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V26.5 OPC UA session/group tag limits
I was experiencing the same OPC UA collector UI performance issues described here. V26.5 is a HUGE improvement to my current workflows. Please pass on my thanks to the dev team.…
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OPC UA Collector performance issues
I have a problem with the OPC UA collector. I am reading data from KEPWARE KEPSERVER OPC UA server. I have an issue with the OPC UA collector — it often freezes.…
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API Returns duplicate offset during fall-back DST transition
Version 25.5.0.25325 The first 1:00 AM bucket (01:00–02:00 EDT, UTC 05:00–06:00) occurs before the transition and should carry the -04:00 offset. Per ISO 8601/RFC 3339,…
- Fixed
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Linked Tags (version 26)
Linked Tags are 2 or more tags that exist in different (or the same) DataSets which the user wishes to link together to create one single data stream of history.…
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How to Configure the CygNet Collector (version 26)
The CygNet Collector connects to the CygNet VHS to log Facility and UDC combinations as tags within the Canary system. As Canary's U/I for the Collector only provides status information within the…
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Release V26.5
REQUEST UPGRADE Built on Windows Server 2019 Standard MSBuild v17.0 MSI: Wix v1.14.2 Released on: 7/6/2026 If .NET Framework 4.7.1 or greater is not present on the system,…
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Write api support for events
Extend the Write API by adding an endpoint for creating and editing events and properties, in addition to TVQs.
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How to Add an Okta Identity Provider (version 26)
By default, Canary uses Windows AD for user authentication; however, Canary also supports OAuth 2.0/OpenID Connect. This gives end users alternative options for signing into Canary's application…
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Data Logging Paused after Hard Shutdown (v26.3)
Starting in v26.3, SaF data streams are automatically paused when the Historian experiences a hard shutdown. This is to prevent data from being stored in the previous file if the current file is…
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Canary Admin - Version Check
Hello, When evaluating and testing newer releases of Canary it would be nice to have the Admin perform a version check. If you are trying to access a historian or other system that has a different…
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Recovering from a Hard Shutdown
Anytime the Historian service is unexpectedly shut down, there is a potential risk of file corruption when an HDB file is open for writing. When this happens,…
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Option to show message at top of all Axiom applications/charts such as before or during upgrades, when there is a known issue, etc...
We aren't sure how feasible this is (especially if the historian is down for an upgrade or something) but it could be helpful if there was a way for an admin to put a message on a banner at the top…
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Canary Admin, Views and Axiom tiles - "Quality of life" improvements
Views tile, Diagnostics tab Add for column for "requests in last second" or something similar. We can use the existing requests column and look for values that are changing a lot but easier to have…
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Release V26.4
REQUEST UPGRADE Built on Windows Server 2019 Standard MSBuild v17.0 MSI: Wix v1.14.2 Released on: 6/9/2026 If .NET Framework 4.7.1 or greater is not present on the system,…
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Regex Modifiers
I was traipsing through a Canary system I inherited and found a Model Rule with a match field of (?i)##1$ I did not know you could do regex flags like that! Can you use any of the .…
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0 Time Event
This might be the wrong question, but is there a way to create an event that is 0 seconds long? Background - we have a use case where valves can direct product to one of 4 tanks.…
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Exporting tags from Axiom Trend Groups
Same as the title, how to export tags from axiom trend groups without data? Is there a config file which stores this information that can be accessed rather than manually browsing the trend groups…
- Answered
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Install Publisher service on dedicated server?
Can the Publisher service be installed on a dedicated server and if so are there any licensing impacts? I'm sure it depends how many sessions are configured,…
- Answered
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Merge Tags at file level
Is it possible to merge history (within the same dataset) by adding new hdb3 file to the data set? I see tags can be merged at the Views level which is a great option in many scenarios: https:…
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Installer doesn't uninstall ODBC Service
Unchecking "ODBC Service" when running installer v. 25.3.1-216 does not uninstall, or stop, the Canary ODBC service.
- Fixed
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Identity -> Axiom Security new user group missing
After creating a new Canary user group, you must close and re-open the Identity tile for the new group to show up when editing Axiom file security. I tried restarting the Identity and Axiom services…
- Fixed
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Axiom cursor offset by line width of state drawing mode trends
I'm using a trend graph with state drawing mode to represent string tags for communication status. I have line widths of 5 for Path 1 and 2 that match the state colors of DevicePathSwitch to…
- Fixed
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Event Properties missing from Events Table (V25.5)
Good Day All, I have created an event that is triggering start and stop just fine. I've created multiple properties in the event that calculate some max and duration of temperatures.…
- Fixed
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DataTable no longer displays data in descending order
Hi, I have recently completed the update to version 26.2 from 25.5 and since this, we have noticed our DataTables in Axiom now display the data in ascending order with no obvious way to change it…
- Fixed
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Receiver to SaF Transmission
Starting in v26.2, the Receiver service has the option of writing data to a local Store & Forward (SaF) service instead of directly to the Historian. In v26.3, this redirect is automatic.…
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