# TKT-20: Restrict the characters for usernames to alphanumeric

## Metadata

| Field | Value |
| --- | --- |
| Project | tracker |
| ID | TKT-20 |
| Type | feature |
| Priority | P2 · Normal |
| State | open |
| Reporter | Viktor (@viktor) |
| Created | 2026-04-15 13:29:06 |

## Description

Restrict the characters for usernames to alphanumeric
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*Report generated klarhet.app — Klarhet*