--- title: OptoBlog | Updates (2) description: Updates | (2) --- - [Log in](https://www.opto22.com/logon?returnurl=%2f) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us) [![Opto 22 Logo](https://blog.opto22.com/hubfs/opto22_lightsilvergradient_800px.png "Opto 22 Logo")](https://www.opto22.com) - [Products](https://www.opto22.com/products) - [What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - [Product Families](https://www.opto22.com/products/product-families) - [IIoT System Architecture](https://www.opto22.com/support/resources-tools/demos/groov-epic-groov-rio-architecture) - 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[What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - [Product Families](https://www.opto22.com/products/product-families) - [IIoT System Architecture](https://www.opto22.com/support/resources-tools/demos/groov-epic-groov-rio-architecture) - [MQTT Resources](https://www.opto22.com/products/mqtt-resources) - [Cybersecurity](https://www.opto22.com/products/cybersecurity) - [Power and Energy Monitoring](https://www.opto22.com/products/power-and-energy-monitoring) - [How to Buy](https://www.opto22.com/products/how-to-buy) - [Hands-On Learning and Demo Units](https://www.opto22.com/products/hands-on-learning-and-demo-units) - [Product Comparisons and Compatibility](https://www.opto22.com/products/product-comparisons-and-compatibility) - [System Configurator](https://www.opto22.com/products/system-configurator) - [Support](https://www.opto22.com/support) - [Manage groov](https://www.opto22.com/logon?returnurl=%2fmy-opto%2fmanage-groov) - [Documents](https://www.opto22.com/Support/Resources-Tools?rt=59) - [Downloads](https://www.opto22.com/Support/Resources-Tools?rt=68) - [Videos](https://www.opto22.com/Support/Videos) - [KnowledgeBase](https://www.opto22.com/Support/Resources-Tools?rt=67) - [Training](https://www.opto22.com/support/training-options) - [Troubleshooting](https://www.opto22.com/support/troubleshooting) - [Image Library](https://www.opto22.com/support/resources-tools/image-library-svg-editors) - [Developers](https://developer.opto22.com/) - [Talk to an Engineer](https://www.opto22.com/support/talk-to-an-engineer) - [Contact Us](https://www.opto22.com/support/contact-us) - [Warranties](https://www.opto22.com/support/warranties) - [Agency Approvals/Compliance](https://www.opto22.com/support/agency-approvals) - [Privacy Policy](https://www.opto22.com/support/privacy) - [About Us](https://www.opto22.com/about-us) - [History](https://www.opto22.com/about-us/history) - [Location](https://www.opto22.com/about-us/directions) - [Corporate Contacts](https://www.opto22.com/about-us/corporate-contacts) - [Opto 22 Product Philosophy](https://www.opto22.com/about-us/opto-22-product-philosophy) - [Customer Quotes/Testimonials](https://www.opto22.com/about-us/customer-quotes-testimonials) - [Virtual Tour](https://www.opto22.com/about-us/virtual-tour) - [Pressroom](https://www.opto22.com/about-us/pressroom) - [Distributors](https://www.opto22.com/about-us/distributors) - [International](https://www.opto22.com/about-us/international) - [Sustainability](https://www.opto22.com/about-us/sustainability) - [Careers](https://www.opto22.com/about-us/careers) - [Community](https://www.opto22.com/community) - [OptoPartners](https://www.opto22.com/community/opto-partners) - [Technology Partners](https://www.opto22.com/community/technology-partners) - [Education Partnerships](https://info.opto22.com/partnering-in-education) - [Opto Blog](https://blog.opto22.com/) - [Opto Forums](http://forums.opto22.com/) - [Events](https://www.opto22.com/community/events) - [Articles](https://www.opto22.com/articles) - [Log In](https://www.opto22.com/logon) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us)   # OptoBlog # OptoBlog ## [groov RIO 3.4.1 ready for download](https://blog.opto22.com/optoblog/groov-rio-3.4.1-ready-for-download) Posted by [Janice Colmer](https://blog.opto22.com/optoblog/author/janice-colmer) on Aug 29, 2022, 7:30:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/social-suggested-images/info.opto22.comhs-fshubfs3-RIOs-ign-edge-20220202-4.png)](https://blog.opto22.com/optoblog/groov-rio-3.4.1-ready-for-download) ### A quick fix update was just released for *groov* RIO, version 3.4.1. As an OptoBlog subscriber, you're always the first to hear about product news or firmware updates. This time we have another recent release for *groov* RIO to tell you about. [Read More](https://blog.opto22.com/optoblog/groov-rio-3.4.1-ready-for-download) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/groov-rio-3.4.1-ready-for-download#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [groov RIO](https://blog.opto22.com/optoblog/topic/groov-rio) ## [Quick recap: groov EPIC 3.4.3 firmware update](https://blog.opto22.com/optoblog/quick-recap-groov-epic-3.4.3-firmware-update) Posted by [Ben Orchard](https://blog.opto22.com/optoblog/author/ben-orchard) on Aug 16, 2022, 12:37:43 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/social-suggested-images/blog.opto22.comhubfssocial-suggested-imagesinfo.opto22.comhubfsgroovEPIC-w-Phone-1-2.jpg)](https://blog.opto22.com/optoblog/quick-recap-groov-epic-3.4.3-firmware-update) ### Review some important bug fixes included in the latest *groov* EPIC firmware update 3.4.3. Everyone here at Opto 22 knows that updating any controller's firmware is not a trivial task, and when in a production environment, it’s not something that can be done at the drop of a hat. That said, sometimes we fix some bugs that require a minor point firmware update and the latest 3.4.3 release is just such a case. If you are using *groov* View or the new Data Services feature, then you should look closely at this release as you determine where updating your controller(s) should be prioritized in your jam-packed schedule. [Read More](https://blog.opto22.com/optoblog/quick-recap-groov-epic-3.4.3-firmware-update) 2 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/quick-recap-groov-epic-3.4.3-firmware-update#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [groov View](https://blog.opto22.com/optoblog/topic/groov-view), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [OPC UA](https://blog.opto22.com/optoblog/topic/opc-ua) ## [Time to update: groov RIO 3.4 with OPC UA server](https://blog.opto22.com/optoblog/time-to-update-groov-rio-3.4-with-opc-ua-server) Posted by [Janice Colmer](https://blog.opto22.com/optoblog/author/janice-colmer) on Jul 13, 2022, 10:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/RIOwOPCUA.jpg)](https://blog.opto22.com/optoblog/time-to-update-groov-rio-3.4-with-opc-ua-server) ### Following the recent *groov* EPIC 3.4 firmware update, *groov* RIO offers similar updates in its 3.4 release. Here are some exciting additions in the latest *groov* RIO 3.4 package. All these new features are available in all *groov* RIO models: [MM1](https://www.opto22.com/support/resources-tools/downloads/grv-r7-mm1001-10-firmware), [MM2](https://www.opto22.com/support/resources-tools/downloads/grv-r7-mm2001-10-firmware) and [RIO EMU](https://www.opto22.com/support/resources-tools/downloads/grv-r7-i1vapm-3-firmware). The biggest news is the embedded OPC UA server. This is a first of its kind: a fully functioning OPC UA server option for a remote, Ethernet-based input/output module. [Read More](https://blog.opto22.com/optoblog/time-to-update-groov-rio-3.4-with-opc-ua-server) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/time-to-update-groov-rio-3.4-with-opc-ua-server#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [MQTT](https://blog.opto22.com/optoblog/topic/mqtt), [groov RIO](https://blog.opto22.com/optoblog/topic/groov-rio), [OPC UA](https://blog.opto22.com/optoblog/topic/opc-ua), [groov rio emu](https://blog.opto22.com/optoblog/topic/groov-rio-emu), [Version 3.4 update](https://blog.opto22.com/optoblog/topic/version-3-4-update) ## [Node-RED Updates in groov EPIC 3.4](https://blog.opto22.com/optoblog/node-red-updates-in-groov-3.4) Posted by [Terry Orchard](https://blog.opto22.com/optoblog/author/terry-orchard) on Jun 23, 2022, 8:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/WelcomeNodeRED.png)](https://blog.opto22.com/optoblog/node-red-updates-in-groov-3.4) ### See what's new in the latest version of Node-RED included in *groov* EPIC 3.4 firmware. With every *groov* firmware update we also include updates to the software our devices run, whether that’s *groov* View, Ignition, or Node-RED. The recent *groov* EPIC 3.4.0 update is no different! In this post, I’ll briefly go over some of the biggest updates to Node-RED, which has been bumped to v2.2.2. If you want to know more about the 3.4.0 *groov* EPIC firmware, check out [Ben’s forum post](https://forums.opto22.com/t/groov-epic-3-4-0-firmware-released/4473). [Read More](https://blog.opto22.com/optoblog/node-red-updates-in-groov-3.4) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/node-red-updates-in-groov-3.4#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Node-RED](https://blog.opto22.com/optoblog/topic/node-red), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic) ## [Big release news: groov EPIC 3.4 firmware is here](https://blog.opto22.com/optoblog/big-release-news-groov-epic-3.4-firmware-is-here) Posted by [Ben Orchard](https://blog.opto22.com/optoblog/author/ben-orchard) on Jun 22, 2022, 8:15:46 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/EPIC34releasePR.jpg)](https://blog.opto22.com/optoblog/big-release-news-groov-epic-3.4-firmware-is-here) ### Major release adds embedded OPC UA server, expanded MQTT/Sparkplug options, SNMP, Scratch Pad data access, and more Everyone here at Opto is very excited to announce that the latest EPIC firmware update is now live. Just as you update the OS on your phone to get the latest improvements in security, stability and performance, the OS on your [*groov* EPIC](https://www.opto22.com/products/groov-epic-system) is no different. It is after all, a quad core Linux computer, so updates are very important for the exact same reasons: security, stability, and performance. And often these updates come with some cool new features. With this release, you'll find several. [Read More](https://blog.opto22.com/optoblog/big-release-news-groov-epic-3.4-firmware-is-here) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/big-release-news-groov-epic-3.4-firmware-is-here#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [Node-RED](https://blog.opto22.com/optoblog/topic/node-red), [MQTT](https://blog.opto22.com/optoblog/topic/mqtt), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [OPC UA](https://blog.opto22.com/optoblog/topic/opc-ua), [Version 3.4 update](https://blog.opto22.com/optoblog/topic/version-3-4-update) ## [Important information about Log4Shell/Log4j (CVE-2021-44228)](https://blog.opto22.com/optoblog/new-update-to-address-log4shell/log4j-exploit) Posted by [Janice Colmer](https://blog.opto22.com/optoblog/author/janice-colmer) on Dec 16, 2021, 7:20:12 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/social-suggested-images/info.opto22.comhubfsgroovEPIC-w-Phone-1.jpg)](https://blog.opto22.com/optoblog/new-update-to-address-log4shell/log4j-exploit) ### Which products are affected, and how to update your affected systems Opto 22 engineers have addressed the Log4Shell/Log4j vulnerability recently reported in news media this week. [F](https://blog.opto22.com/optoblog/topic/updates/page/2#Updates)[irmware and software updates for affected products are now available.](https://blog.opto22.com/optoblog/topic/updates/page/2#Updates) Opto 22 urges you to apply these updates immediately, regardless of whether you're using *groov* View. The Log4j vulnerability affects all products running *groov* View software, including:  - GRV-EPIC-PR1, GRV-EPIC-PR2 - GROOV-AR1, GROOV-AR1-BASE, GROOV-AR1-SNAP - GROOV-AT1, GROOV-AT1-SNAP - GROOV-SVR-WIN, GROOV-SVR-WIN-BASE, GROOV-SVR-WIN-SNAP Please see [this Opto KB Article (KB90085)](https://www.opto22.com/support/resources-tools/knowledgebase/kb90085) for more details. Please note that the following Opto 22 products are NOT affected: - *groov* RIO (GRV-R7-MM1001-10 and GRV-R7-MM2001-10) - SNAP I/O brains, SNAP PAC controllers, and the PAC Project software suite - Legacy products including *mistic*, Optomux, FactoryFloor, and others [Read More](https://blog.opto22.com/optoblog/new-update-to-address-log4shell/log4j-exploit) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/new-update-to-address-log4shell/log4j-exploit#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [groov server for windows](https://blog.opto22.com/optoblog/topic/groov-server-for-windows), [groov View](https://blog.opto22.com/optoblog/topic/groov-view), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [Log4Shell](https://blog.opto22.com/optoblog/topic/log4shell), [Log4j](https://blog.opto22.com/optoblog/topic/log4j) ## [New groov EPIC firmware 3.3.1 is here](https://blog.opto22.com/optoblog/new-groov-epic-firmware-3.3.1-is-here) Posted by [Ben Orchard](https://blog.opto22.com/optoblog/author/ben-orchard) on Nov 3, 2021, 1:11:19 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/groovManageMenu.png)](https://blog.opto22.com/optoblog/new-groov-epic-firmware-3.3.1-is-here) ### Several highly requested features have been added to the latest firmware update for *groov* EPIC PR1 and PR2. Even with the Covid pandemic lingering on, our mostly remote team of software engineers at Opto 22 have been hard at work. As a result, we have a *groov* EPIC firmware update that addresses a bunch of requested features, and like any software update, some bug fixes as well. Simply known as version 3.3.1, you can freely [download](https://www.opto22.com/logon?returnurl=%2fmy-opto%2fmanage-groov) and take advantage of these improvements right away. Let's take a look at what's new... [Read More](https://blog.opto22.com/optoblog/new-groov-epic-firmware-3.3.1-is-here) 2 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/new-groov-epic-firmware-3.3.1-is-here#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [Node-RED](https://blog.opto22.com/optoblog/topic/node-red), [CODESYS](https://blog.opto22.com/optoblog/topic/codesys), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [Ignition](https://blog.opto22.com/optoblog/topic/ignition) ## [Firmware update for your groov EPIC I/O modules](https://blog.opto22.com/optoblog/firmware-update-for-your-groov-epic-io-modules) Posted by [Janice Colmer](https://blog.opto22.com/optoblog/author/janice-colmer) on Jun 1, 2021, 9:38:50 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/social-suggested-images/blog.opto22.comhubfsPressRelease_GRV-3-modules-5.jpg)](https://blog.opto22.com/optoblog/firmware-update-for-your-groov-epic-io-modules) ### Several of the *groov* EPIC I/O modules have new firmware updates available. If you're using the [*groov* EPIC system](https://www.opto22.com/products/groov-epic-system), you'll want to check the list of *groov* I/O modules that have new versions of firmware available now. These firmware updates contain both enhancements and bug fixes and are available for download on the Opto 22 website. [Read More](https://blog.opto22.com/optoblog/firmware-update-for-your-groov-epic-io-modules) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/firmware-update-for-your-groov-epic-io-modules#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [I/O](https://blog.opto22.com/optoblog/topic/i-o) ## [groov EPIC firmware 3.0 is ready](https://blog.opto22.com/optoblog/groov-epic-firmware-3.0-is-ready) Posted by [Ben Orchard](https://blog.opto22.com/optoblog/author/ben-orchard) on Nov 4, 2020, 8:46:14 AM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/LDAP.png)](https://blog.opto22.com/optoblog/groov-epic-firmware-3.0-is-ready) ### Get an overview of exciting new features just added to *groov* EPIC and see why you'll want to update. *(Hint: LDAP)* Everyone here at Opto 22 is very excited to announce the ***groov* EPIC firmware 3.0** release. In fact, there is so much cool stuff in this release, I am a little lost knowing in what order to list them, so let's just jump right in and see what's in store… [Read More](https://blog.opto22.com/optoblog/groov-epic-firmware-3.0-is-ready) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/groov-epic-firmware-3.0-is-ready#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [Firmware](https://blog.opto22.com/optoblog/topic/firmware), [Node-RED](https://blog.opto22.com/optoblog/topic/node-red), [MQTT](https://blog.opto22.com/optoblog/topic/mqtt), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [groov Manage](https://blog.opto22.com/optoblog/topic/groov-manage), [Ignition](https://blog.opto22.com/optoblog/topic/ignition), [LDAP](https://blog.opto22.com/optoblog/topic/ldap) ## [Go further with groov EPIC 2.0](https://blog.opto22.com/optoblog/go-further-with-groov-epic-2.0) Posted by [Josh Eastburn](https://blog.opto22.com/optoblog/author/josh-eastburn) on May 5, 2020, 4:03:17 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/RIO_pac_control.png)](https://blog.opto22.com/optoblog/go-further-with-groov-epic-2.0) ### With the latest firmware update, *groov* EPIC gets I/O for the IIoT and more Out this week, *groov* EPIC firmware version 2.0 is a milestone for the platform, and there are more than a few reasons to consider updating. Here’s an overview of what’s included. [Read More](https://blog.opto22.com/optoblog/go-further-with-groov-epic-2.0) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/go-further-with-groov-epic-2.0#comments-listing) Topics: [Updates](https://blog.opto22.com/optoblog/topic/updates), [PAC Control](https://blog.opto22.com/optoblog/topic/pac-control), [IIoT](https://blog.opto22.com/optoblog/topic/iiot), [Node-RED](https://blog.opto22.com/optoblog/topic/node-red), [MQTT](https://blog.opto22.com/optoblog/topic/mqtt), [CODESYS](https://blog.opto22.com/optoblog/topic/codesys), [groov EPIC](https://blog.opto22.com/optoblog/topic/groov-epic), [groov RIO](https://blog.opto22.com/optoblog/topic/groov-rio) [Previous](https://blog.opto22.com/optoblog/topic/updates/page/1) [All posts](https://blog.opto22.com/optoblog/all) [Next](https://blog.opto22.com/optoblog/topic/updates/page/3) ### Subscribe to Email Updates ### Recent Posts ### Posts by Topic - [groov EPIC (509)](https://blog.opto22.com/optoblog/topic/groov-epic) - 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