v1.4.21

What's Changed

• Windows test branch for validating backport by @vakalapa in #1254
• fix: [NPM] trim logs & fix bug where restore file wasn't updated on failure by @huntergregory in #1253
• feat: [NPM] lazy delete ipsets by @huntergregory in #1252
• [NPM] Fixing netpol translation issues with extended cyclonus by @vakalapa in #1261
• [NPM] Adding a SCTP exclusion increasing tests to 214 in cyclonus by @vakalapa in #1240
• [NPM] Generate TLS certificates during docker build and bake into image for gRPC secure channels by @nitishm in #1262
• test: [NPM] Stress Testing & Fix Conformance Logs by @huntergregory in #1264
• feat: [NPM] include NPM v1/v2 in telemetry and fix heartbeat log by @huntergregory in #1266
• [CNI] Return retriable error for transient errors by @tamilmani1989 in #1267
• pass the populated IPTables opts instead of overwriting with empty map by @rbtr in #1269
• Windows CNI to ignore removenamespaceendpoint error by @tamilmani1989 in #1272
• feat: wrap a histogram around syncHostNCVersion by @paulgmiller in #1273
• vendor: bump github.com/spf13/cobra from 1.3.0 to 1.4.0 by @dependabot in #1276
• vendor: bump google.golang.org/grpc from 1.44.0 to 1.45.0 by @dependabot in #1274
• NPM build with CGO enabled and temporarily disable swift e2e by @matmerr in #1275

Full Changelog: v1.4.20...v1.4.21