v8.12.4

What's Changed

• chore: 2025 by @wjhsf in #5100
• Fix aria null values by @jhefferman-sfdc in #5097
• perf(ssr): remove filterProperties by @nolanlawson in #5101
• docs: add ARCHITECTURE.md by @nolanlawson in #5090
• fix(ssr): fix adjacent text node concatenation by @nolanlawson in #5079
• docs: fix mistakes in ARCHITECTURE.md by @nolanlawson in #5103
• chore(eslint): disallow fdescribe/fit by @nolanlawson in #5107
• fix(signals): avoid throwing when in check throws by @nolanlawson in #5105
• fix(ssr): avoid reserved keyword collision by @nolanlawson in #5108
• chore: release v8.12.4 by @nolanlawson in #5111
• chore: release v8.12.4 by @nolanlawson in #5112

Full Changelog: v8.12.3...v8.12.4