Lila: "Chess basics" don't load on iPad

Created on 14 Nov 2020  路  6Comments  路  Source: ornicar/lila

I just noticed that the "Chess basics" section doesn't properly load for me on two different iPads (tested Safari and Brave browsers). It works fine on an Android phone and my Windows computer.

Steps to reproduce:

  1. Log out (so that you don't have any progress)
  2. Go to https://lichess.org/learn#/
  3. Choose any piece e.g. the rook - now the board appears in the background with the small overlay titles "Stage 1: The rook"
  4. Hit "LET'S GO"

What happened?
I hear a sound but the overlay stays and the tab seems to consume a lot of CPU resources.

What I expected?
The exercise should load.

Tested on:

  • iPad 6th Gen and iPad 8th Gen, both iOS 14.2
  • most recent versions of Safari and Brave
bug exotic browser no scala

Most helpful comment

Happens on an iPhone with both Safari and Chrome browsers.

All 6 comments

Can reproduce on IOS 14.2

Can reproduce in Browserstack, but unable to get a stacktrace or logged errors.

Happens on an iPhone with both Safari and Chrome browsers.

I can reproduce on my Iphone X and on an Ipad Mini.

Reproduced on iPhone SE (2020) with Safari and Chrome.

On an iPad 2020 in both Safari and Firefox I can play the initial lessons (perhaps because they were already started on from a laptop?), but trying lesson 13 and 14 which I hadn't tried yet they seem to be giving this issue (I hear the sound on clicking the start button, but nothing happens).

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