# Header-Symbol nach Upgrade unsichtbar

**URL:** https://meta.discourse.org/t/header-icon-invisible-after-upgrade/110121
**Category:** Support
**Created:** [26. Februar 2019 um 12:58 UTC](https://meta.discourse.org/t/header-icon-invisible-after-upgrade/110121 "2019-02-26T12:58:33Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Stranik](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stranik/32/85638_2.png) [@Stranik](https://meta.discourse.org/u/Stranik)
#### Post date: [26. Februar 2019 um 13:52 UTC](https://meta.discourse.org/t/header-icon-invisible-after-upgrade/110121/2 "2019-02-26T13:52:30Z")

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Can be the reason in this?

> [@Introducing Font Awesome 5 and SVG icons](https://meta.discourse.org/t/introducing-font-awesome-5-and-svg-icons/101643):
>
> See also: [We're upgrading our icons to Font Awesome 6!](https://meta.discourse.org/t/were-upgrading-our-icons-to-font-awesome-6/325349) We will shortly merge into master a [branch](https://github.com/discourse/discourse/tree/fontawesome5) that upgrades Discourse to Font Awesome 5.5.0 (the free version) and switches to using SVG icons instead of an icon font. This is a substantial change, with lots of benefits, and one significant change for developers. Here is a quick rundown of the changes: using SVG icons will provide crisper icons, better for accessibility and easier to customize, see [this Github article](https://blog.github.com/2016-02-22-delivering-octicons-with-svg/) for more details since…

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