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# 25 What's new in Zabbix 5.0.21

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### S.M.A.R.T. plugin

 Zabbix agent 2 item *smart.disk.discovery*, supported for S.M.A.R.T. plugin, has been updated and now returns {#DISKTYPE} macro value in the lower case.
 
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### SourceIP support in LDAP simple checks

SourceIP support has been added to LDAP [simple checks](/manual/config/items/itemtypes/simple_checks). *Note* that with OpenLDAP, version 2.6.1 or above is required.

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