docs: Add SaaS release notes for 2025-12-29

docs/source/guide/release_notes/saas/2025-12-29.md

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+*Dec 29, 2025*
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+## Label Studio Enterprise SaaS 2025-12-29
+### Other
+- Fix bug with <DateTime> tag when Consensus based agreement is enabled [UTC-441](https://humansignal.atlassian.net/browse/UTC-441)
+- Async import returns HTTP 201 but fails silently when task data or predictions don’t match label_config [FIT-1124](https://humansignal.atlassian.net/browse/FIT-1124)
+- Fixed styling issue when navigating back from the Activity Log page into the Members Page [UTC-431](https://humansignal.atlassian.net/browse/UTC-431)
+- fix: Hide allow_skip column in existing tabs [UTC-444](https://humansignal.atlassian.net/browse/UTC-444)
+- Addressed an issue that causes the region context menu to not be usable since it disappears when user tries to hover on it [FIT-1139](https://humansignal.atlassian.net/browse/FIT-1139)
+- Allow media devices (microphone, camera, etc.) capturing withing CustomInterface [BROS-676](https://humansignal.atlassian.net/browse/BROS-676)
+- Updated HyperText to support passing in youtube iframes with inline="true" - this will require updates to the project labeling config to make sure the updated youtube iframe code is being passed in [FIT-1129](https://humansignal.atlassian.net/browse/FIT-1129)
+- Removes Top Bar on Labeling Stream. Moves Current Task and navigation controls to the Bottom Action Bar. [BROS-596](https://humansignal.atlassian.net/browse/BROS-596)
+- Implement metrics selection for "Consensus" and "Pairwise" setup [UTC-446](https://humansignal.atlassian.net/browse/UTC-446)
+- Remove allow skip functionality from LSO [UTC-445](https://humansignal.atlassian.net/browse/UTC-445)
+- Implemented onboarding and continuous annotator evaluation [UTC-416](https://humansignal.atlassian.net/browse/UTC-416)
+- Addressed an out of memory issue in storage task sync [FIT-1152](https://humansignal.atlassian.net/browse/FIT-1152)
+- Updated sidebar menu layout focusing on icons [FIT-529](https://humansignal.atlassian.net/browse/FIT-529)
+- Fixed a bug where a shared project could not be unshared [UTC-433](https://humansignal.atlassian.net/browse/UTC-433)
+- Degraded mode for activity log [PLT-963](https://humansignal.atlassian.net/browse/PLT-963)
+- Added a new column to the DM for visualizing which tasks have the allow_skip flag enabled [UTC-440](https://humansignal.atlassian.net/browse/UTC-440)
+- remove fflag_feat_front_prod_281_project_list_search_19072023_short [FIT-1143](https://humansignal.atlassian.net/browse/FIT-1143)
+- Add gpt-5.2 model to prompts [UTC-442](https://humansignal.atlassian.net/browse/UTC-442)
+- Membership detail endpoint now has created_projects and contributed_to_projects fields In Membership list endpoint deprecated those fields nested in `user` and promoted them to the root of the response Optimizations in both endpoints [UTC-447](https://humansignal.atlassian.net/browse/UTC-447)
+- Fix prediction validation for Ranker tag [UTC-437](https://humansignal.atlassian.net/browse/UTC-437)
+- Remove annotation history objects along with projects [BROS-580](https://humansignal.atlassian.net/browse/BROS-580)
+- Retry mechanics for async migrations [PLT-959](https://humansignal.atlassian.net/browse/PLT-959)
+- Added bult-in vs custom options to agreement methodologies [UTC-449](https://humansignal.atlassian.net/browse/UTC-449)
+- New Organization members management page [UTC-402](https://humansignal.atlassian.net/browse/UTC-402)
+- Update Anthropic models available in prompts [UTC-455](https://humansignal.atlassian.net/browse/UTC-455)
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