This started after upgrading to big sur, however not instantly. First tim was a week ago and I'm on big sur for a while now.What am I looking for when reading this crash report?
Path:									/Applications/Safari.app/Contents/MacOS/Safari
Identifier:						com.apple.Safari
Version:							 14.0.2 (16610.3.7.1.9)
Build Info:						WebBrowser-7610003007001009~1
Code Type:						 X86-64 (Native)
Parent Process:				??? [1]
Responsible:					 Safari [32068]
User ID:							 501
Date/Time:						 2020-12-27 13:11:33.277 +0100
OS Version:						macOS 11.1 (20C69)
Report Version:				12
Bridge OS Version:		 5.1 (18P3030)
Anonymous UUID:			 ...
Sleep/Wake UUID:			 ...
Time Awake Since Boot: 270000 seconds
Time Since Wake:			 40 seconds
System Integrity Protection: enabled
Crashed Thread:				0	Dispatch queue: com.apple.main-thread
Exception Type:				EXC_CRASH (SIGKILL)
Exception Codes:			 0x0000000000000000, 0x0000000000000000
Exception Note:				EXC_CORPSE_NOTIFY
Termination Reason:		Namespace ASSERTIOND, Code 0xd00d2bad
Application Specific Information:
Enabled App Extensions:
com.duckduckgo.macos.PrivacyEssentials.SafariAppExtension (HKE973VLUW) (Version: 14 - Display Version: 1.4.3) Privacy Dashboard
com.adguard.safari.AdGuard.Extension (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Safari Icon
org.zotero.SafariExtensionApp.SafariExtension-beta (8LAYR367YV) (Version: 1 - Display Version: 5.0.66) Zotero Connector
com.grammarly.safari.extension.ext (W8F64X92K3) (Version: 16.0.163348 - Display Version: 9.22) Grammarly for Safari
org.darkreader.DarkReaderSafari.DarkReader (AK3AHFRYSK) (Version: 15 - Display Version: 1.4.2) Dark Reader
com.sweetpproductions.SessionRestore.Extension (U928YCMMNK) (Version: 1.5.24 - Display Version: 2.3) SessionRestore Extension
com.ghostery.lite.safariExtension (HPY23A294X) (Version: 16 - Display Version: 1.1.0) Ghostery Lite Safari Extension
com.adguard.safari.AdGuard.AdvancedBlocking (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Advanced Blocking
Enabled Content Blockers:
com.ghostery.lite.contentBlocker (HPY23A294X) (Version: 16 - Display Version: 1.1.0) Ghostery Lite Content Blocker - Privacy Filters
com.ghostery.lite.contentBlockerNetwork (HPY23A294X) (Version: 16 - Display Version: 1.1.0) Ghostery Lite Content Blocker - Network Filters
com.adguard.safari.AdGuard.BlockerOther (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Other
com.adguard.safari.AdGuard.BlockerPrivacy (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Privacy
com.adguard.safari.AdGuard.BlockerExtension (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard General
com.adguard.safari.AdGuard.BlockerSocial (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Social
com.adguard.safari.AdGuard.BlockerSecurity (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Security
com.adguard.safari.AdGuard.BlockerCustom (TC3Q7MAJXF) (Version: 48 - Display Version: 1.8.10) AdGuard Custom
com.duckduckgo.macos.PrivacyEssentials.ContentBlockerExtension (HKE973VLUW) (Version: 14 - Display Version: 1.4.3) Privacy Protection
com.ghostery.lite.contentBlockerCosmetic (HPY23A294X) (Version: 16 - Display Version: 1.1.0) Ghostery Lite Content Blocker - Cosmetic Filters
...