SQL Server Management Studio 18.4

What's new in this version:

New:
Data Classification:
- Added support for custom information protection policy for data classification

Query Store:
- Added the Max Plan per query value in the dialog properties
- Added support for the new Custom Capture Policies

SMO/Scripting:
- Support Script of materialized view in SQL DW
- Added support for SQL On Demand

SQL Assessment API:
- Added 50 assessment rules (see details on GitHub)
- Added base math expressions and comparisons to rules conditions
- Added support for RegisteredServer object
- Updated way how rules are stored in the JSON format and also updated the mechanism of applying overrides/customizations
- Updated rules to support SQL on Linux
- Updated the ruleset JSON format and added SCHEMA version
- Updated cmdlets output to improve readability of recommendations

XEvent Profiler:
- Added error_reported event to XEvent Profiler sessions


Fixed:
Analysis Services:
- Fixed an issue where the DAX Script editor for multi-dimensional databases didn't show tables in the IntelliSense
- Use DAX Parser to convert to an Engine string. This is for international separators, decimal, and whitespace

Always Encrypted:
- Fixed an issue where the claim validation was not case insensitive
- Fixed an issue where error/warning reporting was not properly working

Copy Database Wizard:
- Fixed assorted truncation and layout issues in the rendering of this dialog

General SSMS:
- Fixed a long outstanding issue where SSMS was not honoring the connection info passed at the command line when SQL files were also specified.
- Fixed a crash in SSMS while trying to display Securables on "Replication Filter" objects.
- Mitigated the removal of the -P command-line option by having SSMS look at its cache of credentials: if the required credential were found, the connection would be established using it

Import flat file:
- Fixed an issue where Import Flat File functionality not handling text qualifiers correctly

Object Explorer:
- Fixed an issue where dropping an Azure SQL Database in Object Explorer was showing an incorrect message

Query Results:
- Fixing an issue introduced in SSMS 18.3.1, where grids would be drawn slightly too narrow and show ... at the end of the longest string in every column

Replication Tools:
- Fixed an issue that was causing the application to throw an error ("Could not load file or assembly…") when trying to edit SQL Agent jobs

SMO/Scripting:
- Fixed an issue when Script Table As… for SQL DW whose collation is Japanese_BIN2 was not working
- Fixed an issue where ScriptAlter() ended up executing the statements on the server

SQL Agent:
- Fixed an issue where the agent operator UI would not update the operator name when it was changed in the UI, nor would it be scripted. See UserVoice for more details