Glock KaBOOMs were a legitimate concern but a combination of Glock changes and our personal actions can prevent them.

One cause was the unsupported, almost loose chambers in early Glocks. Glock tightened these up significantly many years ago. Glocks were originally built as military pistols. Military pistols have different requirements than police or private citizen arms. Glock has adapted.

A second cause was shooting lead bullets. Glocks use polygonal rifling and lead bullets tend to shed in this type of rifling more so than in conventional rifling.  A build-up of lead in bores can raise pressures.

A third cause was poorly assembled reloads.  Easily avoidable.

A fourth consideration not often mentioned is the use of extra high pressure factory loads.  There is no such thing as a +P .40S&W so if you ever run across anything so-marked, it indicates either loads that are not loaded within established pressure levels, ignorance on the part of the loader/manufacturer, or both.  To be avoided!

With those items all well in mind, I don't think you have any reason to worry about Glock KaBOOMs.  Ten years ago they concerned me.  FWIW, they no longer do.