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Pre-release Updates

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Under Update settings, it is possible to select between default Regular update and Pre-release updates.

The ESET Guideline describes the Pre-release update feature as followed:




Pre-release updates (the Pre-release update option) are updates that have gone through thorough internal testing and will be available to the general public soon. You can benefit from enabling pre-release updates by having access to the most recent detection methods and fixes. However, pre-release updates might not be stable enough at all times and SHOULD NOT be used on production servers and workstations where maximum availability and stability is required. The list of current modules can be found in Help and support > About ESET Smart Security. It is recommended that basic users leave the Regular update option selected by default.


I have since yesterday changed my settings from Regular to Pre-release updates.

I have already version 8.0.312.0 installed.
What I can see, I have right now the following modules installed.


Virus signature database: 11461P (20150412)

Rapid Response module: 5828 (20150412)
Update module: 1056 (20150113)
Antivirus and antispyware scanner module: 1452 (20150331)
Advanced heuristics module: 1154 (20150129)
Archive support module: 1224 (20150401)
Cleaner module: 1107 (20150401)
Anti-Stealth support module: 1073 (20150320)
Personal firewall module: 1264.1 (20150320)
Antispam module: 1029 (20141103)
ESET SysInspector module: 1246 (20150121)
Real-time file system protection module: 1009 (20130301)
Translation support module: 1329 (20150326)
HIPS support module: 1170 (20150409)
Internet protection module: 1173B.4 (20150331)
Web content filter module: 1036 (20140625)
Advanced antispam module: 2184P (20150410)
Database module: 1064 (20150303)


The only module which looks like "Pre-Release" is the Virus signature database and the Advanced antispam module.

Anyway, I have seen that virus signature databases are not released faster then the regular one. In my opinion this is not really important either due to the Grid-Live (Cloud) protection used by ESET products.


Is the pre-release update function only to get some new modules a bit faster? Like a "beta-test-light" or something like that?

How much time does it usually take from a pre-released update, until it is included in the regular update? Are there any statistics about it?

And finally, it is not recommended to use pre-release updates on production desktops. But has it ever occurred that a pre-release update actually created problems for some of the users?



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I can answer the last question in your post based on my experience.



But has it ever occurred that a pre-release update actually created problems for some of the users?


I've been on pre-release  updates for over a year, maybe longer. In that time I have not had an issue. So the answer for me would be... Not Yet.

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When changes are made to modules, they are first carefully tested by ESET. If no problems are found during QA tests, the modules are put on pre-release servers for some time, depending on the kind of changes made and potential risks. Even the engine with P (pre-release) and without P may be different, ie. pre-release engine can detect more malware at times due to certain improvements. On the other hand, pre-release updates may also cause issues at times as they haven't been tested on a variety of system configurations.

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