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* Before this update, flows were not observed on {product-title} 4.15 due to incorrect attach mode configuration. As a consequence, users were unable to observe flows on {product-title} 4.15 with specific catalogs, causing interruptions in flow monitoring. With this release, the default attach mode is set to 'tc' for {product-title} versions less than 4.16.0 to observe flows on {product-title} 4.15. As a result, flows are now observed on {product-title} 4.15. (link:https://issues.redhat.com/browse/NETOBSERV-2333[*NETOBSERV-2333*])
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* Before this update, flows were not observed on {product-title} 4.15 due to incorrect attach mode configuration. This prevented users from observing flows with specific catalogs and caused interruptions in flow monitoring. With this release, the default attach mode for {product-title} versions less than 4.16.0 is set to `tc`, so flows are now observed on {product-title} 4.15. (link:https://issues.redhat.com/browse/NETOBSERV-2333[*NETOBSERV-2333*])
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* Before this update, when configuring an IPFIX exporter, if the collector restarted, the connectivity could be lost and network flows stopped being sent to the collector. With this release, the connection is restored so that network flows continue to be sent to the collector. (link:https://issues.redhat.com/browse/NETOBSERV-2315[*NETOBSERV-2315*])
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* Before this update, configuring an IPFIX exporter could result in lost connectivity and stopped network flow delivery to the collector if the collector restarted. With this release, the connection is restored, and network flows continue to be sent to the collector. (link:https://issues.redhat.com/browse/NETOBSERV-2315[*NETOBSERV-2315*])
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* Before this update, the export of overview or topology was experiencing delays due to an outdated version of the html-to-image library, leading to extended waiting times and browser hangs during image generation. This significantly impacted user experience. In this release, we have upgraded the html-to-image library to version 1.11.13, which reduces export time and prevents browser hangs during image generation, thereby improving overall export speed. (link:https://issues.redhat.com/browse/NETOBSERV-2314[*NETOBSERV-2314*])
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* Before this update, exporting the overview or topology experienced delays due to an outdated `html-to-image` library, which caused extended waiting times and browser hangs during image generation and significantly impacted user experience. With this release, the `html-to-image` library has been upgraded to version `1.11.13`, reducing export time and preventing browser hangs during image generation, thereby improving overall export speed. (link:https://issues.redhat.com/browse/NETOBSERV-2314[*NETOBSERV-2314*])
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* Before this update, when configuring an IPFIX exporter, flows without ports (such as ICMP traffic) were ignored and generated errors in logs. Some information was also missing in IPFIX exports, such as TCP flags and ICMP data. With this release, those details have been added, and missing fields such as ports no longer generate errors and are now included in exported data. (link:https://issues.redhat.com/browse/NETOBSERV-2307[*NETOBSERV-2307*])
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* Before this update, when configuring an IPFIX exporter, flows without ports (such as ICMP traffic) were ignored and generated errors in logs. `TCP` flags and `ICMP` data were also missing in IPFIX exports. With this release, these details have been added, and missing fields (like ports) no longer generate errors and are included in exported data. (link:https://issues.redhat.com/browse/NETOBSERV-2307[*NETOBSERV-2307*])
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* Before this update, the UDN Mapping feature displayed a configuration issue and warning on {product-title} 4.18 due to a wrongly specified OpenShift version in the code. Consequently, the UDN feature displayed unintended warnings on {product-title} 4.18, affecting user experience. With this release, the UDN Mapping feature now supports {product-title} 4.18 without warnings, as it has been corrected. As a result, the UDN feature no longer displays configuration issues or warnings on {product-title} 4.18, ensuring a smooth user experience. (link:https://issues.redhat.com/browse/NETOBSERV-2305[*NETOBSERV-2305])
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* Before this update, the expand function in the *Network Traffic* page within {product-title} 4.19.1 had compatibility issues with v6 navigation, resulting in unoccupied menu space when expanding. Consequently, user interface inconsistency occurred. With this release, the compatibility issue in the `NetflowTraffi` part and theme hook has been resolved, ensuring the side menu in the *Network Traffic* view is now properly managed, thereby improving user interface interaction. (link:https://issues.redhat.com/browse/NETOBSERV-2304[*NETOBSERV-2304*])
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* Before this update, the User Defined Networks (UDN) Mapping feature displayed a configuration issue and warning on {product-title} 4.18 due to an incorrectly specified OpenShift version in the code. This affected user experience. With this release, UDN Mapping now supports {product-title} 4.18 without warnings, ensuring a smooth user experience. (link:https://issues.redhat.com/browse/NETOBSERV-2305[*NETOBSERV-2305*])
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* Before this update, the expand function in the *Network Traffic* page within {product-title} 4.19.1 had compatibility issues with `v6` navigation, leading to unoccupied menu space when expanding and user interface inconsistency. With this release, the compatibility issue in the `NetflowTraffic` part and `theme hook` has been resolved, ensuring the side menu in the *Network Traffic* view is properly managed, thereby improving user interface interaction. (link:https://issues.redhat.com/browse/NETOBSERV-2304[*NETOBSERV-2304*])
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