# Zeek 4.0.0 RC3 available

**URL:** <https://community.zeek.org/t/zeek-4-0-0-rc3-available/6302>\
**Category:** Zeek\
**Created:** [February 17, 2021, 7:04pm UTC](https://community.zeek.org/t/zeek-4-0-0-rc3-available/6302 "2021-02-17T19:04:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jon\_Siwek](https://avatars.discourse-cdn.com/v4/letter/j/71c47a/32.png) [@Jon\_Siwek](https://community.zeek.org/u/Jon_Siwek)\
**Post date:** [February 17, 2021, 7:04pm UTC](https://community.zeek.org/t/zeek-4-0-0-rc3-available/6302/1 "2021-02-17T19:04:38Z")

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Zeek 4.0.0 RC3 is now available:

&nbsp;&nbsp;[https://zeek.org/get-zeek/](https://zeek.org/get-zeek/)

Differences from RC2 can be found in the CHANGES files and include  
minor bug fixes as well a notable fixes and improvements to Broker  
communication performance and backpressure mechanisms:

&nbsp;&nbsp;[https://github.com/zeek/zeek/blob/release/4.0/CHANGES](https://github.com/zeek/zeek/blob/release/4.0/CHANGES)  
&nbsp;&nbsp;[https://github.com/zeek/broker/blob/release/2.0/CHANGES](https://github.com/zeek/broker/blob/release/2.0/CHANGES)

General info about the upcoming Zeek 4.0.0 release can be found at  
these locations (unchanged since last RC2 announcement):

&nbsp;&nbsp;[https://zeek.org/2020/12/15/zeek-4-0-release-candidate/](https://zeek.org/2020/12/15/zeek-4-0-release-candidate/)  
&nbsp;&nbsp;[https://github.com/zeek/zeek/releases/tag/v4.0.0-rc3](https://github.com/zeek/zeek/releases/tag/v4.0.0-rc3)

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/zeek/original/1X/f09d732bc2cc7c7cc7e35db67cf4e1d5233ce7a7.png) [@system](https://community.zeek.org/u/system)\
**Post date:** [May 6, 2022, 3:47pm UTC](https://community.zeek.org/t/zeek-4-0-0-rc3-available/6302/2 "2022-05-06T15:47:35Z")

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Closed on May 6, 2022, 3:47pm UTC