JDK 25 Upgrade Blocker Lint

readystack.jdk25-upgrade-blocker-lint · by ReadyStackVS Marketplace Not verifiedOpen VSX Not verified

First Released:

VS Marketplace: Oct 16, 2026
Open VSX: Sep 17, 2026

Last Updated:

VS Marketplace: Oct 21, 2026
Open VSX: Oct 21, 2026

Finds Java code that JDK 21/25 removed or refuses to run — Security Manager, sun.misc.Unsafe, javax.* imports, Applet, Thread.stop — before you leave Java 17.

Linters

Install in VS Code ↗Compare ↗

VS Marketplace ↗Open VSX ↗Repository ↗

Historical performance

7d 15d 30d 90d 1y All

VISUAL STUDIO MARKETPLACE

Installs growth

Last snapshot: Nov 4, 2026, 22:37 UTC

Total installs571

90d growth—— over 90d

Community rating—Reviews unavailable

Latest version1.0.13Updated Oct 21, 2026

9 calculable days · 0 without calculable growth.

OPEN VSX

Downloads growth

Last snapshot: Nov 4, 2026, 23:00 UTC

Total downloads4.8K

90d growth—— over 90d

Community rating—0 reviews

Latest version1.0.13Updated Oct 21, 2026

9 calculable days · 0 without calculable growth.

Search & category rankings

Categories ranked by installs on Marketplace and downloads on Open VSX.

Term	Marketplace	Open VSX
javaKeyword · 2026-11-04 23:10 UTC	No observed result	#265 of 490 0 1d↓4 7d
securityKeyword · 2026-11-04 23:12 UTC	No observed result	#474 of 511 ↓4 1d↓20 7d
LintersCategory · 2026-11-04 23:09 UTC	No observed result	#692 of 2,240 ↓1 1d↓7 7d

Checked daily for up to 1,000 results per term. Changes appear when historical data is available.