# v4.27
## Release highlights
### 1. Profiling filter in Data Catalog
Users will be allowed to query which structures on the data catalog have data profiling information
### 2. New events for subscriptions
Following events have been added to be manage through the subscription section (admin user only). This will allow to receive notifications with events produced by the newest features in truedat:
* Granted access
* Revoked access
* Structure notes status changes
{% hint style="warning" %}
Remember that grant information needs to be populated using local integrations
{% endhint %}
## Features and fixes delivered with this release
### Features
* TD-3546 As a Data Catalog user I want to filter the structures for which I have profiling information
* TD-3910 As an admin I want to create subscriptions to structures notes status changes
* TD-3951 As a data catalog user I want to receive a notification when a grant for my user is created/deleted
* TD-3972 As a quality user I want to define a population on the referenced table when using referenced in operator
* As a template manager I want to define the default value of a field depending on the value of a previous field
* TD-3983 As a data catalog user I want to request access to a number of structures
### Fixes
* TD-4004 Data Quality: boolean column is being treated as string
* TD-4028 Impact tab in structure details is redirecting to lineage view
* TD-4032 Default landing page should be customized
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.truedat.io/v8.4/release-notes/v4/v4.27.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.