chore(master): release 6.0.0

[github-actions]

🤖 I have created a release beep boop

6.0.0 (2025-10-30)

⚠ BREAKING CHANGES

• nrf connect sdk v3.0.1 (#84)
• bump nrf sdk support from v2.6.2 to v2.9.1 (#56)
• bump to ncs 2.6.1 (CEL-138) (#42)
• tfm reference implementation flash usage optimization (#32)
• 🧨 nrf-sdk main branch is used. When v2.5 is released a tag/release for nrf-softsim is created. For now this pin to latest dev. can break your current setup.
• 🧨 ALL PREVIOS DEPLOYMENTS WILL NOT BE COMPATIBLE WITH THE LIBSTORAGE.a AND NEW PROFILE!
• NCS 2.4 integration (#1)
• Use KMU for authentication and key management.

Features

• 🎸 Bump NCS version to latest (#9) (b0a25ad)
• 🎸 Follow nrf-sdk main branch as default (711615c)
• 🎸 Switch profile to compact storage (b382ecb)
• 🎸 Wow a meaningful commit (#9) (e03cb18)
• add missed Zephyr compatible asserts (09be236)
• Add support for dynamic template (#4) (ddfac8a)
• add support for static profile (#3) (aca75ad)
• Additional features for provisioning and init bootstrap (8eb3289)
• bump nrf sdk support from v2.6.2 to v2.9.1 (#56) (a393f70)
• bump to ncs 2.6.1 (CEL-138) (#42) (4d0e56b)
• make asserts Zephyr compatible (#12) (bfc607b)
• NCS 2.4 integration (#1) (dfb7864)
• nrf connect sdk v3.0.1 (#84) (1a17c3a)
• optimize FLASH and RAM (a92db60)
• optimize FLASH and RAM (#80) (22efbbe)
• tfm reference implementation flash usage optimization (#32) (00576ac)
• Use KMU for authentication and key management. (ffb197a)

Bug Fixes

• 🐛 Add return code to provision (8eb3289)
• 🐛 Fixed issue where SoftSIM re-init would fail (5df72b4)
• 🐛 Heap corrupted by de-initializing softsim many times (00bcdab)
• address compilation warning for main return (1a348e8)
• address provision check inconsistencies (9a28958)
• auto append softsim overlay fragment to the samples (#36) (e8230c7)
• Bug/fix padding in cmac ota (#5) (830259d)
• disable TFM logs to reduce PSM Sleep Current (c202fe4)
• failed to open a persistent key, ERR: -140 (#99) (bcb0676)
• improve support for Thingy91 (#50) (f7cc739)
• remove the fixed 190 character profile size (#61) (2eaa8e0)
• samples: change TCP to UDP (49c9974)
• softsim filename updates (#44) (ac91364)

Performance Improvements

• ⚡️ Recompile w. -Os over -O2/3 (5319011)

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