead><tr><th width="103"></th><th width="495"></th><th></th></tr></thead><tbody><tr><td>Tech Ref</td><td>Description</td><td>Component</td></tr><tr><td>160093</td><td>T30 HiSec: Security Enhancement</td><td>Reader/<br>Controller</td></tr><tr><td>166086</td><td>Memory &#x26; Storage Optimization for T30 Devices</td><td>Reader/<br>Controller</td></tr><tr><td>167562</td><td>Elevator section in User Guide Vol1 to include 7000 controller</td><td>Documentation</td></tr></tbody></table>

Bug fixes in this version are as follows.

<table data-header-hidden><thead><tr><th width="104"></th><th width="499"></th><th></th></tr></thead><tbody><tr><td>Tech Ref</td><td>Description</td><td>Fixed In</td></tr><tr><td>158011</td><td>Advanced search crashing Command Centre Client - Division Filter Reliability Improvement</td><td>Server</td></tr><tr><td>158235</td><td>Operator Settings: Multi-Field Configuration Not Persisting</td><td>Server</td></tr><tr><td>163662</td><td>Idemia CAC card not working using Veridt Reader on a C7000</td><td>Controller</td></tr><tr><td>164964</td><td>F6x: HBus V2 - long serial no. input restricted by textbox</td><td>Server</td></tr><tr><td>165066</td><td>Improving system speed for a smoother experience</td><td>Server</td></tr><tr><td>165246</td><td>Better handling of time entries when daylight savings is active</td><td>Server</td></tr><tr><td>165352</td><td>Resolving startup issues caused by notification errors</td><td>Server</td></tr><tr><td>165516</td><td>Fix network configuration reporting on controller debug web page.</td><td>Controller</td></tr><tr><td>166933</td><td>Command Centre Client and Configuration Client freezing due to memory leaks</td><td>Server</td></tr><tr><td>167878</td><td>Improved Responsiveness and Stability for Duress Terminal and T20 Devices</td><td>Server</td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.security.gallagher.com/command-centre/command-centre-releases/release-history/supported-gallagher-command-centre-releases/command-centre-9.20-releases/9.20-maintenance-release-6.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
