Did you check for errors with the browser dev tool? Never mind, the web UI is probably blocked by api calls, due to the scans Jakob quoted:
goroutine 746 [chan receive, 17 minutes]:
github.com/syncthing/syncthing/lib/model.(*folder).doInSync(0xc0010bf880, 0xc00b398240, 0xcb6c60, 0xc000e77530)
github.com/syncthing/syncthing/lib/model/folder.go:278 +0x145
github.com/syncthing/syncthing/lib/model.(*folder).Scan(0xc0010bf880, 0x0, 0x0, 0x0, 0x0, 0x0)
github.com/syncthing/syncthing/lib/model/folder.go:265 +0xa9
github.com/syncthing/syncthing/lib/model.(*model).SetIgnores(0xc0000681a0, 0xc000745e5d, 0xb, 0xc003bd1dc0, 0x1, 0x4, 0x0, 0x0)
github.com/syncthing/syncthing/lib/model/model.go:2083 +0x5af
github.com/syncthing/syncthing/lib/api.(*service).postDBIgnores(0xc00007ec80, 0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:1340 +0x216
net/http.HandlerFunc.ServeHTTP(0xc003351710, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/julienschmidt/httprouter.(*Router).Handler.func1(0x1140500, 0xc0025ca700, 0xc00c664100, 0x0, 0x0, 0x0)
github.com/julienschmidt/httprouter@v1.3.0/router.go:275 +0x1e7
github.com/julienschmidt/httprouter.(*Router).ServeHTTP(0xc000b7bc20, 0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/julienschmidt/httprouter@v1.3.0/router.go:387 +0xc7e
github.com/syncthing/syncthing/lib/api.metricsMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:579 +0x11d
net/http.HandlerFunc.ServeHTTP(0xc003d84498, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/syncthing/syncthing/lib/api.noCacheMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:602 +0x3f3
net/http.HandlerFunc.ServeHTTP(0xc003d844b0, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
net/http.(*ServeMux).ServeHTTP(0xc003324900, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2428 +0x1b7
github.com/syncthing/syncthing/lib/api.(*csrfManager).ServeHTTP(0xc003aab080, 0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api_csrf.go:99 +0x1bf
github.com/syncthing/syncthing/lib/api.withDetailsMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:610 +0x2d3
net/http.HandlerFunc.ServeHTTP(0xc0033249c0, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/syncthing/syncthing/lib/api.basicAuthAndSessionMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api_auth.go:56 +0xad4
net/http.HandlerFunc.ServeHTTP(0xc000f10e00, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/syncthing/syncthing/lib/api.redirectToHTTPSMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:592 +0x122
net/http.HandlerFunc.ServeHTTP(0xc003d844f8, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/syncthing/syncthing/lib/api.corsMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:571 +0x291
net/http.HandlerFunc.ServeHTTP(0xc0024719e0, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
github.com/syncthing/syncthing/lib/api.debugMiddleware.func1(0x1140500, 0xc0025ca700, 0xc00c664100)
github.com/syncthing/syncthing/lib/api/api.go:499 +0xae
net/http.HandlerFunc.ServeHTTP(0xc003d84510, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2049 +0x4b
net/http.serverHandler.ServeHTTP(0xc0048f4700, 0x1140500, 0xc0025ca700, 0xc00c664100)
net/http/server.go:2867 +0xaa
net/http.(*conn).serve(0xc0001b86e0, 0x11436e0, 0xc000c81ac0)
net/http/server.go:1932 +0x8cd
created by net/http.(*Server).Serve
net/http/server.go:2993 +0x3b8
Maybe we shouldn’t wait on scans in SetIgnores
, just schedule one. Proposed that here: lib/model: Do not wait for scan when setting ignores by imsodin · Pull Request #7891 · syncthing/syncthing · GitHub</ti