(Experimental duplicate detection)
Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:

• markdown files preview does not save scroll position (#63690)
• Can't scroll a markdown preview using touch (#39195)
• Scrolling markdown preview to top does not always reveal first line of editor (#61815)
• Drag markdown preview to New Window (#32818)
• Unable to DND over any editor (markdown, html preview) (#25856)

This looks like a duplicate of #53545

Please share the source of your markdown file

@mjbvz Here's the source: https://gist.githubusercontent.com/the-ress/5f6c071c50db5caf82783e04a07d2a4e/raw/292549c1e46eed95fa336566edff950046f3cc99/sample.md

@mjbvz I'm seeing the same behavior as OP with provided file still

I am seeing this on Version 1.35.1 for MacOS. Just did a google search after I experienced this issue and came across this thread. I also had a pending update to 1.36.0 that I installed, and still see the same behavior.

I'm experiencing the same issue. It seems to be somehow caused by a lot of badges/shields in one line.

Here is my affected file: https://gist.github.com/BjoernPetersen/0510004e98161626741e31adc4400109

Hi there also have this nasty bug with this file
https://gist.github.com/Kwaadpepper/a4568f1ed718cab1ec3b59d3d7ac3e76

As for markdown related extension, I have

Nom : Markdown All in One
ID : yzhang.markdown-all-in-one
Description : All you need to write Markdown (keyboard shortcuts, table of contents, auto preview and more)
Version : 2.4.2
Serveur de publication : Yu Zhang
Lien de la Place de marché pour VS : https://marketplace.visualstudio.com/items?itemName=yzhang.markdown-all-in-one

Nom : markdownlint
ID : davidanson.vscode-markdownlint
Description : Markdown linting and style checking for Visual Studio Code
Version : 0.30.2
Serveur de publication : David Anson
Lien de la Place de marché pour VS : https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint

It looks like the file Windows scrolls when typing just a bit and preview windows have difficulties to follow and desynchronizes itself. Making a mouse quick scroll replaces things right.

EDIT: I can confirm removing badges solves this issue.

EDIT 2:

Broke image link in preview windows causes this erratic behaviour.

[![GitHub version](https://badge.fury.io/gh/kwaadpepper%2Flaravel-responsivefilemanager.svg)](https://badge.fury.io/gh/kwaadpepper%2Flaravel-responsivefilemanager)

Here is HTTP headers for https://badge.fury.io/gh/kwaadpepper/laravel-responsivefilemanager.svg answer
It comes with no html content

HTTP/1.1 404 Not Found
Server: Cowboy
Date: Sun, 15 Sep 2019 06:53:29 GMT
Connection: keep-alive
Content-Type: application/octet-stream
X-Request-Id: 97612d01-06de-4259-9674-304cfdc56f55
X-Runtime: 0.008840
Access-Control-Allow-Origin: https://badge.fury.io
Access-Control-Allow-Methods: GET
Access-Control-Allow-Headers: x-requested-with
Access-Control-Max-Age: 3628800
Vary: Accept-Encoding
Content-Encoding: gzip
Transfer-Encoding: chunked
Via: 1.1 vegur

And for link anwser https://badge.fury.io/gh/kwaadpepper/laravel-responsivefilemanager
It comes with a small html 404 content

HTTP/1.1 404 Not Found
Server: Cowboy
Date: Sun, 15 Sep 2019 06:54:53 GMT
Connection: keep-alive
Content-Type: text/html; charset=utf-8
X-Request-Id: 1fbadc19-b7ea-4d74-b4b7-2261dc93b16d
X-Runtime: 0.006767
Vary: Accept-Encoding
Content-Encoding: gzip
Transfer-Encoding: chunked
Via: 1.1 vegur

If I put html content it works ok

<a href="https://badge.fury.io/gh/Kwaadpepper%2Flaravel-responsivefilemanager"><img src="https://badge.fury.io/gh/Kwaadpepper%2Flaravel-responsivefilemanager.svg" alt="GitHub version" height="18"></a>

I see this behavior consistently if there is a scaled image in the preview pane. In my CSS I set the max-width of images to 100%. I think this is what produces the issue.

Another clue: turning off markdown.preview.scrollPreviewWithEditor prevents the problem (but also obviously stops the preview position from synching with the editor).

I think the problem went away in the previous release. At least I didn't notice it. But now it's back again. Very frustrating bug.

Face the same problem with this version

Have to use https://hackmd.io/ instead of it because of this annoying bug

Same issue. for me it scrolls upwards.

Related to #89930?

I have the same issue, and I noticed that once I insert an image in it ,this will happen, but when I didn't have images in it, the preview works fine, it has been there for many versions and I nearly encounter it with every version I've used(from the mid of last year.).

Also experiencing this issue, which seems to be new (I've previously edited the same document in Markdown Preview mode without having the page scrolling up one line every time I type a character)

It's been reported a number of times it seems. There's a closed issue here #57216

I have the same issue, and I noticed that once I insert an image in it ,this will happen, but when I didn't have images in it, the preview works fine, it has been there for many versions and I nearly encounter it with every version I've used(from the mid of last year.).

With the latest version, 1.51.1, this was fixed, thank you !

Still reproducible with 1.51.1!
As mentioned is comment out my embedded images, which solved the issue for me...

The bug is still open on v1.52.0.

Version: 1.52.0 (system setup)
Commit: 940b5f4
Date: 2020-12-10T22:45:11.850Z
Electron: 9.3.5
Chrome: 83.0.4103.122
Node.js: 12.14.1
V8: 8.3.110.13-electron.0
OS: Windows_NT x64 10.0.19042

I used workaround by open 2 visual code editor, one with readme editor and other with readme Preview. This have stopped the scrolling to the middle on the readme editor. which work much faster.

The bug is still open.

Version: 1.53.0
Commit: 8490d3d
Date: 2021-02-03T16:01:04.046Z (3 days ago)
Electron: 11.2.1
Chrome: 87.0.4280.141
Node.js: 12.18.3
V8: 8.7.220.31-electron.0
OS: Darwin x64 20.2.0

See #115864 (comment).

You should try disabling all the extensions.