Björn Ritzl

I don't have any suggestion at this time. Does it have to be a full game or could it be a "slice" of a game used only for testing purposes?

@vkmelnik my sincere apologies for not getting back to you! I started reviewing the changes when you submitted the PR and then for some reason got interrupted and forgot about...

It looks like it is font related. Are you using a custom font and imgui.font_add_ttf_data()? If so, is the font available and loaded correctly?

> our QA sometimes cought it only in iframe on platforms Interesting. How are you loading the font?

> imgui/src/imgui/imgui_draw.cpp,1899,AddFont I should probably update to the latest version of DearImGUI. The version used in this extension is two years old. It might help. One thing which you could...

@SalavatR would you mind trying with the latest version? It was updated to ImGui 1.89.9. And if it doesn't work then please provide a sample project that I can try.

> if i open many tabs very fast i got error: I can also reproduce this. I looked more closely at the code when the font is loaded from memory...

That is not exactly the same error though. Initially it was `IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);` but now it is `IM_ASSERT(font_cfg->SizePixels > 0.0f);`

What is the size you are passing to `imgui.font_add_ttf_data()` ?

Yes, this might be useful to have. I am a bit concerned about the added work maintaining two branches and making sure to merge fixes from the main branch to...