Kde Plasma 6.3 · Version Status

Kde Plasma 6.3 End of Life Date

Kde Plasma 6.3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.

Kde Plasma 6.3 is past end of life. This version no longer receives security patches. 326 days past EOL — migrate to a supported version immediately.
EOL Date
Jun 17, 2025
326 days past EOL
Latest Release
6.3.6
Standard release
Release Date
Feb 11, 2025
Kde Plasma 6.3 series
← Kde Plasma 6.2 All Kde Plasma versions Kde Plasma 6.4 →
Recommended upgrade path
Kde Plasma 6.6
Latest release: 6.6.4 · EOL: Supported
View full Kde Plasma timeline →
All Kde Plasma Versions
VersionLatestEOL DateStatus
5.18 LTS 5.18.8 Feb 11, 2022 EOL
5.23 5.23.5 Feb 3, 2022 EOL
5.24 LTS 5.24.7 Oct 14, 2022 EOL
5.25 5.25.5 Oct 11, 2022 EOL
5.26 5.26.5 Feb 14, 2023 EOL
5.27 LTS 5.27.12 EOL Active
6.0 6.0.5 Jun 18, 2024 EOL
6.1 6.1.5 Oct 8, 2024 EOL

What does Kde Plasma 6.3 end of life mean?

When Kde Plasma 6.3 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Kde Plasma 6.3 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.

Migrate to Kde Plasma 6.6 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does Kde Plasma 6.3 reach end of life?
Kde Plasma 6.3 reached end of life on June 17, 2025. This version is no longer receiving security patches.
Is Kde Plasma 6.3 still supported?
No. Kde Plasma 6.3 reached end of life on June 17, 2025 and is no longer receiving security patches.
What should I upgrade to from Kde Plasma 6.3?
The recommended upgrade from Kde Plasma 6.3 is Kde Plasma 6.6 — the latest actively supported version. Check the Kde Plasma full timeline for all supported versions.
What are the security risks of running Kde Plasma 6.3 past EOL?
When Kde Plasma 6.3 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Kde Plasma should migrate immediately or implement compensating controls.
Data from endoflife.date API · Generated at build time · How we source data →