I don’t really know if something like this is already being discussed elsewhere, but I wanted to talk a bit about Plasma LTS releases.
Considering that Debian 13 is releasing soon in about 2 months, and that Plasma 6.3.5 is releasing also in about 2 months, and that x.x.5 releases are currently (at the time of writing) the last bugfix releases for each minor (6.x) plasma release, it could be benefitial to consider a KDE Plasma LTS Releases policy (as Plasma 6 currently does not have any at the time of writing) to create and maintain a LTS release for about 2 years to align with Debian Stable as well as Ubuntu LTS releases.
To add to this, there have been a lot of bugs fixed in the last couple weeks for Plasma 6.3.3.
It seems (at least to me) that Plasma is in a very reliable state to consider a LTS release of Plasma 6.3.x that aligns with Ubuntu LTS and Debian releases, also considering the fact that Debian 13 plans to ship Plasma 6.3.5.
To be clear, I am just an outsider. I don’t know how the KDE teams work, or even if the Debian KDE and upstream teams are working together and already planning something like this. But this seems too good of an opportunity to let it pass unnoticed.
Hi - for what it’s worth, as an outsider to the development process…I suspect some relevant questions about such an effort would include:
- Who is going to volunteer or sponsor the additional development work and project coordination that would be required?
- How well does a feature-frozen, backported-patches version of Plasma align with the general approach of KDE developers - which tends to be fast-moving, with the best user experiences generally provided by keeping up-to-date with current software?
- Which KDE Goals would served by reintroducing such a product release?
Related to Debian and Ubuntu - both projects seem to be pretty limited in what they would accept from upstream anyway, considering Debian Stable never adopted KDE developers’ 6 subsequent point releases of Plasma 5.27 “LTS”, and Kubuntu is over a year away from another LTS release of its own.
I’m far from an expert myself, but my slightly educated guess is that it would be a decent amount more work on the upstream KDE side, working in a way that doesn’t inherently mesh well with how KDE projects tend to run, and with limited adoption by distributions and therefore limited downstream benefit to users. But, there could very well be a lot of factors I’m not thinking of that would lean in favor of such an effort - just throwing my own initial thoughts out there 
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Great idea, but I doubt it will bring any relevant effects. Plasma 5.27 is an LTS, yet the latest bugfix update is not in bookworm. This will just add more work to KDE without any benefit to Debian. The only LTS distro that has cared about bug fixes in the LTS versions of Plasma is (K)ubuntu, whose LTS version is scheduled for 2026. Probably with Plasma 6.4.
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