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Fix ServerTimestamp update on read of stored/static nodes (#4257) - #4260

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marcschier merged 1 commit into
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romanett-eval-issue-4257-timestamps
Aug 18, 2026
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marcschier merged 1 commit into
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romanett-eval-issue-4257-timestamps

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Summary

Backports the fix for ServerTimestamp updating on Read operations for stored/static nodes to master378 (1.5.378), addressing issue #4257 (part 2).

Details

  • In CustomNodeManager and CoreNodeManager, ensure ServerTimestamp is stamped with the read time for stored/static nodes whose SourceTimestamp is older than
    eadTime (e.g. after a Write).
  • Retain matching SourceTimestamp and ServerTimestamp for dynamically produced values generated during Read (such as ServerStatus children).
  • Adds unit test ReadStaticVariableStampsFreshServerTimestampAfterWriteAsync in ReferenceServerTest.cs to verify that after writing to a static variable, subsequent reads return ServerTimestamp stamped with the current read time.

Fixes #4257 (ServerTimestamp behavior)

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codecov Bot commented Aug 15, 2026

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Codecov Report

❌ Patch coverage is 62.50000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.21%. Comparing base (db256c6) to head (9aab965).

Files with missing lines Patch % Lines
...aries/Opc.Ua.Server/NodeManager/CoreNodeManager.cs 0.00% 3 Missing ⚠️

❌ Your patch check has failed because the patch coverage (62.50%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

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@@              Coverage Diff              @@
##           master378    #4260      +/-   ##
=============================================
+ Coverage      60.19%   60.21%   +0.01%     
=============================================
  Files            378      378              
  Lines          79067    79069       +2     
  Branches       13838    13840       +2     
=============================================
+ Hits           47598    47614      +16     
+ Misses         27047    27034      -13     
+ Partials        4422     4421       -1     
Files with missing lines Coverage Δ
...ies/Opc.Ua.Server/NodeManager/CustomNodeManager.cs 60.92% <100.00%> (-0.20%) ⬇️
...aries/Opc.Ua.Server/NodeManager/CoreNodeManager.cs 13.42% <0.00%> (-0.01%) ⬇️

... and 6 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

- Backport ServerTimestamp update logic on Read from master (#3960)
- In CustomNodeManager and CoreNodeManager, stamp ServerTimestamp with current read time for stored/static nodes whose SourceTimestamp is older than read time
- Maintain SourceTimestamp and ServerTimestamp alignment for dynamically produced values during Read (such as ServerStatus children)
- Add unit test verifying fresh ServerTimestamp after writing a static node

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
@romanett romanett linked an issue Aug 15, 2026 that may be closed by this pull request
@romanett romanett added the 1.5.378 Only affects 1.5.378 (pre 2.0) label Aug 15, 2026
@romanett
romanett requested a review from marcschier August 15, 2026 11:45
@marcschier
marcschier merged commit 2ae373f into master378 Aug 18, 2026
110 of 111 checks passed
@marcschier
marcschier deleted the romanett-eval-issue-4257-timestamps branch August 18, 2026 16:19
GoetzGoerisch pushed a commit to umati/connect that referenced this pull request Sep 23, 2026
…5.378.176 (#45)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [OPCFoundation.NetStandard.Opc.Ua](https://github.com/OPCFoundation/UA-.NETStandard) | `1.5.378.156` → `1.5.378.176` | ![age](https://developer.mend.io/api/mc/badges/age/nuget/OPCFoundation.NetStandard.Opc.Ua/1.5.378.176?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/OPCFoundation.NetStandard.Opc.Ua/1.5.378.156/1.5.378.176?slim=true) |

---

### Release Notes

<details>
<summary>OPCFoundation/UA-.NETStandard (OPCFoundation.NetStandard.Opc.Ua)</summary>

### [`v1.5.378.176`](https://github.com/OPCFoundation/UA-.NETStandard/releases/tag/1.5.378.176): OPC UA 1.05 Maintenance Update

[Compare Source](OPCFoundation/UA-.NETStandard@1.5.378.156...1.5.378.176)

Maintenance Release for fixing bugs found on the main378 development branch.

#### Released packages

[OPCFoundation.NetStandard.Opc.Ua](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Core](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Core/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Security.Certificates](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Security.Certificates/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Configuration](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Configuration/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Server](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Server/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Client](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Client/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Client.ComplexTypes](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Client.ComplexTypes/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.Bindings.Https](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.Bindings.Https/1.5.378.176)
[OPCFoundation.NetStandard.Opc.Ua.PubSub](https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua.PubSub/1.5.378.176)

#### What's Changed

- Fix publish queue lost wake-up by [@&#8203;marcschier](https://github.com/marcschier) in [#&#8203;4017](OPCFoundation/UA-.NETStandard#4017)
- Obsolete legacy TraceConfiguration in favor of ITelemetryContext by [@&#8203;marcschier](https://github.com/marcschier) with [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;4090](OPCFoundation/UA-.NETStandard#4090)
- Preserve publish queue timestamp ordering by [@&#8203;marcschier](https://github.com/marcschier) with [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;4084](OPCFoundation/UA-.NETStandard#4084)
- Fix BadContinuationPointInvalid caused by empty continuation point in Browser.BrowseAsync by [@&#8203;marcschier](https://github.com/marcschier) in [#&#8203;4168](OPCFoundation/UA-.NETStandard#4168)
- Add documentation for custom NodeSet2 authoring workflow by [@&#8203;romanett](https://github.com/romanett) with [@&#8203;Copilot](https://github.com/Copilot) in [#&#8203;4170](OPCFoundation/UA-.NETStandard#4170)
- Fixed timer leaks in ChannelAsyncOperation.EndAsync ([#&#8203;3669](OPCFoundation/UA-.NETStandard#3669)) by [@&#8203;KarenKrill](https://github.com/KarenKrill) in [#&#8203;4166](OPCFoundation/UA-.NETStandard#4166)
- Treat zero MaxNotificationsPerPublish as unlimited (OPC 10000-4) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4263](OPCFoundation/UA-.NETStandard#4263)
- fix(server): enforce browse continuation point limit at capacity ([#&#8203;4036](OPCFoundation/UA-.NETStandard#4036)) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4270](OPCFoundation/UA-.NETStandard#4270)
- Fix unordered server endpoint validation ([#&#8203;4029](OPCFoundation/UA-.NETStandard#4029)) \[backport to master378] by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4269](OPCFoundation/UA-.NETStandard#4269)
- fix: don't return continuation points on BadNoContinuationPoints ([#&#8203;4022](OPCFoundation/UA-.NETStandard#4022)) \[backport to master378] by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4268](OPCFoundation/UA-.NETStandard#4268)
- fix: scope Cancel request matching to the current session ([#&#8203;4023](OPCFoundation/UA-.NETStandard#4023)) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4267](OPCFoundation/UA-.NETStandard#4267)
- Set ContinuationPoint to null when browse is finished (port of [#&#8203;4057](OPCFoundation/UA-.NETStandard#4057)) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4266](OPCFoundation/UA-.NETStandard#4266)
- Default TransportQuotas in ApplicationConfiguration.ValidateAsync to prevent server-start NullReferenceException (backport to master378) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4264](OPCFoundation/UA-.NETStandard#4264)
- Fix ServerTimestamp update on read of stored/static nodes ([#&#8203;4257](OPCFoundation/UA-.NETStandard#4257)) by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4260](OPCFoundation/UA-.NETStandard#4260)
- Fix reverse connect hold time when several Servers share one listener by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4341](OPCFoundation/UA-.NETStandard#4341)
- \[master378] Fix Publish with maximum TimeoutHint by [@&#8203;mrsuciu](https://github.com/mrsuciu) in [#&#8203;4373](OPCFoundation/UA-.NETStandard#4373)
- \[master378] Send the filtered retain trailing event with a client specific Retain = false by [@&#8203;romanett](https://github.com/romanett) in [#&#8203;4454](OPCFoundation/UA-.NETStandard#4454)
- Master378 backport ctt changes by [@&#8203;mrsuciu](https://github.com/mrsuciu) in [#&#8203;4326](OPCFoundation/UA-.NETStandard#4326)
- Update Microsoft.SourceLink.GitHub and  Microsoft.SourceLink.AzureRepos.Git from 10.0.102 to 10.0.111 by [@&#8203;mrsuciu](https://github.com/mrsuciu) in [#&#8203;4465](OPCFoundation/UA-.NETStandard#4465)

**Full Changelog**: <OPCFoundation/UA-.NETStandard@1.5.378.156...1.5.378.176>

</details>

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This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate).
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Reviewed-on: https://codeberg.org/umati/connect/pulls/45
Signed-off-by: umati-bot <git-bot@umati.org>
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Issue with SourceTimestamp and ServerTimestamp

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