Qt/Javascript version/old Mac support

• Jan 15, 2020 - 12:19

Just to refresh my memory, did I read here that Qt is going to stop supporting 5.9 in a small number of months? Will that be sufficient impetus to move the Mac version forward? (I assume that means that people wanting to build with it won't find it on their site). It's getting hard to find Javascript documentation apropos to the 10-year old ES 5 (of Qt 5.9) - ES 6 is already 5 years old, and although JS documents tell you which (current) browsers support certain features, no such attention is given to ES 5.


Comments

Qt LTS is good for 3 years, Qt 5.9 got released in 31st May 2017, so indeed support should end 1. June 2020.
Qt 5.12 got released 6. December 2018.
The next LTS, 5.15 will get released sometime in February I guess (a first snapshot is available already), but certainly before 5.9 runs out.
So maybe we can skip 5.12 and jump to 5.15 before the end of May?
Not sure how many older macOS would fall between the cracks then though? The switch to 5.12 would certainly leave macOS 10.10 and 10.11 behind.

Only thing we could do now is to switch to 5.12 for all platforms (we've been there before), and have a separate build just for macOS 10.10 and 10.11 using Qt 5.9 (and with the old Java Script)

It just occurred to me that were this to be fixed tomorrow (i.e., MS 3.4), I would still have to think hard about using ES 6 features, lest the new versions of my plugins not be usable by those using MS 3.3/Mac who don't want to upgrade. In effect, ES 5-usable versions are my own "LTS" albatross ... I suppose GitHub forking could help deal with that...

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