0.12.7

Features:

• Add new offline caching options to persist envelopes locally: sentry_options_set_cache_keep, sentry_options_set_cache_max_items, sentry_options_set_cache_max_size, and sentry_options_set_cache_max_age. (#1490, #1493)

Fixes:

• Remove spurious decref in sentry_capture_user_feedback() (#1510)
• Prevent double-decref of event in envelope add functions (#1511)