Problemsby GlyphMicrosoft Fabric users keep asking for help
10 posts from 9 people8d activeFading, +0 this week
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The posts behind it
SQL: support time-zone-aware timestamps (CAST AS TIMESTAMPTZ / TIMESTAMP WITH TIME ZONE, AT TIME ZONE)
### Description Polars SQL has no way to produce a time-zone-aware `Datetime`, although the DataFrame API supports them fully (`dt.replace_time_zone` / `dt.convert_time_zone`). On polars 2.0.0: Requested, in order of usefulness: 1. `CAST(x AS TIMESTAMPTZ)` / `TIMESTAMP WITH TIME...
Is there a REST API to grant item-level "Read" on a Lakehouse (to automate OneLake security)?
...permission), the connection is rejected regardless of any data-level permissions.. I can't find a REST API to grant item-level Read only. This leaves one manual step in an otherwise automated flow.. Is there a supported API to grant item-level Read on a Lakehouse to Entra...
Fabric Runtime 2.0 - pipelines (many small python tasks) taking +60% runtime?
...now I'm realising that my nightly pipeline is taking around +60% runtime to complete. Is anyone else seeing similar?. For context, the style is "metadata framework", so almost all the time is spent running smallish tasks as notebooks. There are ~80 needed. It was taking ~5 hours...
New monitor hub saves multiple views with identical names
...saved View in the new Monitor hub (preview).. So I made the change, and then I thought - how do I make sure this change gets persisted in the View?. I tried 'Save view as' and entered the same view name, attempting to overwrite the original View. But this didn't overwrite the...
Mini Rant - ISO 8601 datetime format
https://preview.redd.it/85sgxthb73th1.png?width=242&format=png&auto=webp&s=ca410589a9fee06e308e37f5244a5ef1a919c29f . Setting a datetime format in my semantic model and this abomination of a list of 'Common date formats'. ISO 8601 should be the first (and I wish only) option..
Workspace list is growing long and hard to navigate
Two pain points I have in my Fabric environment:. In general, navigation menus in Fabric are not well suited for having a lot of workspaces.. . Some navigation menus are not well suited for having long workspace names.. . Why have many workspaces? To align with good practices in...
PowerTable - How to change Database?
...data/reference tables. When we now deploy it to Test, it still points to the Dev DB. How do I make it point to the Test DB. . I noticed that there is a Variable Library option when we create a new sheet (this did not exist a few weeks ago) and if we use it it correctly points to...
New Monitoring Hub
...could you move the "Back to legacy Monitoring Hub" link to the right? It's quite annoying because, in the back of my mind, it always feels like a back button that takes me to the original Monitoring Hub.....
Reacting to changes in SharePoint - Still needs hacks and workarounds?
Haven’t spotted any mention of the one feature I’m waiting for amongst the new announcements, starting to wonder if I missed a feature drop along the way.. Microsoft has long championed SharePoint as a first-class citizen when it comes to storing files that need to be accessible...
Data Engineering in Microsoft Fabric
...to write python notebooks for the ETL. Anyone else who ahs used Fabric can offer any tips or advice for things I can potentially build using Fabric that will translate to other jobs.. I know Fabric isn't Snowflake or Databricks, I'm looking to make the best of the situation I'm...
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About this problem
Evidence
10 posts from 9 people in 3 places, about 3 a week over 28 days. Mostly on r/MicrosoftFabric, r/dataengineering, pola-rs/polars. Tools named alongside: Snowflake, Databricks, dbt, Polars.
Frustration Frustration 0 of 3· Seen on Reddit, GitHub issues
How it was grouped
Posts about Microsoft Fabric that state a pain but match no known issue yet. First post Sep 15, 2026, latest Oct 12, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
Other Microsoft Fabric problems
Microsoft Fabric tables suffer from small files and skew
2 posts from 2 people on GitHub issues, Stack Overflow. Unverified.
Modeling data in Microsoft Fabric is unclear and hard to change
2 posts from 2 people on Reddit. Unverified.
History