Kelson

@ShaopengLin Thank you very much for your PR. For the moment I'm not able to compile it on my Ubuntu 22.04 but should move soon to 24.04 and hope this...

@ShaopengLin I have moved to 24.04. Would you be able please to rebase on `main` so I can finally move forward with the testing?

@ShaopengLin I see the menu entry but nothing happens if I click on it: no sound not bottom bar visible. I use Ubuntu 24.04 wieth Qt 5.15.13.

> @kelson42 As mentioned in this [comment](https://github.com/kiwix/kiwix-desktop/pull/1143#issuecomment-2238324534) we moved compilation to Qt6.4+. I will make a change so those menu entries are invisible in Qt 6.4 and below. @ShaopengLin Then...

@ShaopengLin For me, does not compile with Qt 6.4.2: ``` g++ -c -pipe -std=c++17 -Werror -I/usr/local/include/ -I/usr/local/include -I/usr/include/x86_64-linux-gnu -I/usr/include/p11-kit-1 -O2 -std=gnu++1z -Wall -Wextra -fPIC -D_REENTRANT -DVERSION=2.3.1 -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x060000 -DQT_NO_DEBUG -DQT_WEBENGINEWIDGETS_LIB...

@sgourdas Can you please fix compilation regression we have now with Qt6? This is blocking review of this PR.

Actually I don't have Qt6.7+ on my Ubuntu 24.04. How should i test this? @ShaopengLin @sgourdas Do you use a PPA to get the most recent version?

@sgourdas If you change the prerequisites, you need to update the compilation script (here the project file) to be sure that the compilation stops properly with a clear error if...

@ShaopengLin Now it compile with Qt6.4, but I have no clue how to activate the TTS (I see nothing in the "Edit" menu for example).  Can you please be...

@ShaopengLin I have installed `qt6-speech-dev` and now it seems I have the feature (but no language at all!?)... but there is as well a package `libqt5texttospeech5-dev`, so I wonder a...